IBM Systems and Technology Group                                                                                          ...
IBM Systems and Technology Group                                                                                          ...
IBM Systems and Technology Group                                                                                         S...
IBM Systems and Technology Group                                                                                          ...
IBM Systems and Technology Group                                                                                          ...
For more information about IBM System Storage forMicrosoft Exchange Environments, contact your IBMrepresentative or visit ...
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IBM System Storage ESRP-tested XIV solutions for Microsoft Exchange


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Email systems, such as Microsoft Exchange, have become today’s
preferred business communication tool. Access to email is required 24x7
and email volume is growing at unprecedented rates, creating a sharp
increase in storage capacity needs, availability requirements, and better
processes and tools to manage the escalating need for infrastructure.

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IBM System Storage ESRP-tested XIV solutions for Microsoft Exchange

  1. 1. IBM Systems and Technology Group System StorageSolution Brief IBM System Storage ESRP-tested XIV solutions for Microsoft Exchange IBM XIV and XIV Gen3 storage solutions for Microsoft Exchange production, Unified Communications and archiving environments Email systems, such as Microsoft Exchange, have become today’s Highlights: preferred business communication tool. Access to email is required 24x7 and email volume is growing at unprecedented rates, creating a sharp • Proven enterprise-ready interoperability increase in storage capacity needs, availability requirements, and better for your Microsoft environments that help optimize your IT infrastructure with processes and tools to manage the escalating need for infrastructure. Microsoft Exchange and IBM® XIV® These concerns result in increased costs enterprises have to manage and through Microsoft ESRP-tested solutions are offset by implementing new technologies—technologies that make • Realize improved service levels, protect managing mission-critical communication services simple. With your data and attain maximum value from Microsoft Exchange databases at the core of many organizations’ critical your email systems operations, rapid database growth can quickly impact productivity if the • Simplify and consolidate infrastructure, volume of data degrades performance or availability. So how can and lower total ownership costs using companies maximize email performance and availability to ensure IBM XIV Storage System solutions for ongoing business productivity? Exchange Server data • Focus resources on strategic issues by The answer is simple. IBM delivers outstanding performance and delivering a high quality of service that is availability with IBM XIV and XIV Gen3 Storage System solutions for simple to configure and manage Microsoft Exchange, helping address challenges surrounding email • Move to grid-based storage systems to production as well as archiving environments. XIV helps cost-effectively ensure that the infrastructure can easily manage growing Microsoft Exchange environments, potentially reducing scale to support future needs database size while improving application performance and availability. • Complement your solution with IBM Tivoli® FlashCopy® Manager data Why not simplify and consolidate infrastructure with the Microsoft protection software Exchange Solution Reviewed Program (ESRP)-tested IBM XIV or XIV Gen3 Storage Systems? The incredible ease of management, advanced data distribution technology, self-tuning capability and automatic (and extremely quick) drive rebuild offer Exchange administrators and storage architects new tools to deliver a robust, yet easily managed Exchange storage solution. Advanced features such as copy services, thin provisioning, full Multipath I/O (MPIO), Volume Shadow Copy Service (VSS) support, and solid-state drive (SSD)-ready XIV Gen3 increased performance with Serial Attached SCSI (SAS) drives and InfiniBand fabric offer additional flexibility and support in terms of performance, availability and quick recovery, ensuring optimal, efficient usage of storage subsystems.
  2. 2. IBM Systems and Technology Group System StorageSolution Brief Microsoft ESRP program-tested XIV Gen3XIV Gen3 120,000 mailbox ESRP: A high-performance Storage System solutions for Microsoftplatform for Exchange Server 2010 ExchangeSimulating a real-world deployment, Microsoft Exchange environment Microsoft ESRP-Storage is designed to facilitate third-partyprimary storage performance testing is designed to exercise the storage testing and solution publishing for Microsoftstorage with the maximum sustainable Exchange I/O type for Exchange Server 2007 and 2010 software. Most customers dotwo hours. The test is designed to show how long it takes for thestorage to respond to an I/O request under load. The data below not purchase storage for Microsoft Exchange environmentsis the sum of all of the logical disks’ I/O requests and the average without Microsoft validation through the ESRP program.of all the logical disks’ I/O latency during the two-hour test, using The program combines a storage testing harness (JetStress)aggregate numbers across all servers. with solution publishing guidelines. Test results are submittedMicrosoft recommends that the average disk drive read/write and thoroughly reviewed by Microsoft prior to posting on theperformance for the database and average write performance Microsoft website as well as vendor websites.for the log drives must each be less than 20 ms and the averagemaximum should be below 40 ms. In the tested configuration, IBMXIV provides ample Exchange response time headroom between the IBM was the very first vendor to complete ESRP-Storagerecommended target and even the worst-case average latency for submissions for Microsoft Exchange Server 2007 and 2010.database reads of 17 ms. Given a real-world Exchange deployment, The resulting ESRP solution/sizing guides for MicrosoftXIV should perform extremely well with a response time somewhere between the 2 and 17 ms response times for the tested configuration. Exchange Server 2010 with the IBM XIV Storage System, together with IBM System x3650 Intel processor-based servers,IBM XIV Gen3 Storage System Model 2810-114 120,000 were the first to showcase the scalability and capabilities of theMailbox Resiliency Exchange 2010 Storage Solution ESRP IBM XIV solution. This solution validates a 40,000-user emailMeasured Results environment using a very heavy mail profile1 and 1 GB mailbox Performance Parameter Value size. With XIV Storage System Gen3, IBM further demonstrates XIV capabilities to smoothly manage a very large Exchange Database I/O 2010 environment with 120,000 users. Database disks transfers/sec 16264.455 Database disks reads/sec 10048.637 The tested Exchange Server 2010 solutions implement the Database disks writes/sec 6215.818 new Mailbox Resiliency features in Exchange Server 2010, Average database disk read latency (ms) 16.9294444 specifically the database availability group (DAG) feature. Average database disk write latency (ms) 1.93183333 A DAG is a set of up to 16 Microsoft Exchange Server 2010 Transaction Log I/O Mailbox servers that work together to provide automatic Log disks writes/sec 5396.46 database-level recovery from a database, server or network failure. Average log disk write latency (ms) 0.496514 Mailbox servers in a DAG monitor each other for failures. Solutions that implement this feature can deliver a veryThis solution demonstrates the performance capabilities utilizing robust Exchange environment that is more reliable thantwo XIV Gen3 Storage System arrays and 24 System x3650 servers traditional systems.supporting a total of 120,000 mailboxes using a target 0.11 IOP profile (0.11 IOP—with added 20 percent headroom, 0.13 IOP astested). The mailbox size is 1 GB. The Gen3 ESRP demonstrates the benefits of the architectural improvements of SAS drives and InfiniBand fabric. The Gen3 platform is able to drive a significantly higher number of Exchange mailboxes within the same physical footprint as the second generation of XIV, which eases manageability, reduces storage sprawl and helps reduce environmental costs within the data center.
  3. 3. IBM Systems and Technology Group System StorageSolution BriefBuilt for Microsoft Exchange • Protection and compliance: Exchange Server 2010 deliversMicrosoft Exchange is primarily a transaction-oriented new, integrated email archiving and retention functionality,application using Extensible Storage Engine (ESE) databases including granular multi-mailbox search and immediate legalto store its messages and attachments. Over the years hold. Exchange Server 2010 also helps better protectMicrosoft Exchange Server has evolved into a more complete communications and email through centrally managedsolution. For example, Exchange 2003 introduced Recovery information control capabilities. Featuring the ability toStorage Groups and enhanced message journaling to help more effectively intercept, moderate, encrypt and block emailmeet recovery and compliance needs. Enhancements in messages, this functionality provides a flexible range ofExchange 2007 brought new high availability (HA) features as protection and control options, either to automaticallywell as refined journaling through transport-level rules. enforce controls or empower users to implement their ownExchange 2010 has removed all previous HA solutions in data protection.favor of the new resilient DAGs. As Microsoft Exchange evolves, this client-server technology• Flexible and reliable: The pressure to optimize IT demands high-performance, low-latency storage systems to infrastructure to respond to changing business conditions support its database and log files. The XIV family of storage demands agility, and that means investing in solutions that systems offers proven enterprise-class performance, solid provide organizational flexibility and choice. Exchange protection and ease of manageability to meet the most Server 2010 helps tailor deployment based on unique needs stringent storage requirements of the Microsoft Exchange for a simplified way to help keep email continuously available environment. Both IBM XIV and XIV Gen3 Storage Systems for users. are innovative, virtualized grid-based storage solutions with a• Client throttling: Exchange Server 2010 uses client self-tuning, self-healing architecture designed to provide throttling policies to manage the performance for an optimized and cost-effective storage. Exchange environment. Exchange tracks the resources that each user consumes and enforces connection bandwidth Differentiated by its inherent self-optimizing grid-based limits as necessary. Client throttling policies are managed architecture and massive parallelism, the XIV family using shell cmdlets that help ensure users are not automatically distributes data across all available storage intentionally or unintentionally taxing the system; users resources, harnessing all the processing power available to the with different connectivity methods can then proportionally system. Because of this design, hot spots normally associated share available resources, resulting in balanced performance with poor storage configuration and/or workload variances are across all users that helps ensure better quality of service eliminated. The XIV architecture continually optimizes and simpler system management. performance, thereby eliminating the need for complex and• Anywhere access: Enhancements in Exchange Server 2010 time-consuming storage tuning activities that are commonplace help user productivity with access to almost any in traditional storage products. communication—email, voice mail, instant messaging—from virtually any platform, web browser or device through XIV resiliency features help address unexpected failures as industry-standard protocols. Managing the flow of well as scheduled downtimes. Additionally, the IBM XIV information into and out of an individual’s inbox is time- family of storage systems can maintain availability and consuming and can affect productivity and profitability. In performance after an entire disk shelf is removed from the response to this challenge, Exchange Server 2010 adds new system. Competing storage systems would need to provide an productivity features that can help users more easily organize additional system along with replication software and an and effectively prioritize their communications. intelligent layer of software at the server level to help recover during a system failure. This is not only costly in terms of budget, but in terms of time to recover when a failure occurs. Finally, XIV is able to very quickly recover after multiple cascading module failures. XIV is able to continue to operate in the face of multiple shelf failures, providing the performance and availability that is required by today’s enterprise applications.
  4. 4. IBM Systems and Technology Group System StorageSolution Brief As businesses increase their reliance on email systems,IBM XIV Storage for Exchange Environments resilience in the face of unplanned outages becomes theReliability/protection requirement. The IBM XIV and XIV Gen3 Storage SystemsBy design, the architecture of the XIV family of storage systems is with proven grid architecture maintain availability andself-healing as data in the background is automatically checked for performance of Microsoft Exchange environments as theseintegrity and mirrored to provide data redundancy. Should the XIV losea disk drive, the system triggers an event alerting IBM support while scheduled or unscheduled outages arise.automatically rebuilding the data on the faulty disk. The disk rebuildprocess is transparently handled without user intervention and can IBM XIV Gen3 Storage System: Higherfinish in as little as 30 minutes even when the capacity of the XIV isfully utilized. Your Exchange environment becomes more reliable as performance for Exchange environmentsconsistent performance is maintained during the loss of a hard disk— The IBM XIV Gen3 Storage System carries on the XIVand the rebuild time of losing one disk does not degrade performance. tradition by providing consistent, high performance and highTraditional systems that utilize redundant array of independent disks(RAID) will experience degraded performance when a disk drive is reliability with a low total cost of ownership. XIV Gen3 useslost, as computing performance is sacrificed to rebuilding the lost the same software features as the previous generation and offersdata from a parity calculation, if an unused spare disk drive is even up to four times the performance using a high-speed InfiniBandavailable. Cold spare disk drives are costly resources that sit idleawaiting activation in the case of a disk failure. In contrast, an IBM internal interconnect, load balancing and the power of allXIV Storage System constantly leverages all available disk drives to system resources, innovative caching, and high-performinghelp ensure maximum performance and cost savings. CPUs combining to support higher performance. XIV Gen3Ease of management offers up to 180 2 TB SAS hard disk drives, up to 161 TB ofIn general, storage management can be a daunting task, requiring usable capacity in a single frame, up to 24 ports of 8 Gb Fibreextensive storage experience and specialized training. These are no Channel host connectivity, up to 22 ports of 1 Gb iSCSI hostlonger required, because the XIV and XIV Gen3 Storage Systems connectivity, and up to 360 GB of cache.provide a highly intuitive graphical user interface (GUI) called XIVStorage Management. In practice IBM XIV administrators haveprovisioned and delivered storage resources to their applications IBM Tivoli Storage FlashCopy Managerwithout training or services from IBM. A less-experienced storageadministrator with little or no XIV Storage System experience can for Microsoft Exchangeallocate storage and map volumes to hosts in less than 15 minutes. Complement your solution with IBM Tivoli StorageStorage management tasks take less time, allowing storage to be FlashCopy Manager, which enables individual mailbox andutilized faster. mail item restores of Microsoft Exchange servers from aExchange environment storage management tasks are easily handled snapshot backup. Tivoli Storage FlashCopy Manager utilizesautomatically by XIV, including provisioning, self-tuning of dataplacement, read/write cache tuning, resilience planning, self-healing, storage snapshot capabilities to provide high-speed, low-rebuilding of failed disk drives, and phasing-out or fencing of failed impact application data backup and restore functionality forcomponents. The XIV modular, redundant architecture dramatically application and storage environments. Automated policy-reduces the impact to service levels from such events. based management of multiple snapshot backup versions,Lower power consumption together with a simple and guided installation andThe XIV Gen3 is equipped with high-capacity SAS-2 disks. SAS-2 configuration process, provide an easy-to-use and quick-to-disk drives can provide significantly better investment value thanFibre Channel (FC) disks. SAS-2 disks also consume less power deploy data protection solution that can help meet the mostthan FC disks. Since SAS-2 disk drives are generally much higher in stringent Exchange recovery time requirements.capacity than FC disks while offering increased performance versusXIV second-generation Serial ATA (SATA) II disks at a similar price Tivoli Storage FlashCopy Manager also supports clusteredpoint, your Exchange environment may require less floor space,fewer hard drives, and less cooling and power for a given capacity. application environments (Microsoft Cluster Server and Veritas Cluster Server) on Microsoft Windows and MicrosoftPoint-in-time recovery with XIV snapshotsXIV family inherent snapshot capabilities deliver near-instantaneous Exchange 2007 continuous replication configurations: localreplicas of the Microsoft Exchange environment. The snapshot capabilities continuous replication (LCR), cluster continuous replicationwithin the IBM XIV Storage System Software utilize a metadata, (CCR) and standby continuous replication (SCR). Exchangeredirect-on-write design that allows snapshots to occur in a subsecondtime frame with very little performance overhead. Thousands Server 2010 DAG functionality is also fully supported.of full or differential copies can be taken. Any of the snapshots can bemade writable, and then snapshots can be taken of the newly writablesnapshots. Volumes can even be restored from these writable snapshots. Snapshots provide the ability to back up Exchange databases withminimal impact to production servers, and can also provide enhancedrecovery options through the Microsoft VSS framework.
  5. 5. IBM Systems and Technology Group System StorageSolution Brief Top five reasons to choose IBMOnline, near-instant snapshot backup and restore Microsoft Exchange environments experience dramaticallyof critical business application data improved performance and availability while improving total cost of ownership with IBM, based on the following benefits:Microsoft Exchange individual mailbox restore from asnapshot backup 1. Microsoft skills: IBM consultants, through the EnterpriseTivoli Storage FlashCopy Manager enables individual mailbox and Services for Microsoft Technologies Practice servicesmail item restores of Microsoft Exchange servers from a snapshotbackup. Capabilities provided: organization, provide a full range of services for customers• Support single or multiple user mailboxes who have selected Microsoft technology to help them• Restore selectable based on user name and date and time achieve maximum levels of performance and data protection specification• Recover the following mailbox items: for Microsoft Exchange environments. –– Inbox, deleted items, and drafts 2. Proven solutions: IBM leverages major Microsoft program –– Outbox, sent items, journal, and calendar initiatives, using Microsoft Partner and Technology Adoption –– Contacts, notes, tasks, and user folders (TAP) programs, including Microsoft Exchange Solution• Limit the scope of items to be restored based on filters such as sender name, subject texts, attachment name, folder name, message Reviewed Programs (ESRP) and the Exchange Tested delivery date and time range, message body, and all content Solutions Program to test, validate and qualify its storage (searches subject text, message body and attachment names) solutions, and furnishes IBM storage to various Microsoft• Recover the production Microsoft Exchange server into the original mailbox or an alternate mailbox and folder labs and the Enterprise Engineering Center (EEC) for• Recover into a .PST file internal and customer testing and proofs of concepts (POCs). IBM offers many complementary solutions for the ExchangeMicrosoft Exchange protection environment, including VSS-enabled backup and restore,• Snapshot restore of Microsoft Exchange storage groups disaster recovery, and archive solutions.• File-copy restore of a storage group or database from a mounted 3. Data protection: For the enterprise, IBM supports a wide snapshot image –– Restore into a recovery storage group, alternate storage variety of nondisruptive Exchange data protection solutions group or relocated storage group using Tivoli software including FastBack and FlashCopy• File-copy restore of transaction logs from incremental or differential Manager, Symantec NetBackup and Backup Exec, Microsoft backups• Back up from a passive database copy within a DAG DPM, and CommVault software. 4. Joint collaboration: Microsoft and IBM have been working together for over 25 years collaborating on joint initiatives and solutions. IBM is a Microsoft Gold Certified Partner. IBM System Storage® and IBM System x® hardware and software are used within Microsoft labs, and IBM has dedicated resources at Microsoft’s Redmond campus. 5. Helps to reduce costs: IBM offers storage that performs among the industry’s lowest total cost of ownership (TCO) solutions using storage system packaging and always- included functionality. What is the IBM advantage? You get some of the best storage products, technologies, services and solutions for your Microsoft Exchange environment, backed by proven expertise and flexible financing.
  6. 6. For more information about IBM System Storage forMicrosoft Exchange Environments, contact your IBMrepresentative or visit the following websites:Exchange 2010 Tested Solutions Whitepapers site: © Copyright IBM Corporation 2011 IBM CorporationIBM System Storage ISV solutions, complementary storage Integrated Marketing Communicationssolutions for Exchange: Systems and Technology Group Route 100 Somers, NY 10589isv_microsoft.html Produced in the United States October 2011IBM XIV Storage System: All Rights Reserved 1 A very heavy user profile is defined as 0.48 IOPs for Exchange Serverindex.html 2007, and 0.11 IOPs for Exchange Server 2010, and is approximately equivalent to a profile with 150 email receives, 50 email sends per day withIBM XIV documents within the Techdocs technical library: no deletions, and an average email size of 50 KB. The information in this document may be subject to change without notice. Consult your local IBM business contact for information on the products, features andWebDocs/?Search&Query=[HTMLDocumentName=WM*]+ services available in your area.AND+%28XIV%29&Start=1&Count=50&SearchOrder=1&S All statements regarding IBM future directions and intent are subject toearchMax=10000 change or withdrawal without notice and represent goals and objectives only. IBM, the IBM logo,, FlashCopy, Storage System, Tivoli and XIVMicrosoft ESRP v2.1 (Exchange Server 2007): are trademarks or registered trademarks of International Business Machines Corporation in the United States, other countries or both. These and other IBM trademarked terms are marked on their firstbb412164.aspx occurrence in this information with the appropriate symbol (® or ™), indicating US registered or common law trademarks owned by IBM at theMicrosoft ESRP v3.0 (Exchange Server 2010): time this information was published. A full list of U.S. trademarks owned by IBM may be found at: Intel and Intel Xeon are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. Microsoft, Windows, Windows NT, and the Windows logo are trademarks of Microsoft Corporation in the United States, other countries, or both. Please Recycle TSS03061-USEN-02