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Storage magazine Online December 2011 -- Six Hot Storage Technologies for 2012

Storage magazine Online December 2011 -- Six Hot Storage Technologies for 2012




Mobile backup: There’s an app for that
Users may be carrying a significant amount of their company’s intellectual property on their smartphones, tablets and other ultraportable devices -- and that data needs to be protected.
Quality Awards: Big and small Quantum tape libraries lead the field
After finishing well but never winning in past Quality Awards surveys, Quantum tape libraries romped through both the enterprise and midrange categories this time around.
Hot storage technologies for 2012
These six cutting-edge storage technologies are ready for prime time, and can help transform your data center.
4 Gig FC, 1 Gig Ethernet dominate storage networking
In our latest Snapshot survey, a majority of respondents use networked storage. But the number of firms already using 10 Gbps Ethernet and 8 Gbps Fibre Channel may be surprising.

Replication technology for day-to-day recovery
It’s not just for disaster recovery anymore: Replication technology is finding a place in the more common, but just as crucial, recovery of systems and data in ordinary operations.
Determining the real cost of storage
Vendors tout dollars per gigabyte per I/O, but figuring out what a data storage system will really cost your company is a much more complicated process.
Occupy Storage!
Data storage technologies keep getting better, but storage vendors may just be up to their old tricks.
“Big data” conspiracy theories abound
Could the latest and greatest buzzword in the storage biz be killing off some of the most useful storage technologies around?



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    Storage magazine Online December 2011 -- Six Hot Storage Technologies for 2012  Storage magazine Online December 2011 -- Six Hot Storage Technologies for 2012 Document Transcript

    • MOBILE BACKUP: THERE’S AN APP FOR THAT • TAPE LIBRARIES RATEDManaging the information that drives the enterpriseSTORAGE Vol. 10 No. 10 December 2011Hot Technologies for 2012We list six hot storage techs that are hereand ready to transform your data center. ALSO INSIDE “Big data” conspiracy theories Occupy Storage! Replicate and recover How much does your storage really cost? Fibre Channel still tops networking list
    • FROM OUR SPONSORS enterprise
    • STORAGE 6 inside | december 2011 “Big data” conspiracy theories abound EDITORIAL Could the latest and greatest buzzword in the storage business be killing off some of the most useful storage technologies around? by RICH CASTAGNA Occupy Storage! 9 STORAGE REVOLUTION Data storage technologies keep getting better, but it looks like storage vendors are just up to their old tricks again. by JON TOIGO Hot storage technologies for 2012 13 These six data storage technologies are ready for prime time, and can help you transform your data center. by ANDREW BURTON, RICH CASTAGNA, TODD ERICKSON, JOHN HILLIARD, RACHEL KOSSMAN, SONIA LELII, ELLEN O’BRIEN, DAVE RAFFO, FRANCESCA SALES, CAROL SLIWA, SUE TROY Mobile backup: There’s an app for that 30 Users may be carrying a significant amount of their company’s intellectual property on their smartphones, tablets and other ultra- portable devices—and that data needs to be protected. by PHIL GOODWIN Quality Awards: Big and small Quantum tape libraries lead the field 40 After finishing well but never winning in past Quality Awards surveys, Quantum’s tape libraries romped through both the enterprise and midrange categories in our sixth service and reliability survey. by RICH CASTAGNA Replication technology for day-to-day recovery 54 HOT SPOTS It’s not just for disaster recovery anymore: Replication technology is finding a place in the more common, but just as crucial, recovery of systems and data in ordinary operations. by LAUREN WHITEHOUSE Determining the real cost of storage 58 READ/WRITE Vendors tout dollars per gigabyte per I/O, but figuring out what a data storage system will really cost your company is a much more complicated process. by JEFF BOLES 4 Gig FC, 1 Gig Ethernet dominate storage networking 62 SNAPSHOT In our latest Snapshot survey, a majority of respondents use networked storage. But the number of companies already using 10 Gbps Ethernet and 8 Gbps Fibre Channel may be surprising. by RICH CASTAGNA From our sponsors 64 Useful links from our sponsors.4 STORAGE December 2011
    • server roomsthat requireGPs NaviGatioN. soLveD. We get that virtualization can drive a better ROI. Highly certified by Microsoft, VMware, HP and others, we can evaluate, design and implement the right solution for you. We’ll get you out of this mess at CDW.com/virtualization©2011 CDW LLC. CDW®, CDW•G® and PeOPLe WHO Get It™ are trademarks of CDW LLC.
    • editorial | rich castagna “Big data” conspiracy theories abound i Could the latest and greatest buzzword in the storage biz be killing off some of the most useful storage technologies around? The “Big Data” ’VE GONE OFF about this “big data” thing on more than one occasion, about conspiracy how it’s mostly marketing hype that vendors hope to turn into sales. But the whole deal is starting to give me the creeps, and it’s not just becauseOccupy Storage! the phrase “big data” is being burned into our collective cerebrum with astonishing efficiency. I’m still struggling with the idea that there’s a solution appropriate for pro- Hot techs for 2012 cessing big files like high-def digital movies and lots of small files like tweets. Given the number of vendors already piled onto the big data bandwagon, it seems like there are dozens of these so-called solutions floating around. SoMobile backup I have trouble getting over that big data hump because any term that refers to completely opposite things simultaneously is questionable in my book.Quality Awards: I’m not just on a semantical jag here. The big data specter goes deeper Tape libraries than that. If you can look past its dual personality, a pretty clever play for corporate egos is at work here: “Of course our data is big; we wouldn’t want it if it weren’t!” It’s an emotional ploy that feeds into the kind of self-impor- Replicate and recover tance that says everything we do/say/create is important and should be kept/mined/analyzed. Big is beautiful, and our data is bigger than yours. Here comes the conspiracy theory part. Why is it that so many companiesHow much does storage cost? today are awash in big data (if they really are)? Sure, there are a lot more ways of creating stuff than before, and everybody seems to be walking around with a data-creating machine in each pocket, but all of a sudden FC tops we have to figure out what to do with the stuff. Not too long ago, a fewnetworking list startups appeared with products—rudimentary maybe, but real products— that could help us pore through all the stuff we stored to determine what’s Sponsor worth keeping and what needs to be deep-sixed. Those data classification resources products had a lot of promise; they came from companies such as Abrevity, Arkivio, FileTek, StoredIQ and Kazeon, and it looked like they would be the cornerstones of storage management operations from tiering to archiving. 6 Copyright 2011, TechTarget. No part of this publication may be transmitted or reproduced in any form, or by any means, without permission in writing from the publisher. For permissions or reprint information, please contact Mike Kelly, VP and Group Publisher (mkelly@techtarget.com). Storage May 2010
    • STORAGE The premise was simple: You have to know what you’ve got before you de- cide what you need to do with it. Maybe it’s too simple. If users get a better grip on what they’re storing and what they shouldn’t be storing, they might—gasp!—buy less storage. So it wasn’t a big surprise that most of those classification vendors disappeared, some simply into the ether and others into the portfolios of (guess who?) storage vendors, where, for the most part, they’ve just withered away. Apparently, knowing what to keep and what to chuck is a little If users get a better threatening if your company sells The “Big Data” the storage to stash all that stuff grip on what they’re conspiracy on. With those pesky data classifi- storing and what they cation apps out of the way, users shouldn’t be storing, could get back to doing what theyOccupy Storage! always do, amassing untold heaps they might—gasp!— of data and buying more disk to buy less storage. Hot techs for 2012 store it. So now you have big data and it’s a big problem, and vendors are all too happy to help. They have big data storage systems and can supply state-of-Mobile backup the-art big data processing tools so that firms like yours can crunch through the piles of data you’ve been encouraged to keep. And as you plow throughQuality Awards: the knee-high drifts of data, you’ll probably determine your employees Tape libraries spend too much time tweeting, updating their Facebook pages and using the SAN to save photos of their kids. And you’re left to wonder why you’re keeping it all. Replicate and recover But data classification isn’t the only technology casualty of the big data juggernaut. A couple of years ago there was buzz around the arrival of a few products that promised to cut our primary data storage down toHow much does size using deduplication and compression. But the two leading startups storage cost? were scooped up by megavendors, and now primary dedupe and compres- sion sit like a couple of old boxcars on an abandoned railroad siding. FC tops And while you’re still reeling from the big data drubbing you’re gettingnetworking list from vendors, watch out for the cloud haymaker they’re about to land. Because cloud storage is perfect for big data, right? And buzzwords tend Sponsor to get lonely if they’re left on their own. 2 resources Rich Castagna (rcastagna@storagemagazine.com) is editorial director of the Storage Media Group. * Click here for a sneak peek at what’s coming up in the January 2012 issue. 7 STORAGE December 2011
    • storage revolutIOn | jon toigo Occupy Storage! i Data storage technologies keep getting better, but storage vendors may just be up to their old tricks. T SEEMS SOMEHOW STRANGE to be publishing my inaugural column in Storage magazine’s last issue of 2011. So much ink has already seen paper (or pixels The “Big Data” have been seen on screens) over the last 11 months: articles and columns conspiracy expressing findings, theories and opinions about the value and benefits of, or limitations and challenges posed by, contemporary data storage productsOccupy Storage! and the way we use them today. The situation sets the bar pretty high for another voice entering the fray to contribute something that will add real value to the discussion already in progress. Hot techs Equally disconcerting is the fact for 2012 that I’m writing this column in a I thank you, readers, hotel room in Newton, Mass., notMobile backup far from the Hopkinton home of for indulging me with the storage hardware market some of your time and share leader, EMC. Anyone familiarQuality Awards: with my work knows my views, I promise to try not to Tape libraries which tend to be quite critical waste any of it. of both EMC’s products and their Replicate marketing and sales techniques. These views largely pre-date the burgeoning and recover “gilded age” of storage in which a handful of behemoth vendors have gobbled up most of the smaller fry, reducing the options available toHow much does consumers for solving storage challenges in the process. I’ve had other storage cost? axes to grind with Hopkinton over my 30-year-plus career in IT, and have been open and vociferous in expressing my views. Frankly, I was surprised FC tops and intrigued to be offered a column in this magazine under the circum-networking list stances since the advertising revenue that keeps the publication afloat comes from precisely those vendors with whose products I so frequently Sponsor find fault. resources All of the above notwithstanding, I thank you, readers, for indulging me with some of your time and I promise to try not to waste any of it. I under- stand the challenges that most of you are facing. You’re shouldering the work of what used to be many, tasked with delivering ever higher service 9 STORAGE December 2011
    • STORAGE levels to your businesses with ever shrinking budgets, and at the same time endeavoring to wrangle a bunch of disparate storage technologies into some sort of coherent and manageable resource. I read recently that more than a trillion transactions traverse the wires, cables and wireless spectrum of a medium-sized business data center every day. Those are a trillion miracles—photons, electrons and radio waves that successfully complete round trips across the most hostile environ- With the advent of ments imaginable, carrying requests for data and returning responses to the new gilded age, The “Big Data” conspiracy users and applications—and you are we’re seeing vendors the miracle workers who make them return to old tricks, happen.Occupy Storage! Of course, there’s no recognition like isolating value- of this and no time to rest on one’s add functionality laurels even if you were recognized. Hot techs Truth be told, life is hard in storage on array controllers for 2012 land and it’s about to get a lot harder. where it can be With the advent of the new gilded used to lock inMobile backup age, we’re seeing vendors return to old tricks, like isolating value-add consumers andQuality Awards: functionality on array controllers lock out competitors. Tape libraries where it can be used to lock in con- sumers and lock out competitors. In general, this design approach has limited merit because it inhibits cross-platform manageability, increases Replicate and recover data routing complexity, drives up the cost of commodity array compo- nents, adds what are usually obscene software licensing costs to the kit, and introduces greater risk of failure into the data center environment.How much does Embedded value-add software, vendor engineers have told me, is usually storage cost? poorly validated because the interoperability test matrix is simply too complex and time consuming to undertake and complete. Thus, it should FC tops come as little surprise that the 3,000 companies polled by CA Technologiesnetworking list earlier this year reported they had accrued more than 127 million hours of downtime last year, partly due to storage-related outages (The Avoidable Sponsor Cost of Downtime, May 2011, CA Technologies). resources And, in this gilded age, it goes without saying that a proper behemoth storage vendor must also offer a “cloud architecture.” Using proprietary hardware/software stacks, each one is seeking to advance its own main- frame “mini-me” that combines a server hypervisor with a set of network 10 STORAGE December 2011
    • STORAGE protocols supported only by the vendor’s own switches and its “signature” value-add storage gear to deliver the ultimate “one-stop-shop.” They have enlisted analysts to preach the gospel of “single source” again. One For- rester analyst recently wrote that buying all technology from one vendor is “the only real way” to drive cost out of storage. That couldn’t be further from the truth, but it’s the mantra vendors are humming into the receptive ears of non-technical decision-makers in the front office of every firm I visit today. Many pine for the orderliness of the IBM mainframe data center of the 1970s while forgetting how the loss of leverage over a vendor trans- lated to extraordinary capital costs in hardware and software, and delays The “Big Data” in obtaining needed fixes and changes to products. We’ve forgotten the conspiracy lessons of the past and are poised to repeat them. Or maybe not. I intend to occupy this corner of Storage, the magazine,Occupy Storage! for the foreseeable future, and I invite everyone who’s interested to bring a tent, sleeping bag and their favorite storage issues so we can start an entirely new discussion: one about fixing the broken storage model before Hot techs for 2012 it fixes us. This gilded age promises to benefit the 1% of companies that still have deep pockets and unlimited budgets for buying storage. The other 99% need to start exploring viable alternatives. 2Mobile backup Jon William Toigo is a 30-year IT veteran. He is CEO and managing principal of Toigo Partners International, and chairman of the Data Management Institute.Quality Awards: Tape libraries Replicate and recoverHow much does storage cost? FC topsnetworking list Sponsor resources 11 STORAGE December 2011
    • Switch to single-platform Simpana® software for truly modern data and information management. Year after year, some companies stick with legacy data computing, and smooth adaptation to challenges like data protection software not designed to handle today’s IT center consolidation and eDiscovery requirements. realities. The result? Business at risk, frustrated users, The result? Up to 50% reduction in storage-related out-of-control costs, and compromised business agility. costs, and a far simpler, saner way to manage, access, In a word, insanity. and recover business information. In a word, oneness. With its revolutionary single-platform architecture, To learn how you can do far more with less and add real Simpana software enables you to solve these problems value to your end users and your business with Simpana right now and far into the future. It will lower operational, software, visit AchieveOneness.com or call 888-311-0365. labor, and infrastructure costs, streamline integration of new technologies like virtualization and cloudBackup & Recovery Archive Virtual Server Protection Information Governance Deduplication Disaster Recovery Search©1999-2011 CommVault Systems, Inc. All rights reserved. CommVault, the “CV” logo, Solving Forward, Simpana, and AchieveOneness are trademarks or registered trademarks of CommVaultSystems, Inc. All specifications are subject to change without notice.
    • HOT STORAGE The “Big Data” conspiracy TECHNOLOGIESOccupy Storage! Hot techs for 2012 for 2012Mobile backup These six cutting-edge storage technologies are ready for prime time, and can helpQuality Awards: Tape libraries transform your data center. Replicate and recoverHow much does storage cost? FC topsnetworking list Sponsor resources 13 w BY ANDREW BURTON, RICH CASTAGNA, TODD ERICKSON, JOHN HILLIARD, RACHEL KOSSMAN, SONIA LELII, ELLEN O’BRIEN, DAVE RAFFO, FRANCESCA SALES, CAROL SLIWA, SUE TROY HAT MAKES A storage technology “hot”? In our book, anything new that makes storing your company’s data a faster, better or more efficient process is worthy of the “hot” label. But it must also represent a new approach to dealing with nagging issues. Essentially, it has to be the answer to the question, “If they can send a man to the moon, why can’t they . . .?” We found six technologies that can store massive amounts of data effortlessly, perform at lightning speeds, turn old assets like tape and server disks into something new, and put the cloud within reach of enterprise data centers. STORAGE December 2011
    • STORAGE As usual, our hot techs mix equal parts of cutting-edge cool and practi- cality. Object-based storage throws out tradition and replaces file systems with a simplified flat-file approach to managing data. Linear Tape File System goes the other way and adds a file system to tapes to make them look like disks. Both are timely arrivals on a storage scene that’s begin- ning to buckle under the weight of too much data. With multi-level cell (MLC) flash storage the medium is the message as rapidly developing With multi-level cell technologies have turned this (MLC) flash storage the relatively inexpensive type The “Big Data” of solid-state storage into an medium is the message conspiracy enterprise mainstay. But even as as rapidly developing flash hogs the headlines, server- technologies have based storage is making a come-Occupy Storage! back with innovative ways to turned this relatively share directly attached assets. inexpensive type of Hot techs for 2012 Last year we predicted that solid-state storage into cloud storage services would emerge, but this year we’re an enterprise mainstay.Mobile backup putting a finer point on that prediction and singling out two technologies that will make it easy to inte- grate on-premises systems with cloud-based storage resources that essen-Quality Awards: Tape libraries tially treat the cloud as just another tier. Replicate and recoverHow much does storage cost? FC topsnetworking list Sponsor resources 1 OBJECT-BASED STORAGE Network-attached storage (NAS) isn’t the only way to handle file storage. It’s not even always the best way. Object-based storage systems are gaining a lot of attention and starting to make inroads as an alternative to scale-out NAS. Object storage has unlimited scalability, is less reliant on processing and high-speed networks, and is a fundamental building block of public and private cloud storage. But it’s not perfect. Object storage generally isn’t a high-performance technology and it lacks the standardization of file systems, making it tougher to move from one vendor’s object storage system to another. It’s also poorly suited to data that frequently changes, and often eats up more storage capacity than traditional data storage. But the technology makes it possible to archive huge datastores cheaper, with less power and within a smaller footprint than high-performance NAS. 14 STORAGE December 2011
    • STORAGE Object storage uses unique identifiers to access data instead of physical addresses. The data is accessed based on the name and unique ID; the storage system reads the metadata and object ID. There’s no need for a single global namespace, cache coherency or high-speed networks. Object storage products are sold by a mix of established vendors and innovative startups. Products from established vendors include EMC Atmos, DataDirect Networks Web Object Scaler (WOS), Dell DX Object Storage, NetApp StorageGrid and Rackspace OpenStack. Products from startups include Amplidata AmpliStor, Basho Riak, Caringo CAStor, Cleversafe Slicestor, Mezeo Cloud Storage and Scality Ring. “Objects let you have a shared-nothing architecture “Objects let you have The “Big Data” where every node and controller conspiracy mechanism doesn’t have to a shared-nothing archi- know where every piece of data tecture where everyOccupy Storage! resides,” said Andrew Reichman, node and controller principal analyst at Cambridge, Mass.-based Forrester Research. mechanism doesn’t Hot techs for 2012 “You can scale bigger for cheaper. have to know where As we talk more and more about every piece of data massive multi-petabyte reposi-Mobile backup tories of data, that scalability resides. You can scale gets relevant.” bigger for cheaper.” Object storage’s characteris- —ANDREW REICHMAN,Quality Awards: tics—particularly its scalability, principal analyst, Forrester Research Tape libraries location independence and accessibility via HTTP—make it well suited for storage clouds. The metadata Replicate and recover allows administrators to apply rules that can deliver built-in multi-tenancy, encryption and chargeback. Amazon Simple Storage Service (S3), Microsoft Azure and Nirvanix Cloud Storage are storage clouds based on object storage.How much does Other uses for object storage include archiving (particularly medical storage cost? images) and file storage that scales to multiple petabytes. The École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland turned FC tops to Amplidata to help digitize more than 5,000 hours of video archives fromnetworking list the Montreux Jazz Festival dating to 1967. When the project began two years ago, Alexandre Delidais, EPFL’s director of operations, said he couldn’t find a Sponsor disk storage system that met his needs and price point. EPFL bought LTO resources tape and continued to search. Delidais said he was looking for storage that could scale to petabytes with low energy and power consumption, had faster restore times than tape and fit his budget. 15 STORAGE December 2011
    • STORAGE “Nothing was really available with those requirements,” he said. “We couldn’t find a disk-based technology; they were all too costly or used too much energy.” Delidais discovered Amplidata “Not a lot of buyers AmpliStor in late 2010. EPFL bought 1 PB of storage to start, really need hundred- and will split that between two petabyte repositories locations and replicate. Delidais said he’s approximately 20% now. But it seems to me through his digitization project. the long-term outlook The “Big Data” conspiracy Of course, there still aren’t will be object storage.” that many multi-petabyte stor- —ANDREW REICHMAN, age implementations, so object principal analyst, Forrester ResearchOccupy Storage! storage isn’t yet mainstream. “Not a lot of buyers really need hundred-petabyte repositories now,” Forrester Research’s Reichman said. “But it seems to me the long-term Hot techs for 2012 outlook will be object storage. It’s a better way to do file storage.”Mobile backupQuality Awards: Tape libraries Replicate and recoverHow much does storage cost? 2 MLC FLASH STORAGE The signs are everywhere that MLC NAND flash will continue its upward trajectory next year and officially overtake higher-cost single-level cell (SLC) flash in enterprise systems, ushering in a new era of more affordable solid-state storage. Manufacturers have ramped up production of MLC-based solid-state drives (SSDs), and even major storage vendors that were once hesitant to use them are joining the ranks of earlier adopters such as IBM and Hewlett-Packard (HP) Co. Framingham, Mass.-based IDC predicts that MLC-based drives will command 52% of enterprise solid-state revenue next year and climb to 60% in 2013. FC tops Jeff Janukowicz, research director of solid-state storage at IDC, saidnetworking list MLC-based SSDs have reached a point where they’re better able to handle the read/write mixes that traditional IT requires, thanks to advancements Sponsor in their architectures, algorithms and controllers. resources Online marketplace eBay Inc. turned heads this year with its 100 TB deployment of Nimbus Data Systems Inc.’s S-class solid-state storage, which uses a more industrial-strength flash variant known as enterprise MLC (eMLC). 16 STORAGE December 2011
    • Not quite hot (yet) D GLOBAL BACKUP DEDUPLICATION The experts all say this is a great technology for jacking up dedupe ratios, load balancing and scaling. But two incorrect perceptions have slowed its adoption: it’s only for large- scale environments and you don’t really need it, especially if you use specific targets to back up individual applications such as Microsoft Exchange or SharePoint. Don’t believe it. We think it will become a must-have feature as users build up their dedupe environments. D MOBILE DEVICE BACKUP This may be a technology waiting for the market to materialize. Many backup apps now have mobile backup capabilities, including CommVault’s and Symantec’s, and there are specialized apps from the likes of Copiun and Druva, along with plenty of cloud backup services. But maybe you have higher priorities right now or your users haven’t demanded it, so you’re not going to sweat a few lost laptops. Get a grip; with millions of smartphones The “Big Data” and tablets finding their way into corporate data systems, it’s not going to get any easier conspiracy (see “Mobile backup: There’s an app for that”).Occupy Storage! Hot techs D PRIMARY STORAGE DEDUPLICATION We said it was hot in 2009 and again in 2010, but performance concerns and the contin- uing debate over its usefulness have stolen some of its sizzle. Target deduplication providers have yet to embrace the technology due to concerns over performance for 2012 degradation. And its usefulness in primary storage is still being debated. We thought Dell’s acquisition of Ocarina Networks, IBM grabbing Storwize and Hitachi’s buyout of BlueArc (with its OEM deal with Permabit) would spark interest. Not yet.Mobile backupQuality Awards: Tape libraries D “BIG DATA” Hard to tell if it’s hot or not when we can’t even agree on a definition. Does big data mean humongous files, complex data sets or just the massive amounts of unstructured data organizations deal with? All of the above, it seems, and it’s all great fodder for the hype machine. There are some real products out there and more vendors are gearing up Replicate to release products, but right now it’s still mostly hype. and recoverHow much does storage cost? D BUNDLED STORAGE STACKS It wasn’t hot last year, and it isn’t hot now. Why aren’t they more popular? Follow the money or, more specifically, how much it takes to get one. EMC and Hewlett-Packard offer product bundles with pre-configured storage, server, and networking gear and software. NetApp gives you the directions on what to buy and how to assemble it (put tab A into slot B). Either way, it’s going to cost you. Not many companies can justify the FC topsnetworking list expense and vendor lock-in these days. Sponsor resources D STORAGE FOR VIRTUAL DESKTOP INFRASTRUCTURE (VDI) Virtual desktops promise simplified management, support and security. What they don’t promise is enough return on investment (ROI) when you figure in storage requirements, which can be pretty tough when you’re dealing with hundreds or thousands of desktops. Solid-state storage might be the answer, but it’s a costly solution. 17 STORAGE December 2011
    • STORAGE One of the main distinctions between the different types of flash is endurance. The consensus is that SLC wears out after approximately 100,000 erase/write cycles, eMLC at 30,000 erase/write cycles and MLC at 10,000 or less. But the differentials are becoming less important as the MLC drive and third-party controller vendors make improvements. “These controller manufacturers have found that they can actually watch the flash’s behavior, and as long as they keep track of every single block and how it performs, they can use certain blocks well beyond the 10,000 limit and up into the hundreds of thousands of uses,” said Jim Handy, founder and chief analyst at Object Analysis in Los Gatos, Calif. The “Big Data” Even the erase/write differen- conspiracy tial between eMLC and MLC is “eMLC costs more than starting to become less of anOccupy Storage! advantage, and eMLC doesn’t MLC and it’s slower; appear to be gaining the level and since everybody is of popularity the industry Hot techs buying SSDs for speed, expected, according to Handy. for 2012 “eMLC costs more than MLC a slower solution is a and it’s slower,” he said, “and really tough sell.”Mobile backup since everybody is buying SSDs —JIM HANDY, founder and for speed, a slower solution is chief analyst, Object AnalysisQuality Awards: a really tough sell.” Tape libraries Dan Mulkiewicz, IT director at Carlsbad, Calif.-based High Moon Studios, a division of Activision Blizzard Inc., which produces popular video games such as “World of Warcraft” and “Guitar Hero,” said even the least expensive Replicate and recover MLC SSDs have performed impressively. High Moon started with 10 MLC-based SSDs nearly three years ago in workstations, and soon added another 60 or 70 after application build timesHow much does dropped from 30 or 40 minutes to four minutes. storage cost? “I had to come up with a cheap solution, and we took a chance, and it paid off,” Mulkiewicz said, noting that SLC flash never became a consideration. FC tops He said the failure rate on the workstations’ MLC drives was less thannetworking list 5%, and manufacturer warranties have improved from a year to three years, comparable to that of hard drives. Sponsor So, Mulkiewicz had no qualms using an MLC-based cache from GridIron resources Systems Inc. to address an I/O bottleneck with his VMware server farm. Mulkiewicz was impressed with the dramatic performance boost. In worst-case scenarios, programmers and artists once waited 70 minutes for the code to recompile after they submitted a change. With the MLC- 18 STORAGE December 2011
    • PING drivesinnovation withFluid Data™storage Eric Hart, Network / Infrastructure Manager, PINGStorage designed for virtualization keepscustom golf club maker on par with progress.Visit www.efficientvirtualstorage.com to learn how your organization can drive greaterefficiency and flexibility with Fluid Data storage from Dell. Scan the QR code with your smart phone to see how Fluid Data gives PING the freedom to innovate and grow as a business or visit www.compellent.com/PINGDrivesInnovation.
    • STORAGE based cache, the wait fell to less than 10 minutes. “We’re not only comfortable with [MLC] now,” Mulkiewicz said, “we’re dependent on it.” The “Big Data” conspiracyOccupy Storage! Hot techs 3 LTFS The Linear Tape File System (LTFS) is expected to help usher in a tape renais- sance. It’s the first technology that lets users search for information on tape via a file-tree directory, making the process similar to searching disk storage. Users can drag and drop files to and from a mounted LTFS formatted tape, opening up new possibilities for incorporating tape into workflows and making long-term archival easier. LTO-5, the first tape format to support LTFS, has media parti- tioning so a drive can write two variable-length partitions on Users can drag and drop files to and from a mounted LTFS formatted each tape. One partition has a for 2012 tape, opening up self-contained hierarchical file system index and the second new possibilities forMobile backup holds the content. LTFS presents incorporating tape into a file-structure-type interface for managing the files on tape. workflows and makingQuality Awards: Tape libraries All a user has to do is load the long-term archival easier. tape into a drive and the data can be viewed by a browser or any application that has a tape attached to it. Replicate and recover HP and IBM are the main developers of LTFS software, and the LTFS open standard is supported by the LTO Consortium. HP supports LTFS in HP StoreOpen Automation, while IBM released support for LTFS for librariesHow much does last May with its IBM System Storage LTFS Library Edition. Other companies storage cost? have delivered support for LTFS, such as Crossroads with its StrongBox device and Cache-A offers LTFS capability with its flagship Pro-Cache5, FC tops Power-Cache and Prime-Cache5. In addition, Atempo is now fully compati-networking list ble with the LTFS platform when using Atempo Digital Archive (ADA), a file archiving product. Sponsor LTFS is still in the early adoption phase, with media and entertainment resources as its sweet spot. Robert Smith, founder of 2PopDigital.com, which provides editorial system support for post-production in the media and entertain- ment industry, said LTFS will hit the mainstream when more archiving management software supports the open standard. 20 STORAGE December 2011
    • STORAGE “It will be the catalyst to using LTFS,” he said. “Then you can see what’s on the tape instead of depending on a database that’s telling you by the tape number or barcode. If you have LTFS, you can search for a file the same way you do in a file system. LTFS has lots of benefits in that regard.” Randy Kerns, storage strate- gist at Boulder, Colo.-based Eval- “If you have LTFS, you uator Group, said the media and entertainment industry has the can search for a file the most immediate need for LTFS same way you do in a because of the requirement to file system. LTFS has The “Big Data” transport data more efficiently. conspiracy He said archiving management lots of benefits in that software can be layered on top regard.”Occupy Storage! of LTFS so users can input re- —ROBERT SMITH, founder, 2PopDigital.com tention periods and data access controls—the technology will go mainstream once more archive manage- Hot techs for 2012 ment software supports it. “It’s really a managing archive rather than a collection of backups,” he said. “Companies have another alternative with tape that’s more functional than just doing backups.”Mobile backupQuality Awards: Tape libraries Replicate and recoverHow much does storage cost? FC topsnetworking list 4 CLOUD GATEWAY APPLIANCES Cloud gateway appliances are garnering attention as a great way to intro- duce cloud storage into an organization. These devices are easy to set up and relatively inexpensive, and users can start small and scale up easily. The premise of a cloud gateway is simple: the appliance installs in a data center and acts as a bridge between on-premises storage systems and a cloud storage service. The bridge is required because public cloud storage providers rely on Internet protocols such as REST APIs over HTTP rather than conventional storage-area network (SAN) or NAS protocols. By connecting on-premises storage to the cloud via a gateway, the cloud storage service can seamlessly integrate with existing systems. Although the adoption rate of cloud gateways is still relatively modest, a number of products have been released in the last two years and the Sponsor attention they’ve received, along with their potential to grab market share, resources is what has landed them on our Hot Technologies list. “There’s a huge interest in moving data to the cloud and I don’t think there’s any risk tolerance for user companies to deal with cloud provider APIs,” Forrester Research’s Reichman said. Within the cloud storage market, 21 STORAGE December 2011
    • REPORT CARD: How our predictions for 2011 fared AUTOMATED STORAGE TIERING B You’d be hard-pressed to find a storage vendor that doesn’t offer automated tiering, so we were pretty smart on that count. But users? That’s another story as adoption is a bit slower than we anticipated. DATA REDUCTION IN PRIMARY STORAGE C IBM buys Storwize, Dell buys Ocarina and Permabit OEMs its technol- ogy—a perfect storm for data reduction in primary storage, right? Not exactly. Maybe it’s just the calm before the storm, but it’s taking a long time for this technology to stir things up. VMWARE APIs FOR STORAGE The “Big Data” conspiracy B+ VMware’s concession that storage vendors might be better at manag- ing their products might be the biggest story of the year. Everything about storage for virtual machines (VMs) got easier this year, from configuring to backup.Occupy Storage! B- SCALE-OUT NAS We were probably a year early with this call. There was plenty of talk about scale-out network-attached storage (NAS), but when it Hot techs for 2012 came to actual deployments, not so much. MULTIPROTOCOL STORAGE ARRAYSMobile backup A Hardly any arrays ship these days with support for just block or file; the days of those one-trick ponies are just about gone. Even though NetApp is probably wondering what took us so long to make this prediction, we’ll still give ourselves a pat on the back.Quality Awards: Tape libraries CLOUD STORAGE SERVICES Replicate B+ It just seems like we hear the word “cloud” about a thousand times a day, but the truth is that it became a real factor for enterprise data storage this year. Our surveys show nearly a quarter of you and recover are using some kind of cloud storage service; like Yogi Berra said, “You could look it up.”How much does storage cost? there’s a need for improving local performance, mitigating extra latency FC tops issues and adding security features.networking list “Those are some of the key attributes of cloud gateways that I think will make them big enablers for user companies to use cloud storage,” he said. Sponsor Cloud gateways can be integrated or combined with other products, and resources some vendors have already set up partnerships with backup and storage virtualization vendors; for example, TwinStrata is partnering with Veeam and DataCore, while StorSimple has joined forces with Microsoft. The chal- lenge is that many users are unaware of cloud gateways and their benefits. 22 STORAGE December 2011
    • Up to 85% of computing capacity sits idle in distributed environments. A smarter planet needs smarter infrastructure. Let’s build a smarter planet. ibm.com/dynamicIBM, the IBM logo and ibm.com are trademarks of International Business Machines Corporation, registered in many jurisdictions worldwide.A current list of IBM trademarks is available on the Web at “Copyright and trademark information” at www.ibm.com/legal/copytrade.shtml.
    • STORAGE “I think cloud gateways will find a home eventually as users get more comfortable with cloud storage technology. I see them getting more em- bedded and leveraged as cloud storage appliances,” said Terri McClure, a senior analyst at Milford, Mass.-based Enterprise Strategy Group (ESG). Some industry experts expect data storage vendors will build this tech- nology into their arrays if the concept catches on. That would make it easy for onsite storage systems to treat a cloud storage service as simply another storage tier without having to take an intermediate step. “I think the jury is still out as to whether this should be a fully separate product and a fully separate vendor, or if what we’re really talking about is The “Big Data” a feature of other products,” Forrester Research’s Reichman said. conspiracy Another factor that has slowed acceptance of gateways is that the vendors offering these products are mostly startups.Occupy Storage! “It’s going to take some market education and probably some effective partnering on the part of those smaller vendors to really get their product to be considered by buyers,” Reichman noted. Hot techs for 2012 Taylor Higley, director of information services at the American Federation of Government Employees (AFGE), recently deployed TwinStrata’s Cloud- Array cloud gateway. When asked why he chose a TwinStrata gateway, hisMobile backup answer was simple. “Really, it was the ability to leverage cheap Amazon S3 storage but stillQuality Awards: have the security and reliability of Veeam’s Backup & Replication system,” Tape libraries he said. “TwinStrata was the missing piece to make it all work.” Replicate and recoverHow much does storage cost? FC topsnetworking list Sponsor resources 5 VIRTUAL STORAGE APPLIANCES With server virtualization firmly entrenched in data centers, server-based shared storage is making a significant mark in the form of virtual storage appliances (VSAs). These software-based systems enable the advanced capabilities of server virtualization without expensive, dedicated storage hardware. They run inside a virtual machine (VM) and create shared storage from the storage attached to the physical server a VM runs on. In 2012, we expect to see more companies—especially small- and medium-sized busi- nesses (SMBs)—turning to server-based storage as an inexpensive way to support server virtualization. Virtual storage appliances—such as HP’s StorageWorks P4000 VSA Soft- ware and DataCore’s SANsymphony—have been on the market for a number of years, but VMware Inc.’s rollout of its vSphere Storage Appliance is ex- pected to inject more interest into this tech. vSphere Storage Appliance, 24 STORAGE December 2011
    • STORAGE which is targeted specifically at SMBs, runs across multiple hypervisors, aggregating direct-attached storage (DAS) into pooled storage. “We’re going to see incredible evolution happen inside the virtual infra- structure by . . . vendors like VMware,” said Jeff Boles, senior analyst and director of validation services at Hopkinton, Mass.-based Taneja Group. “And the virtual storage appliance technology coming out for VMware . . . [is] just one more very innovative technology from one of the hypervisor vendors, and storage vendors better be reading between the lines.” Others see VMware as leveraging its skill set in virtualization to broaden its technology’s appeal to more The “Big Data” companies. “I think that VMware conspiracy sees storage as a stumbling “We’re going to see block keeping people from ex- incredible evolutionOccupy Storage! panding their server virtualiza- happen inside the virtual tion capabilities, and to some extent [VMware] has decided to infrastructure by . . . Hot techs for 2012 take it in their own hands to try vendors like VMware.” and fix it,” said George Crump, —JEFF BOLES, senior analyst and director founder and lead analyst at of validation services, Taneja GroupMobile backup Storage Switzerland. Virtual storage appliances make more sense for SMBs because they’re based on iSCSI rather than Fibre Channel (FC).Quality Awards: Tape libraries “You don’t find a whole lot of traditional businesses, traditional enterprises deploying VSAs,” Taneja Group’s Boles said. “If they’re traditional enterprises, [and] they’re doing some private cloud or public cloud stuff, you might find Replicate and recover them deploying [virtual storage appliances] there.” One vendor with a big footprint in the virtual storage appliance market is DataCore, with its SANsymphony-V software, which virtualizes storage acrossHow much does pools of heterogeneous systems, turning commodity servers into SANs. storage cost? Barren County Schools in Glasgow, Ky., turned to SANsymphony-V after a server consolidation project. The IT department had consolidated 30 physical FC tops servers to four running 30 VMware VMs. It then replaced EMC SANs with twonetworking list Dell servers running DataCore software. “[The EMC system] didn’t have the processes, the caching to do some of Sponsor these more advanced features, so [the key] in looking at SANsymphony was resources the fact that they didn’t care what hardware [was used],” said Cary Goode, district technology service specialist at the Barren County Technology Office. Barren’s IT department makes use of DataCore’s high-availability mirroring capabilities, resulting in 10 TB of usable storage in high-availability mode 25 STORAGE December 2011
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    • STORAGE for redundancy. “We can use an entire node because the other node has the exact same data in a live environment,” Goode explained. “To get that out of a hardware system—I can’t even imagine what the price tag on that would be.” INTEGRATED CLOUD BACKUP Cloud backup has been around as a consumer service for years, and it The “Big Data” conspiracyOccupy Storage! Hot techs for 2012Mobile backup 6 makes a good deal of sense—keeping an offsite copy of data is pretty much disaster recovery 101. However, in the enterprise space a number of roadblocks have hindered widespread cloud backup adoption. One of the biggest issues limiting its acceptance was that it required an entirely new backup approach and a cloud-specific backup application. But that’s changing, and a number of major backup software vendors now allow users to back up directly to the cloud. CommVault Systems Inc.’s Simpana lets you back up to any cloud vendor that supports the REST protocol, such as Amazon, Microsoft Azure, Nirvanix or Rackspace. Symantec Corp.’s Backup Exec can back up to Symantec’s cloud, while the firm’s NetBackup has an option to back up to Nirvanix. EMC NetWorker can ship backup data to EMC Atmos-based cloud storage services. “They’re trying to promote thisQuality Awards: Tape libraries whole style of data protection to customers who don’t have a “They’re trying to second site where they might promote this whole Replicate and recover replicate data to,” said Lauren style of data protection Whitehouse, a senior analyst at ESG. to customers whoHow much does storage cost? Cloud integration with tradi- don’t have a second tional backup products allows site where they might users to create onsite disk back- FC tops ups for fast restores, but rather replicate data to.”networking list —LAUREN WHITEHOUSE, senior analyst, ESG than sending copies offsite on tape, they can now easily choose Sponsor the cloud as an alternative for disaster recovery. In the event a large resources amount of data must be restored from the cloud, many services can ship data on an appliance or disk to a customer site. Other users might see it as an archiving tier, sending older data to the cloud for long-term retention. Some data storage managers opt to continue to rely on somewhat 27 STORAGE December 2011
    • STORAGE outdated backup technologies mainly because switching backup products can be complicated. And there may be resistance to new data protection technologies because using them means adding a separate tool with the associated management requirements. But when cloud storage is so tightly integrated with a company’s existing backup application, those apprehensions quickly disappear. The addition of a cloud option to legacy backup tools may be The addition of a cloud just the push that some firms option to legacy backup need to give cloud backup a shot. The “Big Data” Another backup technology— tools may be just the conspiracy continuous data protection push that some firms (CDP)—provides a good analogy. need to give cloud As a standalone product, CDPOccupy Storage! saw little adoption, but when it backup a shot. was integrated with backup soft- Hot techs for 2012 ware products that users were familiar with, it went mainstream. “Backup and long-term retention use cases are good examples of where IT organizations can dip their toe into the cloud pool,” Whitehouse said.Mobile backup “It’s replacing the need to create tapes and ship those tapes offsite.” 2Quality Awards: Tape libraries Replicate and recoverHow much does storage cost? FC topsnetworking list Sponsor resources 28 STORAGE December 2011
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    • MOBILE BACKUP: There’s an app for that The “Big Data” conspiracyOccupy Storage! Hot techs for 2012 Users may be carrying a significant amount ofMobile backup their company’s intellectual property on their smartphones, tablets and other ultraportable fQuality Awards: Tape libraries devices—and that data needs to be protected. BY PHIL GOODWIN Replicate and recoverHow much does storage cost? IRST, A LITTLE MATH. Consider an organization with 5,000 employees, 20% of whom are knowledge-based workers with a reason to have corporate data on their mobile devices. Then assume that each worker is carrying 20 GB of corporate data on FC topsnetworking list their devices. With a simple calculation, we can determine that this hypothetical organization has 20 TB of potentially unprotected data stored on mobile devices. No organization would stand for a 20 TB hole in its data protection strategy Sponsor inside its data center, yet such holes are routinely ignored outside the data center. resources Ironically, the data floating around outside the data center is at even greater risk for loss. It’s easy to see how quickly small amounts of data across large numbers of devices can add up to a significant problem. 30 STORAGE December 2011
    • STORAGE WHAT’S A MOBILE DEVICE? To start addressing the issue of data protection for mobile devices, let’s determine exactly what devices should be included under that term. Laptop PCs would represent the most significant repository of mobile data and, too often, they’re overlooked as containers of valuable corporate data. Rapidly gaining ground as data repositories These devices have are tablets and sophisticated smart- internal flash storage phones, which we’ll refer to as “ultra- portable devices.” These devices have typically ranging The “Big Data” internal flash storage typically ranging from 8 GB to 64 GB, conspiracy from 8 GB to 64 GB, and many have and many have secure digital (SD) card expansionOccupy Storage! slots, providing significantly more secure digital (SD) storage capacity. And you can expect card expansion the capacities of these ultraportable Hot techs devices will continue to expand slots, providing for 2012 dramatically. significantly more Organizations must recognize theMobile backup storage capacity. potential risk these devices represent. Most have well-defined policies thatQuality Awards: prohibit the use of corporate devices for personal tasks. But this line is Tape libraries routinely crossed, whether the nonconforming activity involves personal email, calls, text messages, or document creation or editing. Ultraportable devices make enforcing the line between personal and Replicate and recover business use even more difficult. Users are increasingly employing personal devices they’ve purchased themselves for business-related activities and personal tasks. Examples include iPhones, BlackBerrys and Android-basedHow much does storage cost? smartphones that people use to connect to their business email accounts. iPads and other tablets may also be used to view, send and receive business email using Web browsers, and may be used to edit and store documents. FC tops Sales reps may be able to download price lists, proposal materials and othernetworking list sales documentation using any Web-enabled device. It’s becoming increas- ingly impossible and impractical to prohibit the mingling of personal and Sponsor business use of ultraportable devices. In many cases, it’s a company’s exec- resources utives driving the move to allow tablets to access corporate resources. And if it’s OK for the boss, others won’t be far behind. It’s not unusual for a knowledge-based worker to have a laptop, tablet and a smartphone. Thus, in our earlier fictitious company example, 1,000 31 STORAGE December 2011
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    • STORAGE knowledge workers might be toting around as many as 3,000 devices, all with corporate data stored on them. To deploy a backup solution for this scenario you must address a high volume of devices with low volumes of data per device. Bandwidth is rarely a problem, but deployment, standardi- zation, support and updates make it a challenge. The deployment of ultraportable devices is growing exponentially, so the question is, how can IT managers get out in front and address the issue proactively? The good news is that it may be easier than you might think. The bad news is that it may be more complicated than some think it will be. Let’s dissect the issues and see why this is a good news/bad news issue. The “Big Data” conspiracy YOUR POLICIES MAY NOT BE ENOUGHOccupy Storage! Although organizations generally have clear policies regarding the separation of private and business use of devices, they rarely specify data protection requirements or procedures. Mobile device backup often falls between the Hot techs for 2012 cracks. Backup is the domain of the data storage organization, but PCs are the domain of the end-user computing group, and cell phones are typically within the domain of the telephony or telecomm group. Tablets haven’t foundMobile backup a place in most companies yet, so they may just be the domain of the user. So, the physical asset is managed by one group and the process by another;Quality Awards: neither group assumes ownership. Hence, the first step in establishing a Tape libraries policy is determining who owns the whole operation. In practice, it will require the coordination of all groups. Replicate and recoverHow much does How to get a handle storage cost? on ultraportable backup FC tops 1. Leverage the PC as the central backup platform.networking list 2. Establish a laptop backup strategy. Sponsor 3. Worry about corporate data only, not the entire ultraportable device. resources 4. Standardize the products you’ll support; one-offs are on their own. 5. Consider a specialized cloud provider to take over the whole thing. 33 STORAGE December 2011
    • STORAGE This cross-functional complication is an excellent reason to consider out- sourcing the whole thing to a cloud backup provider. Third-party providers will manage the whole process, including deployment, management and technical support. There may be cases, however, due to security, compli- ance (or corporate governance) or IT’s reluctance to use third-party services, that make outsourcing an unattractive alternative. In those situations, IT must instigate the data protection policy based on business requirements. Backup policies are ordinarily driven by recovery time objectives (RTOs) and recovery point objectives (RPOs). Mobile backup is a bit different and needn’t be as complicated. RPO may not be easy to establish, as it may be The “Big Data” driven by network connectivity, a daily backup schedule or product options. conspiracy The variables of ultraportable device availability make backup timing less certain than an always-on storage array in the data center. InformationOccupy Storage! changes on individual devices aren’t as volatile as data center devices. Therefore, recovery certainty is more Hot techs important than backup timing. More- The essence of a over, a 24-hour RPO is probably a vast for 2012 improvement over the intermittent or mobile backup policy non-existent data protection users is pretty simple:Mobile backup have today. The essence of a mobile backup who, what, whenQuality Awards: policy is pretty simple: who, what, and how. Tape libraries when and how. The “who” can be the user (i.e., user-initiated backups) or system/software control (i.e., pre-scheduled and automatically launched). The “what” is the device, the “when” the back- Replicate and recover up event and the “how” the backup utility. That’s about as complicated as it needs to get for typical applications and users.How much does storage cost? PCs: THE CENTER OF THE MOBILE UNIVERSE To get a handle on ultraportable devices, the first thing to do is to designate FC tops the PC as the center of the mobile universe. Some might argue that tabletsnetworking list are quickly supplanting PCs as a primary device. This may be true for certain tasks, such as Web surfing, video conferencing and even document lookup, Sponsor but tablets still have a long way to go for effective document, spreadsheet resources or presentation creation. Tablets may be great display devices, but PCs remain the go-to platform for document creation. (This article is being written on a PC, while an adjacent iPad plays tunes.) Nobody does any serious document creation on a smartphone and the inherent form factor of those devices 34 STORAGE December 2011
    • STORAGE makes it forever unlikely. The larger size of tablets may allow them to evolve to supplant PC functionality, but for the foreseeable future consider PCs the hub of the mobile world. From an ultraportable perspective, PCs play a key role as the central repository for syncing data with multiple devices. This will most often in- clude calendars, contacts, email and the like. Yes, this data can and often is synced to external servers. However, BlackBerrys may be synced to a Black- Berry server, Exchange to an Exchange server and so on. By using the PC as a central syncing device, the user has one central location to recover data on a self-service basis. The added inherent remote sync gives the best of The “Big Data” both worlds with user self-service and protection from data loss. Moreover, conspiracy if one service experiences an outage, users have a “high-availability” solu- tion from other devices. Not bad for what’s essentially a no-cost solution.Occupy Storage! Placing the PC in this key role expos- es the vulnerability of most PC backup Organizations that strategies or, more accurately, the lack Hot techs of a strategy. Even though they’re well don’t have an auto- for 2012 understood, they’re not necessarily mated laptop backup well protected. Organizations thatMobile backup don’t have an automated laptop backup solution must seri- solution must seriously consider one. ously consider one.Quality Awards: Convenient in-house solutions are Tape libraries available from most name-brand backup vendors, including CommVault, EMC and Symantec, and specialized vendors such as Copiun and Druva. Remote laptop backup is also a perfect application for the cloud, as provided by well- Replicate and recover known vendors such as Asigra, Barracuda Networks, Carbonite, Mozy (EMC) and Norton (Symantec). Cloud-based solutions provide consistent policies across the organization, while minimizing the impact on the IT organization.How much does By using the PC as the central syncing platform, it becomes the backup storage cost? server for the ultraportable devices. In most cases, the sync process is automatic. In this architecture, backing up tablets and smartphones takes FC tops less effort to protect corporate soft assets than one might think.networking list Sponsor DEVICE-SPECIFIC ULTRAPORTABLE BACKUP resources Even though a PC-centric approach will protect the majority of corporate data, the plethora of applications for smartphones and tablets ensures that at least some users will continually push the devices into uses that no one could reasonably anticipate. Consequently, IT organizations shouldn’t over- 35 STORAGE December 2011
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    • STORAGE look the need to back up the devices in addition to syncing them. Let’s start with the easy part of backing up smartphones and tablets. For those devices that use an SD card, or other such storage format, users can remove the card and copy it to a PC. Of course, this requires user disci- pline to do so on a periodic basis. Period reminders from the help desk may be enough to foster the desired behavior. The first thing one will notice when considering ultraportable backup is the fragmented nature of the task. Pictures, videos and music may be backed up to iTunes, Google Picasa or a PC. Application backup may go to Titanium Backup (Android) or the Apple iStore. When looking into the The “Big Data” specifics of these backup applications, one finds that they tend to be very conspiracy use-case specific. Some may back up the Android home screen, for example, while others sync contact and calendar information, and still others backOccupy Storage! up files. Users who are serious about data protection may be forced to use a suite of applications. Hot techs This fragmentation obviously A corporate decision makes backup of ultraportable devices for 2012 more complicated. Even so, it can be to deploy a particular beneficial because IT organizations encryption productMobile backup can tailor solution specifications for corporate data only. User data, such may interfere withQuality Awards: as pictures, music and videos, should user data if it rightly be the responsibility of the Tape libraries user. However, a corporate decision encrypts the to deploy a particular encryption prod- entire device. Replicate and recover uct may interfere with user data if it encrypts the entire device. This may lead users to disable the product, thus defeating the efforts of the IT department.How much does The next thing one will notice when searching for ultraportable backup storage cost? is a shortage of name-brand solutions. Given the tens of millions of ultra- portable devices sold, it would seem to have significant market potential. FC tops Symantec offers a beta version of Norton Connect for iPad/iPhone backupnetworking list in the Apple App Store. The app itself is free, but it requires a Norton Online Backup subscription. Of the other 32 applications for “data backup” in the Sponsor App Store, all are boutique-type solutions that don’t appear to be geared resources toward enterprise deployment. As IT organizations decide how to cope with corporate data on ultra- portable devices, there are many factors to weigh. The first is how to cope with very large device populations, unpredictable connectivity and 37 STORAGE December 2011
    • STORAGE highly individualized environments. Despite these difficulties, best-practice organizations will address the need to protect corporate assets. Cloud- based solutions offer the advantages of offloading the deployment, man- agement and support to specialists. Cloud providers will also be prepared to address the needs of enterprises. For organizations that prefer to architect and manage their own solution, they must first decide which part of the IT organization will own and man- age the solution. In deciding what tools to use, they’ll find that ultramobile backup becomes a stack of its own. By focusing on what data is valuable to the organization, much of the peripheral personal data can be ignored. The “Big Data” The task is to reduce the number of variables to those that count and thus conspiracy make enterprise deployment a manageable process. 2Occupy Storage! Phil Goodwin is a storage consultant and freelance writer. Hot techs for 2012Mobile backupQuality Awards: Tape libraries Replicate and recoverHow much does storage cost? FC topsnetworking list Sponsor resources 38 STORAGE December 2011
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    • The “Big Data” conspiracyOccupy Storage! Hot techs for 2012Mobile backupQuality Awards: BIG and SMALL Quantum tape libraries lead the field After finishing well but never winning in past Quality Awards surveys, Quantum tape libraries romped through both the enterprise and midrange categories this time around. BY RICH CASTAGNA Tape libraries QUANTUM CORP., one of the brand names that helps define the tape Replicate and recover library category, has finished among the top three in three of our previous five Quality Awards surveys for enterprise tape libraries. In the sixth edition of the service and reliability ratings, it breaksHow much does through with an impressive overall win highlighted by a clean sweep storage cost? of the five rating categories. If that wasn’t sweet enough, Quantum also topped the charts among midrange tape libraries, equaling its enterprise feat of five category wins and romping to victory. FC topsnetworking list That’s not to suggest the other product lines represented in the survey were slouches—the average of the overall scores for enterprise products was second to only the last Quality Awards survey, and the midrange Sponsor group’s overall average missed a record by a mere 0.04 points. resources Tape might be playing a diminished or modified role in a lot of storage shops, but based on the consistently high ratings this category receives, we can only conclude the products are more fully featured, easier to use and more reliable than ever. 40 STORAGE December 2011
    • IBM 6.52 Oracle 6.42 Dell 6.38 STORAGE HP 6.18 Sony 6.04 Tandberg 5.43 Overall ratings 0 1 2 3 4 5 6 7 8 ENTERPRISE. Quantum’s overall average of 6.55 Enterprise tape libraries: OVERALL RATINGS outpaced tough competi- tors in IBM (6.37) and Quantum 6.55 Oracle Corp. (6.34). IBM was particularly tena- IBM 6.37 cious, finishing second Oracle 6.34 in three categories and third in the other two. HP 6.21 The “Big Data” Oracle rode one second- 0 1 2 3 4 5 6 7 8 conspiracy place finish and consis- tently strong scores to its third-place finish.Occupy Storage! In winning, Quantum showed particular strength in the initial product quality and technical support categories. It won the other categories Hot techs with smaller but still convincing margins. Coming in second this time, for 2012 IBM maintained its record of always finishing in the top three since the inception of the enterprise tape library Quality Award surveys.Mobile backup MIDRANGE. Quantum bested an even larger Midrange tape libraries: OVERALL RATINGSQuality Awards: field of competitors in Tape libraries the midrange group and Quantum 6.86 won by an even larger IBM 6.52 margin—6.86 to 6.52— Replicate Oracle 6.42 and recover over IBM. As it did in the enterprise group, IBM Dell 6.38 displayed remarkable HP 6.18How much does consistency, adding this storage cost? Sony 6.04 second-place finish to Tandberg 5.43 its four seconds and one 0 1 2 3 4 5 6 7 8 FC tops third in previous surveys.networking list Oracle placed third with a 6.42 that just trailed IBM. Sponsor But Quantum’s mastery of the midrange was clear, with across-the-board resources category wins in the five rating categories and the only above-7.00 cate- gory ratings for product features (7.06) and initial product quality (7.03). In Quantum 6.55 a near replay of the enterprise contest, IBM came in second in four of the five categories, ceding the second spot to Oracle for initial product quality. IBM 6.37 Oracle 6.34 41 STORAGE December 2011 HP 6.21
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    • Enterprise tape libraries: SALES-FORCE COMPETENCE Quantum 6.33 Sales-force IBM 6.21 6.14 competence Oracle HP 5.97 ENTERPRISE. Quantum 0 1 2 3 4 5 6 7 8 sure knows how to start BREAKING DOWN THE NUMBERS out on the right foot with • Quantum’s reps and resellers know their customers’ its users—at least the businesses, as evidenced by its two highest category survey numbers certainly scores: 6.53 for “My sales rep is knowledgeable about suggest that. Quantum my industry” and a 6.39 for “My sales rep understands scored highest on all six my business.” The “Big Data” statements in the sales- • IBM was the only other vendor to score 6.00 or conspiracy higher on all the statements, topped by a 6.34 for force competence cate- “The vendor’s sales support team is knowledgeable.” gory for a total of 6.33, • Oracle just missed an all-6.00-plus score sheet,Occupy Storage! with IBM (6.21) nipping dipping a mere 0.03 below on one statement, but at its heels for each notching a solid 6.27 for having a knowledgeable statement. support team. Hot techs for 2012 MIDRANGE. Quantum Midrange tape libraries: was nearly as awesome SALES-FORCE COMPETENCEMobile backup among the midrange products, garnering top Quantum 6.61 scores on five of theQuality Awards: six statements for an IBM 6.44 Tape libraries impressive 6.61. IBM Oracle 6.31 just barely nudged out Dell 6.19 Replicate Quantum (6.44 to 6.41) and recover HP 6.03 for the statement “My sales rep keeps my inter- Sony 5.78How much does ests foremost.” IBM’s 6.44 Tandberg 5.12 storage cost? average put it in second, 0 1 2 3 4 5 6 7 8 with Oracle (6.31) taking third. Dell Inc. and BREAKING DOWN THE NUMBERS FC tops • Quantum was consistently strong in this category,networking list Hewlett-Packard (HP) Co. with its top scores for knowledgeable support teams also netted scores higher (6.76) and being easy to negotiate with (6.75). than 6.00. • IBM and Oracle received 6.00-or-higher scores on Sponsor all six statements, while Dell just barely missed that resources mark with a 5.99 on one statement. • The lowest across-the-board average was 5.93 for “My sales rep keeps my interests foremost.” 43 STORAGE December 2011
    • Tandberg 5.92 0 1 2 3 4 5 6 7 8 Enterprise tape libraries: INITIAL PRODUCT QUALITY Initial Quantum HP 6.74 6.47 product IBM 6.41 quality 0 Oracle 1 2 3 4 5 6 6.40 7 8 ENTERPRISE. Quantum BREAKING DOWN THE NUMBERS built an average score • Quantum’s scoring was again notably consistent, of 6.74 by beating the topped by three 6.83 ratings for products that require competition on every little daily intervention, provide ease of use and repre- statement in this category. sent good value. The “Big Data” conspiracy But once again, all the • Tape vendors must be doing something right: IBM vendors scored well, with (6.63) and HP (6.62) had their highest marks for ease of use, while Oracle’s 6.49 was its second highest score. HP, IBM and Oracle trail-Occupy Storage! • The group’s 6.50 average in this category stands ing the leader but just second only to the previous survey’s 6.67. 0.07 points apart. And all vendors earned 6.00 or Hot techs for 2012 higher on all six of the Midrange tape libraries: category statements. INITIAL PRODUCT QUALITYMobile backup MIDRANGE. Quantum Quantum 7.03 might have been building up its momentum as it Oracle 6.75Quality Awards: Tape libraries charged through the other IBM 6.65 categories: It cracked the Dell 6.60 7.00 mark for four of the Replicate HP 6.42 and recover six statements in initial product quality on its way Sony 6.40 to a category average of Tandberg 5.92How much does 7.03—one of its two 7.00- 0 1 2 3 4 5 6 7 8 storage cost? plus category scores. BREAKING DOWN THE NUMBERS Oracle, with a score of • Quantum snapped up 7.00-plus scores for needing FC tops 6.75 that could have been little intervention (7.18), ease of configuration (7.06),networking list a category winner in other good value (7.06) and easy installation (7.00). years, placed second, • Oracle just missed the 7.00 mark with a 6.96 for with IBM not far off ease of installation and scored well for ease 6.74 Quantum of use Sponsor resources the pace at 6.65. and configuration. HP 6.47 • All the scores in this category were strong; the overall category average of 6.54 effectively tied the IBM previous high of 6.55. 6.41 Oracle 6.40 0 1 2 3 4 5 6 7 8 44 STORAGE December 2011
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    • Sony 6.08 Tandberg 5.57 0 1 2 3 4 5 STORAGE 6 7 8 Enterprise tape libraries: PRODUCT FEATURES Product Quantum 6.72 features IBM 6.63 ENTERPRISE. IBM Oracle 6.54 managed to slow down the Quantum juggernaut HP 6.36 a bit in the product 0 1 2 3 4 5 6 7 8 features rating category; BREAKING DOWN THE NUMBERS it wasn’t enough to deny • Quantum had the only 7.00-plus statement score a victory, but certainly with a 7.15 for scaling; it was just shy of 7.00 for The “Big Data” enough to give the com- performance (6.95) and an overall feature set that conspiracy pany a run for its money. meets users’ needs (6.90). Quantum edged out IBM, • IBM’s highest scores were for scaling (6.78), overall 6.72 to 6.63, although IBM feature set (6.74) and performance (6.73).Occupy Storage! managed to prevail on • All four vendors rated highly, with all statement two of the eight category scores coming in above 6.00. Hot techs statements, gaining its for 2012 highest marks for man- Midrange tape libraries: agement features and PRODUCT FEATURESMobile backup user interface. MIDRANGE. Quantum Quantum 7.06Quality Awards: kicked into overdrive IBM 6.63 Tape libraries with its second 7.00-plus Oracle 6.55 category score, a very Dell 6.46 Replicate impressive 7.06 that and recover resulted from scoring HP 6.37 more than 7.00 on seven Sony 6.08How much does of the eight category Tandberg 5.57 storage cost? statements. Rarely out 0 1 2 3 4 5 6 7 8 of the top three state- ment leaders in this BREAKING DOWN THE NUMBERS FC topsnetworking list category, IBM’s 6.63 • Quantum’s highest scores were for management features (a very impressive 7.24) and interoperability earned it second-place (7.21). honors, while Oracle’s • IBM’s top mark (6.81) was for overall feature set, Sponsor 6.55 put it in third. Quantum 6.72 while Oracle’s high score was earned for loading resources and ejecting tapes efficiently (6.73). IBM 6.63 • Scores were strong for the entire field, with a record product features category average of 6.39. Oracle 6.54 HP 6.36 46 STORAGE December 2011 0 1 2 3 4 5 6 7 8
    • Sony 5.84 Tandberg 5.31 0 1 2 3 4 5 6 7 8 Enterprise tape libraries: PRODUCT RELIABILITY Product Quantum 6.46 reliability IBM Oracle 6.33 6.29 ENTERPRISE. In the reli- ability category, Quantum HP 6.09 came in second on two 0 1 2 3 4 5 6 7 8 statements and was tied on another, but it still BREAKING DOWN THE NUMBERS managed to roll up the • Quantum “stumbled,” if you can call it that, on non- disruptive updates/patches (6.13 to IBM’s 6.24) and highest mark (6.46). That providing upgrade guidance (6.36 to Oracle’s 6.43). The “Big Data” slight chink in Quantum’s conspiracy • IBM tied Quantum’s 6.41 on the statement “This armor wasn’t enough for product experiences very few bugs.” IBM (6.33) or Oracle (6.29) • Users’ tape library expectations are apparentlyOccupy Storage! to prevail. being met, with an overall 6.50 average for “The product meets my service-level requirement.” MIDRANGE. The product Hot techs reliability category is for 2012 typically something Midrange tape libraries: PRODUCT RELIABILITY of an Achilles’ heel forMobile backup midrange tape libraries, with scores dipping Quantum 6.80 compared to the other IBM 6.46Quality Awards: Tape libraries categories. That’s true Dell 6.30 again for the overall average (6.15), but not Oracle 6.26 Replicate for Quantum, which HP 6.07 and recover mustered an excellent Sony 5.84 6.80—the highest winning Tandberg 5.31How much does score we’ve ever seen 0 1 2 3 4 5 6 7 8 storage cost? for midrange product reliability. IBM finished BREAKING DOWN THE NUMBERS second with a score • Quantum was buoyed by a 7.18 on the statement FC topsnetworking list (6.46) that would have “This product requires very few unplanned patches/updates.” been a winner in three of the previous five tape • Quantum won all but one of the seven statements, Quantum 6.46 coming in fourth to IBM’s 6.24 for “Patches/updates Sponsor library surveys. Dell (6.30) can be applied non-disruptively.” resources broke into the top three IBM 6.33 • With the exception of IBM, most vendors were by just barely edging out tripped up by the patches/updates statement, with Oracle (6.26). Oracle 6.29 most getting their lowest scores on that statement. HP 6.09 0 1 2 3 4 5 6 7 8 47 STORAGE December 2011
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    • HP 6.00 Tandberg 5.23 0 1 2 3 4 5 6 7 8 Enterprise tape libraries: TECHNICAL SUPPORT Technical Quantum 6.49 support Oracle IBM 6.34 6.28 ENTERPRISE. Tech sup- port is often the final HP 6.15 measure of a product’s 0 1 2 3 4 5 6 7 8 value, as responsive and effective support can BREAKING DOWN THE NUMBERS outweigh skimpy feature • Oracle’s two statement winners were a 6.23 for having knowledgeable third-party partners and a sets or other shortcom- 6.26 for providing adequate training. The “Big Data” ings. Quantum’s winning • No support surprises for tape users: The highest conspiracy 6.49 was achieved by cop- statement average for all vendors was a 6.43 for ping the top spot for six “Vendor supplies support as contractually specified.”Occupy Storage! of the eight category • Overall, there was only one sub-6.00 statement statements. Oracle (6.34) score, which suggests vendors are doing a pretty good job of supporting their products. scored highest on the Hot techs other two statements for for 2012 a second-place finish in Midrange tape libraries: front of IBM (6.28). TECHNICAL SUPPORTMobile backup MIDRANGE. For technical support, it was another Quantum 6.77Quality Awards: statement sweep for IBM 6.41 Tape libraries Quantum, on its way to a Dell 6.34 6.77, the second-highest Oracle 6.24 Replicate tech support category and recover score ever for midrange Sony 6.10 tape libraries. Quantum’s HP 6.00How much does scores were high and Tandberg 5.23 storage cost? consistent, ranging from 0 1 2 3 4 5 6 7 8 a couple of 6.60 scores to a 6.94. IBM racked up BREAKING DOWN THE NUMBERS FC topsnetworking list another second-place • The top four vendors (Quantum, IBM, Dell and Oracle) all scored above 6.00 on all eight statements. category finish with a 6.41, while Dell put up • Vendors may want to revisit their training practices as the statement with the lowest average score (5.90) Sponsor a 6.34 for another third- wasQuantum for providing adequate training. 6.49 resources place finish. • As with their enterprise cousins, the top support Oracle 6.34 grade for all midrange tape libraries was 6.35 for the vendors delivering support as promised. IBM 6.28 HP 6.15 49 STORAGE December 2011 0 1 2 3 4 5 6 7 8
    • Carry that Heavy hitters: load, buy Average TBs backed up per week Oracle 68 it again Enterprise IBM 61 Quantum 49 Although not necessarily a measure of vendor HP 39 service or reliability, the amount of data that 45 Oracle passes through a tape library on a weekly basis Quantum 43 may indeed be a gauge IBM 37 Midrange of users’ expectations, 34 Sony The “Big Data” dependence and confi- conspiracy dence in a product. Dell 29 Oracle—likely due to HP 27 its heritage stretchingOccupy Storage! Tandberg 26 back to StorageTek Corp. 0 10 20 30 40 50 60 70 80 and Sun Microsystems Hot techs Inc.—sits atop both the for 2012 enterprise and midrange groups when it comes Oracle Would you buy thisMobile backup to the sheer capacity its product again? products churn through. IBM We always make it HPQuality Awards: a point to ask respon- IBM 91% Enterprise Tape libraries dents, given what they HP 88% now know, whether Quantum 88% Replicate they’d make the same and recover product purchase again. Oracle 76% Often the “buy again” numbers run contrary 94%How much does Quantum to the ratings largely storage cost? HP 92% because users often feel a degree of loyalty Sony 88% Midrange FC tops (or at least familiarity) IBM 87%networking list after having worked with a product for Dell 85% Sponsor years. This time around, Oracle 84% resources the “buy again” numbers Tandberg 73% jibe pretty closely with 0% 20 40 60 80 100 the ratings. 50 STORAGE December 2011
    • STORAGE About the survey The Storage magazine/SearchStorage.com Quality Awards are designed to identify and recognize products that have proven their quality and reliability in actual use. Results are derived from a survey of qualified readers who assess products in five main categories: sales-force competence, initial product quality, product features, product reliability and technical support. Our methodology incorporates statistically valid polling that eliminates market share as a factor. Indeed, our objective is to iden- tify the most reliable products on the market regardless of vendor name, reputation or size. Products are rated on a scale of 1.00 to 8.00, where 8.00 is the best score. A total of 783 respondents provided 930 tape library evaluations. The “Big Data” conspiracyOccupy Storage! Products in the survey The following vendors/model lines of enterprise-class and midrange tape libraries were included in this Quality Awards survey. The total number of responses for Hot techs each finalist is shown in parentheses. for 2012 ENTERPRISE MIDRANGEMobile backup Hewlett-Packard (HP) Co. Dell Inc. PowerVault Tape Backup ESL/EML Series (107) 124T/114T or TL4000/ TL2000 or ML6000 Series (168) IBM TS3400 or TS3500 (135)Quality Awards: HP MSL Series (145) Tape libraries Oracle Corp. (Sun) StorageTek SL500/SL3000/SL8500 (72) IBM TS3100, TS3200 or TS3310 (111) Overland Storage NEO 8000 Series* Replicate Overland Storage NEO 200s/400s, and recover Qualstar Corp. TLS or XLS Series* NEO 2000e Series Quantum Corp. Scalar or NEO 4000e Series* i500/i2000/i6000 or PX720 (41)How much does Qualstar RLS Series* storage cost? Spectra Logic Corp. Quantum M Series, PX502, Scalar 64K/ T120/ T200/ T380/ T680/ T950 i40/i80 or Scalar 24/50 (17) or T-Finity* FC tops Sony (all models) (25)networking list Spectra Logic 20K/ T24/ T50* Oracle (Sun) StorageTek SL24 Sponsor or SL48 (38) resources Tandberg Data StorageLibrary * Received too few responses to be included T24/ T40/ T80/ T120/ T160 among the finalists or StorageLoader Series (33) 52 STORAGE December 2011
    • hot spots | lauren whitehouse Replication technology for day-to-day recovery r It’s not just for disaster recovery anymore: Replication technology is finding a place in the more common, but just as crucial, recovery of systems and data in ordinary operations. The “Big Data” conspiracy EPLICATION TECHNOLOGY, a staple of traditional disaster recovery (DR) strate- gies, can also play a pivotal role in local data recovery processes. Replica- tion isn’t new, but it’s being used in new ways, especially with the increasedOccupy Storage! popularity of virtualization and cloud services models. (These technologies often reduce the need to maintain Hot techs on-premises physical system replicas.) Companies of all for 2012 Optimization technologies, such as data deduplication and compression, sizes also reportMobile backup have also given replication technology limited leniency for a boost because they enable more efficient data transfers across the span of timeQuality Awards: Tape libraries local-area networks (LANs), they can do without wide-area networks (WANs) or storage-area networks (SANs). access to applica- Replicate But the larger contributors to repli- tions and data. and recover cation’s shift from DR standard to op- erational recovery tool are data growth and diminishing downtime tolerance.How much does Annual data growth—averaging 10% to 30% for most companies, but as storage cost? high as 40% or more for larger companies (those with more than 100 production servers1)—is wreaking havoc on IT’s ability to copy systems and data for recovery purposes and meet recovery time objectives (RTOs). FC topsnetworking list Companies of all sizes also report limited leniency for the span of time they can do without access to applications and data. For tier 1 data, surveys by Enterprise Storage Group (ESG) reveal that for nearly three-quarters of Sponsor resources respondents this amount of time is three hours or less. For a little more than 50% of those surveyed, it’s one hour or less. For many, meeting a service-level agreement (SLA) for this RTO would be a daunting task with traditional backup approaches. 1 ESG Research Report, Data Protection Trends, April 2010. 54 STORAGE December 2011
    • STORAGE REPLICATION TECHNOLOGY OVERVIEW Replication refers to technology solutions that create a mirror copy of data. It can be performed on different infrastructure components, including the host system and storage array, or in the network. Host-based replication asynchronously replicates data, regardless of storage array make or model. Array-based replication software runs on one or more storage controllers resident in disk storage systems, synchronously or asynchronously repli- cating data at the logical unit number (LUN) or volume block level between similar storage array models. Network-based replication per- The “Big Data” forms like array-based replication, but Network-based conspiracy has the advantages of running on a replication performs network-resident appliance or intelli- gent switch and supporting dissimilar like array-basedOccupy Storage! storage systems. There’s also applica- replication, but Hot techs tion- or database-specific replication, has the advantages for 2012 typically packaged with or an add-on to the application. Application-based of running on a replication copies a specific app’s network-residentMobile backup data to another instance of the application, taking advantage of its appliance or intelli-Quality Awards: intimate knowledge about that app gent switch and Tape libraries to offer optimal performance and supporting dissimilar application integrity. Replication solutions can be storage systems. Replicate and recover broken into two main categories: synchronous and asynchronous. With a synchronous solution, data is copied to the replica (target) as soon as it’s written to primary storageHow much does storage cost? (source), with the write to primary storage being acknowledged after the target storage array confirms the data was written to the replica. In con- trast, asynchronous replication acknowledges the write and then moves FC tops data to the target replica, introducing a lag in the synchronicity of systems.networking list The differences between these approaches can be divided into three categories: bandwidth requirements, latency limitations and the potential Sponsor impact on applications. Synchronous replication typically requires more resources bandwidth, and latency limits it to a campus distance. An asynchronous approach is better for over-distance replication because latency isn’t a factor and low-bandwidth connections are better tolerated. As its name suggests, a synchronous approach ensures that data on source and target 55 STORAGE December 2011
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    • STORAGE systems are in lock step. But since the write acknowledgment is delayed until the data has been replicated, any time delay could impact the per- formance of the application. Asynchronous replication is far less likely to affect primary application performance. However, asynchronous replication could get out of synch—so much so that it jeopardizes the ability to meet recovery point objectives (RPOs). REPLICATION RISKS, REWARDS Some might consider replication a risky approach to satisfy backup require- The “Big Data” ments. Why? There’s no way to roll back to a previous point in time. If conspiracy corrupted data is replicated, then the replica is damaged goods. That’s why implementing snapshot or continuous data protection (CDP) technologyOccupy Storage! with replication may make more sense. Implementing a snapshot or CDP strategy locally for operational recovery, and asynchronously replicating the point-in-time copy to a remote loca- Hot techs for 2012 tion for disaster recovery would provide the failsafe measures to make replication a more viable and reliable method of data protection. This approach can also be more optimized since only the changed blocksMobile backup between point-in-time captures are replicated. Furthermore, at either the source or target location, recovery can occur to any previous pointQuality Awards: in time, potentially improving RPOs. Tape libraries Replication has seen an uptick in adoption since ESG polled 400 IT pro- fessionals in North America regarding their organization’s current and planned data protection strategies and technologies. In ESG’s 2008 survey, Replicate and recover 30% of respondents cited replication use vs. 46% today. Similarly, those respondents stating an expectation to deploy replication sometime in the next two years is currently 37% compared to the 30% intending to deploy inHow much does the 2008 study. As pressure mounts to capture and, more importantly, re- storage cost? cover ever-growing volumes of data within increasingly limited windows of time, replication for operational recovery should get serious consideration. 2 FC topsnetworking list Lauren Whitehouse is a senior analyst focusing on backup and recovery software and replication solutions at Enterprise Strategy Group, Milford, Mass. Sponsor resources 57 STORAGE December 2011
    • read/write | jeff boles Determining the real cost of storage Vendors tout dollars per gigabyte per I/O, i but figuring out what a data storage system will really cost your company is a much more complicated process. F YOUR JOB involves storing data, you already know storage eats up budget The “Big Data” dollars faster than just about anything else in IT. But as daily practitioners, conspiracy we rarely notice just how many bucks storage is truly consuming. The mar- keting hype for data storage products stays focused on magic bullets likeOccupy Storage! “more capacity per dollar” or “more I/O per dollar,” but the cost of storage is about more than that. Hot techs One of the best ways to consider The classic challenge the true cost of storage is to think for 2012 about what’s required to store a for the strategic single piece of data over its entire storage manager isMobile backup lifetime. This is called the “lifecycle cost of data storage,” and it includes that the vast majorityQuality Awards: the technologies, processes and of data created in the Tape libraries workflows across all types of stor- data center starts age. This type of bottom-up look at storing a piece of data over a period its life on primary Replicate and recover of time not only helps us understand storage, so storage what data storage truly costs, but helps us determine what we should purchasers tend toHow much does storage cost? be looking for when we’re shopping fixate on these costs. for data storage products. The classic challenge for the strategic storage manager is that the vast FC tops majority of data created in the data center starts its life on primary storage,networking list so storage purchasers tend to fixate on these costs. But capital costs are actually more of a distraction than a real representation of what storage Sponsor costs. Even worse, the costs are even more skewed when you consider the resources dissimilar products that are typically part of most storage environments. Even the total costs of primary data storage are often misunderstood. Pri- mary storage is often poorly provisioned and underutilized, a problem that’s compounded as more storage systems are added and more features are 58 STORAGE December 2011
    • STORAGE licensed (you may need additional replication or copy functionality with multiple systems installed). And you’re bound to see at least a linear in- crease in the time and effort required to manage the storage, especially when time-consuming tasks like data migrations are required. But the cost of storing data goes beyond just primary storage. Each piece of stored data is surrounded by an ecosystem of information services. Data protection is the most obvious, and it typically consists of several parts such as the management of multiple disk and tape tiers, and the logistics of getting protected data offsite. A holistic look at the cost of data protec- tion alone is likely to dwarf the capital costs of primary storage systems. The “Big Data” There are plenty of other costs besides data protection. Regulatory com- conspiracy pliance and the changing nature of intellectual property encourage ever- longer retention of data. To hold onto The replicationOccupy Storage! more data for longer periods of time, engines, bandwidth Hot techs companies must spin up entire infra- consumption and structures and establish practices for 2012 around information archiving, search duplicate storage and retrieval. Disaster recovery is yet infrastructureMobile backup another data protection function that can’t be ignored, and its cost can be required for disasterQuality Awards: significant. The replication engines, protection can easily bandwidth consumption and dupli- Tape libraries induce some serious cate storage infrastructure required for disaster protection can easily sticker shock. Replicate and recover induce some serious sticker shock. Taneja Group has done extensive benchmark testing of hypervisors for what we refer to as virtual machine (VM) density; it’s based on the ideaHow much does that different hypervisors are more or less efficient, so that given matching storage cost? hardware, some will be able to run more VMs or deliver better performance. When considering all the hardware, licensing, management effort and con- FC tops sumption of data center resources, this can have an enormous bottom-linenetworking list impact. Recently, we’ve also focused on “storage density,” which is a similar concept. It considers how a product or technology can help you shrink your Sponsor data footprint when considered across storage capacity, storage systems, resources bandwidth consumption and human interaction. It’s not really a new idea; rather, we’re just now starting to see solutions that attempt to bring together capabilities that used to come from many separate storage products. In part, it’s also a reaction to changing IT prac- 59 STORAGE December 2011
    • STORAGE tices in the enterprise; with virtualization becoming mainstream, data protection practices have had to change, and it’s not uncommon to see primary storage products that incorporate some aspect of data protection. Similarly, data storage products are featuring better optimization, and secondary storage systems are raising performance and becoming more general purpose. A number of vendors try to communicate this message in terms of storage efficiency. But storage efficiency often implies a sort of soft, qualitative comparison, and it can fool users into thinking that improving storage might just be about tweaking one or two of the most obvious The “Big Data” dimensions of efficiency, such as capacity optimization. Whether we call conspiracy it storage density or storage efficiency, it’s more than a single dimension. We’ve explored various examples of this functional convergence creatingOccupy Storage! greater storage density in recent lab exercises. I see those exercises as representing the market as a whole; each vendor in this consolidating, scaling-storage landscape is striving to enhance the value and competi- Hot techs for 2012 tiveness of their offerings. But the real winners are users, who are finally getting storage technologies that can help enterprises scale their storage infrastructures through better storage density rather than sprawl. 2Mobile backup Jeff Boles is a senior analyst at Taneja Group. He can be reached at jeff@tanejagroup.com.Quality Awards: Tape libraries Replicate and recoverHow much does storage cost? FC topsnetworking list Sponsor resources 60 STORAGE December 2011
    • Data Deduplication: Fad, fixture... or just a nice feature? Find out the benefits, drawbacks and functions of this technology with our Top 10 Tips on Data Deduplication: www.SearchStorage.com/Data_Deduplication The Web’s best storage-specific information resource for enterprise IT professionals
    • snapshot 4 Gig FC, 1 Gig Ethernet dominate storage networking NEARLY ALL Storage magazine readers polled—92%—say their firm is using networked storage. Forty-five percent have one or two storage networks installed, but 27% have more than five separate storage networks. And while it’s no surprise that 4 Gig Fibre Channel (FC) and 1 Gigabit Ethernet (GbE) are the most common net- works (60% and 51%, respectively), eyebrows may raise a bit at the number of firms on 10 GbE (35%) and 8 Gbps FC (41%). Responding companies plan to buy an aver- age of 2.9 new Ethernet switches and 2.5 FC switches, which should make vendors happy, but they’d probably be disappointed to see the lukewarm reception Fibre Channel over Ethernet (FCoE) is getting. Positioned as the great consolidator of FC and Ethernet networks, FCoE is in production in 13% of reporting firms, 8% are test- ing it and 54% checked off “no plans.” The picture gets a little rosier when peering into the future, as 47% can envision a mix of FC and Ethernet running over FCoE as their ultimate storage networking configuration. —Rich Castagna The “Big Data” conspiracy Indicate your company’s interest What would you consider your primaryOccupy Storage! or activity related to FCoE. storage network architecture? InfiniBand 3% Hot techs 13% 1 Gbps Ethernet for 2012 8% Currently using FCoE in production (NAS or iSCSI) 16% 54% Currently using FCoE in a test/ 10 Gbps Ethernet 25% pilot environment (NAS or iSCSI) 14% Evaluating FCoE 2 Gbps FibreMobile backup 5% Channel No plans for FCoE at this time 4 Gbps Fibre Channel 33%Quality Awards: Tape libraries 8 Gbps Fibre Channel 27% Which types of storage networks Other 2% do you currently have installed? * 0% 10 20 30 40 Replicate and recover 60% 4 Gbps Fibre Channel % 60 51% 1 Gbps Ethernet (NAS or iSCSI)How much does 41% 8 Gbps Fibre Channel storage cost? 35% 10 Gbps Ethernet (NAS or iSCSI) 20% 2 Gbps Fibre Channel FC tops 4% InfiniBandnetworking list 1% 10 Gbps FCoE Say their Ethernet storage *Respondents could choose more than one option is on an isolated network. Sponsor resources “ FCoE is likely two-plus years away and it scares the network engineers. In the meantime, we’ll focus on upgrading Ethernet and upgrading our FC network to 8 Gbps.” —Survey respondent 62 STORAGE December 2011
    • STORAGE TechTarget Storage Media Group STORAGE Vice President of Editorial Mark Schlack Editorial Director Rich Castagna Senior Managing Editor Kim Hefner Executive Editor Ellen O’Brien Creative Director Maureen Joyce Contributing Editors James Damoulakis, Steve Duplessie, Jacob Gsoedl, W. Curtis Preston COMING IN Executive Editor Ellen O’Brien Senior News Director Dave Raffo Senior News Writer Sonia R. Lelii January Senior Writer Carol Sliwa ROBO Backup Senior Managing Editor Kim Hefner The “Big Data” There are several ways to protect Assistant Site Editor Rachel Kossman conspiracy remote offices and branch offices Editorial Assistant Hillary O’Rourke (ROBOs), which may or may not include centralized operations thatOccupy Storage! ensure all data finds its way to the Executive Editor Ellen O’Brien Assistant Site Editor Rachel Kossman main data center. We describe the scenarios; cover the required soft- Hot techs ware, hardware and comm facilities; for 2012 and offer suggestions for when each alternative might be a good fit.Mobile backup Senior Site Editor Andrew Burton Quality Awards VI: NAS Systems Managing Editor Ed Hannan Assistant Site Editor John Hilliard In the final installment of round sixQuality Awards: of the Storage/SearchStorage.com Features Writer Todd Erickson Tape libraries Quality Awards, we poll readers to assess their satisfaction with the service and reliability of their net- Replicate and recover work-attached storage systems. Senior Site Editor Sue Troy Assistant Site Editor Francesca Sales What Kind of DR Site isHow much does Best for Your Company? storage cost? Senior Site Editor Sue Troy One of the toughest, and perhaps UK Bureau Chief Antony Adshead most expensive, disaster recovery Assistant Site Editor Francesca Sales (DR) issues to resolve is determining FC topsnetworking list the type of recovery site your firm requires. We’ll describe how a firm TechTarget Conferences can assess its DR site needs, including Sponsor Director of Editorial Events Lindsay Jeanloz details related to the equipment and resources Editorial Events Associate Jacquelyn Hinds facilities for the different types of recovery sites and typical costs. Storage magazine Subscriptions: www.SearchStorage.com And don’t miss our monthly columns Storage magazine 275 Grove Street, Newton, MA 02466 and commentary, or the results of editor@storagemagazine.com our Snapshot reader survey. 63 STORAGE December 2011
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