IBM XIV Storage System Copy Services and Migration

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Note: Before using this information and the product it supports, read the information in “Notices” onpage ix.First Edition (April 2010)This edition applies to Version 10, Release 2.1, of the XIV Storage System software.© Copyright International Business Machines Corporation 2010. All rights reserved.Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP ScheduleContract with IBM Corp.
Page 1: Front coverIBM XIV Storage System:C
Page 7 and 8: 5.4.1 Last consistent snapshot . .
Page 9 and 10: 8.9.3 Set up the IO group for mirro
Page 11 and 12: NoticesThis information was develop
Page 13 and 14: PrefaceThis IBM® Redbooks® public
Page 15 and 16: Ron Verbeek is a Senior Consulting
Page 17 and 18: 1Chapter 1.SnapshotsThe XIV Storage
Page 19 and 20: When a logical volume or LUN is cre
Page 21 and 22: It is important to note that data o
Page 23 and 24: For the further discussion we must
Page 25 and 26: The new snapshot is displayed in Fi
Page 27 and 28: 1.2.2 Viewing snapshot detailsAfter
Page 29 and 30: After clicking Change Deletion Prio
Page 31 and 32: Figure 1-19 illustrates selecting t
Page 33 and 34: There are two scenarios that you mu
Page 35 and 36: The locking process completes immed
Page 37 and 38: 1.2.9 Automatic deletion of a snaps
Page 39 and 40: To determine the cause of removal,
Page 41 and 42: In order to obtain details about th
Page 43 and 44: After selecting the volumes to add,
Page 45 and 46: In addition to the snapshot functio
Page 47 and 48: From the Snapshots Group Tree view,
Page 49 and 50: 1.4 Snapshot with Remote MirrorXIV
Page 51 and 52: The backup script is simple, and de
Page 53 and 54: To show that the restore operation
Page 55 and 56:
You can start the MySQL daemon with
Page 57 and 58:
2Chapter 2.Tivoli Storage FlashCopy
Page 59 and 60:
Tivoli Storage FlashCopy Manager (F
Page 61 and 62:
2.3.1 VSS architecture and componen
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►Redirect-on-write (differential
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In the next step you can specify th
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3. When the validation is successfu
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The configuration process for Micro
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4. In this configuration step, the
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Tip: Any previously taken snapshots
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DATEformat ........................
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Writer Status: OnlineSelectable Com
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FlashCopy Manager for Microsoft Exc
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3Chapter 3.Volume copyThe XIV Stora
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Figure 3-1 illustrates making a cop
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To perform the volume copy:1. Valid
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4Chapter 4.Remote MirroringThe Remo
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►►Asynchronous schedule interva
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4.2 Mirroring schemesMirroring, whe
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The various mirroring role status o
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4.2.3 Mirroring statusThe status of
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The following states or statuses ar
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►Metro region XIV Remote Mirrorin
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Like any continuous or near-continu
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XIV Remote Mirroring copies data fr
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►XIV target configuration: synchr
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4.4.3 Connecting XIV mirroring port
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In Figure 4-26, seven logical volum
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Dependent writes: normal operationA
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When a mirror coupling relationship
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During normal operation, a single X
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4.4.10 Changing role of master volu
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4.4.12 Reactivation, resynchronizat
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To remove a volume mirror from a mi
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4.5 Best practice usage scenariosTh
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4.5.3 Using an extra copy for DRThi
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4.5.7 Communication failureThis sce
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►►►Snapshots: Snapshots are a
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Alternatively, a single port can be
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In the event that a port role does
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Then define the type of mirroring t
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Right-click a path and you have opt
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4.12 Configuring Remote MirroringCo
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5Chapter 5.Synchronous Remote Mirro
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The Create Mirror dialogue box is d
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2. On the primary XIV, to list the
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To create a mirrored consistency gr
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The mirror has the following charac
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Changing the slave peer roleThe rol
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5.4.2 Last consistent snapshot time
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5.5.2 Phase 2: disaster at local si
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Map volumes on standby server and c
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2. You will be prompted to confirm
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Reactivating the remote mirror coup
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Figure 5-28 Switch role to slave vo
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6Chapter 6.Asynchronous Remote Mirr
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Using the GUI for volume mirror set
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When volumes are to be placed in a
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Activating the remote mirror coupli
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Adding a mirrored volume to a mirro
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Figure 6-15 Slave CG statusThe Cons
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6.1.3 Coupling activation, deactiva
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Figure 6-19 Change CG intervalUsing
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Using XCLI commands for deactivatio
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After this changeover, the followin
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Using XCLI commands to change roles
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3. The most_recent data is copied t
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This mechanism bears the following
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3. A new last_replicated snapshot i
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Mirrored volumes have been placed i
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6.7.3 DR testing scenarioIt is impo
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Figure 6-45 Slave role restoredAny
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The XIV system has a sophisticated
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7Chapter 7.Data migrationThis chapt
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eceiving read requests from a host,
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►this technology during data migr
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Zone or cable the XIV to the non-XI
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Define non-XIV storage device to XI
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In Figure 7-7 the connection from m
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4. Zone the host to XIV. The host m
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management panels. In Figure 7-8 on
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3. Bring the host server online.Onc
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All of the commands given on the ne
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►►►►If the data migration i
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xcli -m 10.10.0.10 dm_activate vol=
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7.6.1 Changing the synchronization
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ack end copy). They do, however, sh
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Writing zeros to recover spaceOne w
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To resize a volume go to the Volume
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7.9.2 Remote volume LUN is unavaila
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7.9.6 LUN is out of rangeXIV curren
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Table 7-1 Physical site setupTable
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TasknumberCompleted?Where toperform
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LUN0There is a requirement for the
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4. Click Present.5. Select the XIV
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You can now create a host definitio
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Multipathing with DS8000The DS8000
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These volumes are currently allocat
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Finally, we can define the AIX host
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Now that the migration has been sta
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Once the sync is complete it is tim
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We change the number of 512 byte un
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8Chapter 8.SVC migration with XIVTh
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The XIV firmware version can also b
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8.3.2 Determining XIV WWPNsXIV WWPN
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8.4.1 SCSI queue depth consideratio
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It also must be clearly understood
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the data from each extent best util
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In Example 8-10 the MDisk group has
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8. Map the volumes to the SVC clust
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Example 8-24 Rename the MDisks6. Re
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3. We migrate each VDisk to image m
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When the lsmigrate command returns
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emote_copy_free_memory 20.0MBmirror
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8.9.6 Removing the VDisk copyNow th
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The XIV GUI volume creation panel i
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We now use the unmanaged MDisk to c
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8.11 Future configuration tasksThe
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product_revision 10.0ctrl_s/nallow_
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Related publicationsThe publication
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IndexSymbols_Define_Target_(Legacy
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actual data 98additional Snapshot 1
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Storage Pool 6, 10, 21additional al
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IBM XIV Storage System: CopyService
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Back cover®IBM XIV Storage System:
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IBM XIV Storage System Copy Services and Migration

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