IBM XIV Storage System Copy Services and Migration

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Recovery Program at the Pentagon following the events of 9/11. He holds a Bachelor of Artsdegree as well a Bachelor of Science degree in Computer Science from Lynchburg College.Jawed Iqbal is an Advisory Software Engineer and a Team Lead for Tivoli Storage ManagerClient, Data Protection, and FlashCopy Manager products at the IBM Almaden ResearchCenter in San Jose, CA. Jawed joined IBM in 2000 and worked as Test Lead on several DataProtection products, including Oracle RDBMS Server, WebSphere®, MS SQL, MS Exchange,and Lotus® Domino® Server. He holds a master’s degree in Computer Science, a BBA inComputer Information Systems, and a bachelor’s degree in Math, Stats, and Economics.Jawed also holds an ITIL® certification.Christina Lara is a Senior Test Engineer currently working on the XIV storage test team inTucson, AZ. She just completed a 1-year assignment as a Assistant Technical Staff Member(ATSM) to the Systems Group Chief Test Engineer. Christina has just begun her ninth yearwith IBM, having held different test and leadership positions within the Storage Division overthat last several years. Her responsibilities included system level testing and field support teston both DS8000 and ESS800 storage products and test project management. Christinagraduated from the University of Arizona in 1991 with a BSBA in MIS and OperationsManagement. In 2002, she received her MBA in Technology Management from the Universityof Phoenix.Lisa Martinez is a Senior Software Engineer working in the DS8000 and XIV System TestArchitecture in Tucson, Arizona. She has extensive experience in Enterprise Disk Test. Sheholds a Bachelor of Science degree in Electrical Engineering from the University of NewMexico and a Computer Science degree from New Mexico Highlands University. Her areas ofexpertise include the XIV Storage System and IBM System Storage DS8000, including CopyServices, with Open Systems and System z®.Rosemary McCutchen has over 20 years of IT experience and is currently a CertifiedConsulting IT Specialist working in Storage ATS in IBM Gaithersburg. There she isresponsible for XIV customer demonstrations, proof of concepts, and workshops, as well asXIV beta testing. Rosemary has extensive hands-on experience with XIV and has authoredmultiple XIV white papers and XIV training documents.Hank Sautter is a Consulting IT Specialist with Advanced Technical Support in the U.S. Hehas 17 years of experience with S/390® and IBM disk storage hardware and Advanced CopyServices functions working in Tucson, Arizona. His previous 13 years of experience includeIBM Processor microcode development and S/390 system testing while working inPoughkeepsie, NY. He has worked at IBM for 30 years. Hank's areas of expertise includeenterprise storage performance and disaster recovery implementation for large systems andopen systems. He writes and presents on these topics. He holds a BS degree in Physics.Stephen Solewin is an XIV Corporate Solutions Architect based in Tucson, Arizona. He has13 years of experience working on IBM storage, including Enterprise and Midrange Disk, LTOdrives and libraries, SAN, Storage Virtualization, and software. Steve has been working onthe XIV product line since March of 2008, working with both clients and various IBM teamsworldwide. Steve holds a Bachelor of Science degree in Electrical Engineering from theUniversity of Arizona, where he graduated with honors.Anthony Vandewerdt is a Senior IT Specialist who currently works for IBM STG StorageSystems Sales in Australia. He has 21 years of experience providing pre-sales and post-salestechnical support at IBM. Anthony has extensive hands-on experience with nearly all IBMstorage products, especially DS8000, SVC, XIV, ESS800, and Brocade and Cisco SANswitches. He has worked in a wide variety of post-sales technical support roles includingcountry and Asia Pacific storage support. Anthony has also worked as an instructor for STGEducation.xiiIBM XIV Storage System: Copy Services and Migration
Ron Verbeek is a Senior Consulting IT Specialist with Storage and Data System Services,IBM Global Technology Services Canada. He has over 22 years of experience in thecomputing industry, with the last 10 years spent working on storage and data solutions. Heholds multiple product and industry certifications, including SNIA Storage Architect. Ronspends most of his client time in technical pre-sales solutioning, defining, and architectingstorage optimization solutions. He has extensive experience in data transformation servicesand information life-cycle consulting. He holds a Bachelor of Science degree in Mathematicsfrom McMaster University in Canada.Pete Wendler is a Software Engineer for IBM Systems and Technology Group, StoragePlatform, located in Tucson, Arizona. In his 10 years working for IBM, Peter has worked inclient support for enterprise storage products, solutions testing, and development of the IBMDR550 archive appliance. He currently holds a position in technical marketing at IBM. Peterreceived a Bachelor of Science degree from Arizona State University in 1999.Roland Wolf is a Certified IT Specialist in Germany. He has worked for IBM for 23 years andhas 15 years of experience with high-end disk storage hardware in S/390 and Open Systemsenvironments. He is working in Field Technical Sales Support for storage systems. His areasof expertise include performance analysis and disaster recovery solutions in enterprisesutilizing the unique capabilities and features of the IBM disk storage servers, DS8000 andXIV. He has contributed to various IBM Redbooks publications including ESS, DS80000Architecture, and DS8000 Copy Services. He holds a Ph.D. in Theoretical Physics.Special thanks to Rami Elron for his help with and advice on many of the topics covered inthis book.Thanks to the following people for their contributions to this project:John Bynum, Aviad Offer, Jim Segdwick, Brian Sherman, Juan YanesNow you can become a published author, too!Here's an opportunity to spotlight your skills, grow your career, and become a publishedauthor - all at the same time! Join an ITSO residency project and help write a book in yourarea of expertise, while honing your experience using leading-edge technologies. Your effortswill help to increase product acceptance and customer satisfaction, as you expand yournetwork of technical contacts and relationships. Residencies run from two to six weeks inlength, and you can participate either in person or as a remote resident working from yourhome base.Find out more about the residency program, browse the residency index, and apply online at:ibm.com/redbooks/residencies.htmlPrefacexiii
Page 1: Front coverIBM XIV Storage System:C
Page 4: Note: Before using this information
Page 8 and 9: 7.9.4 Host server cannot access the
Page 10 and 11: viiiIBM XIV Storage System: Copy Se
Page 12 and 13: TrademarksIBM, the IBM logo, and ib
Page 16 and 17: Comments welcomeYour comments are i
Page 18 and 19: 1.1 Snapshots architectureBefore we
Page 20 and 21: A logical volume is represented by
Page 22 and 23: If you know in advance that an auto
Page 24 and 25: An application can utilize many vol
Page 26 and 27: Note: The creation date of the dupl
Page 28 and 29: Along with these properties, the tr
Page 30 and 31: The GUI also lets you specify the d
Page 32 and 33: pointers to the original data are l
Page 34 and 35: For the second scenario, the origin
Page 36 and 37: Figure 1-28 no longer displays the
Page 38 and 39: To examine the details of the scena
Page 40 and 41: Restriction: Volumes in a consisten
Page 42 and 43: When created, the consistency group
Page 44 and 45: The new snapshots are created and d
Page 46 and 47: To obtain details about a consisten
Page 48 and 49: Example 1-12 illustrates the snap_g
Page 50 and 51: 1.5 MySQL database backup exampleMy
Page 52 and 53: Before running the backup script, a
Page 54 and 55: # XCLI command to perform the backu
Page 56 and 57: 40 IBM XIV Storage System: Copy Ser
Page 58 and 59: 2.1 OverviewThis section includes a
Page 60 and 61: Figure 2-2 shows the Tivoli Storage
Page 62 and 63: ►For exchange data, the Microsoft
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2.4.1 XIV VSS Provider installation
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Provide specific information regard
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The Windows server is now ready to
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3. The Requirements Check dialog wi
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5. The completion window shown in F
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To perform a VSS snapshot backup of
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CLUSTERnodePASSWORDAccessNOGenerate
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To see a list of the available VSS
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64 IBM XIV Storage System: Copy Ser
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3.1 Volume copy architectureThe vol
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Figure 3-2 provides an example of t
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After the copy is complete, power u
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4.1 XIV Remote Mirroring overviewTh
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►Host read operations are perform
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Figure 4-4 shows remote mirror conn
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4.2.2 Operational proceduresMirrori
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After mirroring has been implemente
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4.3 XIV Remote Mirroring usageRemot
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►Metro region plus out-of-region
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Figure 4-15 shows an XIV local snap
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►XIV target configuration: synchr
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►XIV target configuration: bi-dir
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Connections must be made between po
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In Figure 4-28, five of the seven e
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If multiple volumes will have depen
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there are certain additional constr
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In synchronous mirroring, during st
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4.4.11 Mirror reactivation and resy
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►►The volume mirroring settings
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4.4.16 Deleting mirror coupling def
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10.Unmap master peers at XIV 2 from
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6. Remove connectivity between the
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4.7 Advantages of XIV mirroringXIV
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As seen in Example 4-1, in the Role
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hover the mouse over a port, as sho
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Selecting Configure opens a configu
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Connections are easily defined by c
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4.11.3 XCLI examplesXCLI commands c
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124 IBM XIV Storage System: Copy Se
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5.1 Synchronous mirroring configura
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- Slave CG / VolumeThis is the name
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2. On the Secondary XIV go to the R
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Adding a mirrored volume to a mirro
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5.3 Role reversalWith synchronous m
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uncommitted data, and it is the res
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►►The local site recoveryThe ol
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Example 5-8 List mirror couplingsFi
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5.5.3 Phase 3: recovery of the prim
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Reactivating the remote mirror coup
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5.5.4 Phase 4: switching production
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5. Reassign volumes back to the pro
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6.1 Asynchronous mirroring configur
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The slave volume must be unlocked a
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Using XCLI for volume mirroring set
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consistency group requires the volu
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Go to the Mirroring panel and verif
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-- Activate Mirror CGmirror_activat
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Change RPO and intervalThe required
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Deactivation on the masterTo deacti
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6.2 Role reversalChanging roles can
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Slave peer consistencyWhen the user
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►►A disaster that makes the who
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6.5.2 Mirroring ongoing operationFo
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The sync job runs and the mirror st
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Mirror synchronization statusSynchr
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GUI steps to duplicate a snapshot g
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Figure 6-42 New master volumesAfter
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XCLI commands for DR testingFigure
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1514131211109876543210OKACID /Diag2
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An example of selecting which metho
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not presented to the XIV. Check you
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Figure 7-3 depicts a fabric-attache
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4. Enter another port (repeating st
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c. Name: Enter a cluster name in th
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Important: You cannot use the XIV d
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7.3.4 Create and activate a data mi
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Important: If this is an online mig
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►►►►►►►►Define host
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4. Click New for a new system varia
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- Source LUN: Enter the decimal val
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The rate parameters can only be set
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eing generated by the migration pro
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If you chose to allow the XIV to de
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that volume must have been deleted
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►The volume on the source non-XIV
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7.10.4 Back-out after a data migrat
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TasknumberCompleted?Where toperform
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Using Microsoft calculator to conve
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7.12.3 HDS TagmaStore USPIn this se
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In Example 7-10 the XCLI commands s
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1011 0003 10.0 5001738000230153 Nex
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Using XIV DM to migrate an AIX file
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zone: nextrazap_dolly_fcs110:00:00:
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We now allocate the ESS 800 LUNS to
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We can also use a script provided b
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We then get a warning message. The
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8.1 Steps to take when using SVC mi
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When a partially populated XIV has
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8.3.3 Hardware dependenciesThere ar
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This leads to the following recomme
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8.4.3 Creating XIV volumes that are
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If your SVC uses firmware Version 5
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2. Define the SVC nodes to the XIV
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2. List the newly detected MDisks,
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8.7.2 Using VDisk mirroring to move
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8.8.2 Create the MDisk groupWe must
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8.9.2 Create the MDisk groupWe must
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In Example 8-42 we display the prog
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When an SVC volume is created we no
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In Example 8-55, we monitor the mig
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The VDisk moves from being in image
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the additional Fibre Channel ports
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TasknumberCompleted?Where toperform
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► Fibre Channel SAN Configuration
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DR testingGUI steps 179DS4000 190,
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RRDAC 227-228reactivation 111Recove
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emote mirroring peers 110remote tar
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IBM XIV Storage System: CopyService
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