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Backup for Virtual Environments
Backup for Virtual Environments
Backup for Virtual Environments
Backup for Virtual Environments
Backup for Virtual Environments
Backup for Virtual Environments
Backup for Virtual Environments
Backup for Virtual Environments
Backup for Virtual Environments
Backup for Virtual Environments
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Backup for Virtual Environments


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survey of 500 CIOs, commissioned by …

survey of 500 CIOs, commissioned by
Veeam Software and conducted by Vanson
Bourne, reveals some interesting trends in
the virtual server space, specifically on the
backup and recovery practices of IT organizations.

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  • 1. Backup for VirtualEnvironments INFOSTOR Storage eBook ® an
  • 2. Contents… Backup for Virtual Environments This content was adapted from the Infostor, Enterprise IT Planet and Enterprise Storage Forum websites. Contributors: Dave Simpson, Drew Robb and Richard Adhikari. 2 End-User Survey: Virtual Server Backup and Recovery2 3 Backing Up Virtual Servers is Tougher Than You Think 5 Boosting Storage Backup Speed in a Virtual Environment3 5 7 Financial Giant Uses Deduplication to Reduce Virtual Storage Costs712
  • 3. Backup for Virtual Environments End-User Survey: Virtual Server Backup and Recovery By Dave Simpson A survey of 500 CIOs, commissioned by and only 29 percent of IT organizations back up their Veeam Software and conducted by Vanson entire “virtual estate.” Bourne, reveals some interesting trends in the virtual server space, specifically on the Similarly, on average, backup tests are performed onlybackup and recovery practices of IT organizations. once every two months (which translates into potentially 60 days of bad backups), and only 2 percent of allFor example, penetration of virtual servers is now backups are tested annually.approaching 50 percent in IT infrastructures (currently42 percent), and since CIOs on average consider halfof their servers to be “mission critical,” that means thatvirtual servers are poised to penetrate mission-criticalapplications. And the 42 percent penetration today isexpected to grow to 63 percent in the next two years.The No. 1 reason that IT organizations virtualize is toconsolidate physical servers (71 percent), followed byimproved disaster recovery (54 percent) and improveddata protection (51 percent). Yet one of the primarygating factors to end-user adoption of virtual serverscenters on fears relating to the ability to successfullyback up and recover virtual machines (VMs). In fact, 44percent of the survey respondents said that concernsregarding VM backup and recovery prevented them fromvirtualizing mission-critical workloads.(The survey breaks out responses by region – US, UK,France and Germany – but the numbers cited in thisarticle refer to total percentages.)Not surprisingly, VMware vSphere is the leading virtualserver platform (73 percent), followed by MicrosoftHyper-V (28 percent) and Citrix Xen (27 percent). Thepenetration of both Hyper-V and Xen is expected toincrease to 30 percent over the next 12 months.What is surprising is that administrators are only backingup, on average, 68 percent of their virtual environments, 2 Back to Contents Backup for Virtual Environments a QuinStreet Storage eBook. © 2011 QuinStreet, Inc.
  • 4. Backup for Virtual Environments Backing Up Virtual Servers is Tougher Than You Think By Richard Adhikari S erver virtualization is a promising cost-cutting are no tools to manage them, according to surveys by technology that is sure to continue growing Symantec. in the current economic climate, but backing up and restoring virtual servers could prove Lena Joshi, a senior product marketing manager atdifficult because of the extensive use of scripting. VMware, said VCB was designed so that its partners could provide solutions based on the technology and thatMost businesses use VMware products, as the company is it works with existing backup systems.the market leader, and its VMware Consolidated Backup(VCB) centralized backup facility “Philosophically, it’s all about ourrequires users to write a lot of ecosystem,” she said. VMwarescripts. That makes it difficult to is known for its strong ties withuse, according to some experts. third-party vendors, although Microsoft’s push into the“There are lots of different ways virtualization field with Hyper-Vto back things up, and VMware is threatening that ecosystem.basically leaves it up to the users,” “VCB is a framework that providessaid Robert Bloomquist, senior access more than anything else.”engineer for virtual recovery atKroll Ontrack Data Recovery, which Joshi said VCB was designed tospecializes in restoring lost data. work with customers’ existing backup products, giving themVMware says extensive scripting direct access to data in virtualis only necessary if enterprises machines in shared storageusing VCB don’t already have a networks. “You’ll have to writebackup solution in place, as VCB was designed to work scripts if you don’t already have a backup solution,” shewith existing backup systems, but at least one vendor of a said.backup solution for VMware’s products disagrees. However, STORserver’s Rome said it may not be as easy“It’s difficult to just use the VCB framework because to use VCB with existing backup solutions as VMwareyou have to write a lot of scripts and requires a lot claims.of maintenance, and you have to spend a lot of timeon that,” said Ellen Rome, vice president of sales and “VCB is really just a framework, it’s not something that’smarketing at backup, archiving and disaster solutions easy to use and implement,” Rome said. “You have to dovendor STORserver. “That just adds another level of the integration to make it work with a lot of the popularmanagement to the process.” backup solutions out there.”Many companies leave out some of their virtualized Tools from traditional legacy backup systems vendorssystems in their disaster recovery plans because there such as CA, IBM, Hewlett-Packard and Symantec, 3 Back to Contents Backup for Virtual Environments a QuinStreet Storage eBook. © 2011 QuinStreet, Inc.
  • 5. Backup for Virtual Environmentswhich have extended their applications to the virtualenvironment, will not provide an adequate solution,claims George Pradel, director of strategic alliances atVizioncore, which provides backup and recovery productsfor the VMware environment.“The procedures in traditional legacy applications havenot been modified for the extra capabilities you havein the virtual environment,” Pradel said. “You need adifferent approach.”While storage vendors have made strides to adapttheir backup offerings to virtualization, it’s clear thatenterprises moving to virtual environments must re-thinktheir data backup and recovery infrastructure. 4 Back to Contents Backup for Virtual Environments a QuinStreet Storage eBook. © 2011 QuinStreet, Inc.
  • 6. EMC PRESENTS“Discover the Power of Next Generation Backup” See why EMC is the leader in backup and recovery at, EMC, and the EMC logo are registered trademarks or trademarks of EMC Corporation in the United States and other countries.All other trademarks are the property of their respective owners.© Copyright 2011 EMC Corporation. All rights reserved. Source: IDC Worldwide Purpose Built Backup Appliance 2010-2015 Market Analysis and Forecast, 2010 Vendor Shares report (May 2011).
  • 7. Backup for Virtual Environments Boosting Storage Backup Speed in a Virtual Environment By Drew Robb B ackups used to be simple. Attach a disk array had only one or two Windows servers, data was being to a tape drive and away you went. Then the backed up onto much smaller Dell PowerVault tape libraries. volume of data mushroomed, and things got a little bit more complicated. Now, with so A Bump in the Roadmany virtualized systems to deal with, backups can beproblematic. Things started to go awry in the backup department, however, when the company began to march forwardAt professional engineering firm Wade Trim, for example, with its virtualization plans using Windows Hyper-V, firstthe move to a virtualized environment resulted in severe in its Detroit and Tampa locations. While the traditionalbackup slows. According to gains from virtualization wereScott Landrum, senior network experienced (e.g., better ITadministrator at the company, the efficiency, server consolidation),backup window at one of its data its backup processes took acenters stretched from 14 hours severe hit.prior to virtualization to three fulldays. The company was running differential and full backups.“Backup throughput dropped But after virtualization, thefrom 2,000 Mb/minute to 400 throughput choked down to aMb/min,” said Landrum of fifth of its previous levels. FullWade Trim, a 350-employee backups took days to complete.firm headquartered in Detroitwith a total of 21 offices in eight “What I needed was the abilitystates. As well as engineering, to backup virtual hard disksit provides planning, landscape (VHD) faster, while still beingarchitecture, operations, able to conduct file and foldersurveying and environmental level restores,” Landrum services. He looked at various solutions, such as VMwareWade Trim was backing up 14 TB of Windows data Consolidated Backup (VCB) and VMware ESX, but thesethroughout the enterprise. In addition to the office’s files, required heavy Linux scripting, additional hardwarethe company had to backup lots of large CAD, GIS and and the move to a different virtualization platform. The continued decision was made to stick with Hyper-V, as it was doing aimage files. Two-thirds of the data sat on 25 Windowsservers and a SAN at the head office. The company had good job on the virtualization side. That left the selectionthree trays of CX-3 disks served by two SAN switches. process between two main backup candidates —At this location, everything was backed up onto a Dell Symantec Backup Exec and CA ARCserve backup, whichPowerVault TL4000 tape library. As local branches generally was the product already in use at Wade Trim. 5 Back to Contents Backup for Virtual Environments a QuinStreet Storage eBook. © 2011 QuinStreet, Inc.
  • 8. Backup for Virtual EnvironmentsThe Solution without downtime and without heavy involvement from IT staff.ARCserve had been used for backup for about 10 years.CA suggested an upgrade to ARCserve Backup 12.5, “Instead of spending weeks rearchitecting our entirewhich included a new virtualization agent that addresses infrastructure, we were able to deal with a couple ofbackup complexity and slowdowns. It came out on top remote locations per weekend,” said Landrum. “We areduring product evaluation, particularly as far as licensing most of the way through the transition to virtualization,costs. According to Landrum, the Symantec product and our users haven’t noticed we are doing it.”would cost $3,000 per location to license compared toabout $800 for ARCserve. The lengthy extension of the backup window has also been resolved. According to Landrum, the time needed“We didn’t see any reason to retool our entire backup for a full backup has dropped from 72 hours to aboutfabric,” he said. “Further, we could use ARCserve as a eight, as compared to 14 hours prior to virtualization.core component to migrate our remote offices from a Whereas backup throughput had crashed from 2000 Mb/physical to a virtual platform.” min to 400 Mb/min, it has now surged to 4,000 Mb/min.He explained that the company was engaged in a “Backup throughput is now twice what we experiencedproject to conduct a physical to virtual conversion of the prior to virtualization,” said Landrum “Once we areprimary production file server at each remote location. complete with our virtualization initiative, we plan onTo facilitate this project, ARCserve could be used for investigating other capabilities, such as replication andconversion-related tasks in such a way that local offices deduplication.”could be moved to the virtual world over weekends 6 Back to Contents Backup for Virtual Environments a QuinStreet Storage eBook. © 2011 QuinStreet, Inc.
  • 9. Backup for Virtual Environments Financial Giant Uses Deduplication to Reduce Virtual Storage Costs By Drew Robb S unGard Financial Services was experiencing segment of the financial services industry. backup woes in its highly virtualized environment. Using tape along with VMware Based in London, but with global operations, the data Consolidated Backup (VCB) and Symantec center of SunGard Financial Services uses EMC ClariionBackup Exec was proving problematic. and Celerra arrays in its SAN. It currently has 1,500 virtual machines (VMs) distributed across eight sites.“We didn’t have enough tape bandwidth to complete Most of these VMs operate in a development andlarge backups and were experiencing high rates of test environment. When it came to backing them, thebackup failure,” said Guy Chapman, a senior engineer for inadequacies of VCB meant that priorities had to bestorage and virtual infrastructure set. Those VMs operating inat SunGard Financial Services, a mission-critical productionwhich is based in London. setting were always backed up. Those in development andThe company looked at various testing, however, were not.options as an alternative to tape, Chapman describes a “kit ofincluding storing data on SATA parts” being needed to builddisks within a SAN. Eventually, VCB backup. Despite a lot ofhowever, it switched to EMC Data attention, backup jobs wouldDomain for deduplication and fail.Symantec NetBackup software.Some backup remains on tape, This situation was exacerbatedbut much of it has switched to the by a distributed infrastructure.Data Domain appliance. Many smaller sites existed throughout London, and each“Data Domain-based business unit ran its own backupdeduplication worked out at and DR plan. The companyabout one fifth of the cost of SATA/SAN storage,” said engaged in a metropolitan consolidation project toChapman. “We have also reduced our backup and get rid of most of the small sites, focus IT operationsrecovery costs per VM [virtual machine] by 10 times.” at a large data center at Canary Wharf in London, and centralize backup.SunGard Financial Services is one of the four business continuedunits of SunGard. While SunGard Availability Services “We needed to provide a reliable and consistentis perhaps better known due to its disaster recovery protection strategy for our virtual and physical realservices, SunGard Financial Services is actually a larger estate,” said Chapman. “Our three tape silos were unablerevenue generator. It contributes more than 50 percent to complete backups on time.”of the annual $5 billion-plus of SunGard by deliveringsoftware and IT services to institutions in virtually every With more than 190 TB of data at the front end, SunGard 7 Back to Contents Backup for Virtual Environments a QuinStreet Storage eBook. © 2011 QuinStreet, Inc.
  • 10. Backup for Virtual EnvironmentsFinancial Services looked at how to back all this up and Tape, though, continues to be used as a long-termreplicate it to a recovery site without breaking the bank. archive. It has been eliminated for offsite backup. Instead,That led the company to deduplication as a means of the company placed another Data Domain appliance atreducing the volume of data that needed to be stored. an offsite facility and replicates its data to it.Dedupe works by a) preventing duplicate files from being “We now have fast reliable recovery of replicated data,”backed up and b) storing only one copy of everything said Chapman.rather than conducting a full backup on a daily or weeklybasis. The two final dedupe candidates were EMC Data Another benefit is nearline storage of VMs. Many VMs inDomain and Symantec PureDisk. The latter was priced test and development are used for only a short while, yetattractively if purchased with Symantec NetBackup. they can take a long time to configure. While some mightHowever, Chapman said it has relatively high associated never be needed again, it is smart to keep them aroundhardware costs — five media servers — as well as power just in case. But this requires a lot of storage. SunGardand cooling demands, and the need for more back-end now puts them on the Data Domain box and can bringstorage to support it. them back into use rapidly without clogging up primary storage with unused VMs. This works out at about one“Data Domain met our business requirements and could tenth the cost of storing those VMs on primary disk.easily be implemented into our environment,” he said.“The reference calls we made were positive and the “We have full confidence in the backup and security of ortechnical presales contacts were excellent.” virtual infrastructure,” said Chapman. “The time savings of implementing deduplication are equivalent to one full-In terms of results, the company has been able to time employee due to the elimination of so much backupsqueeze 190 TB at the front end to only 14 TB on a Data administration and troubleshooting.”Domain appliance using NetBackup software. Newincoming data achieves compression rates of 20 to one. 8 Back to Contents Backup for Virtual Environments a QuinStreet Storage eBook. © 2011 QuinStreet, Inc.