IBM XIV Storage System Copy Services and Migration

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TasknumberCompleted?Where toperformTask4 Host Shut down the application.5 Host Set the application to not start automatically at reboot. This helps whenperforming administrative functions on the server (upgrades of drivers, patches,and so on).6 Host UNIX servers: Comment out disk mount points on affected disks in the mountconfiguration file. This helps with system reboots while configuring for XIV.7 Host Shut down affected servers.8 Fabric Change the active zoneset to exclude the SAN zone that connects the hostserver to non-XIV storage and include the SAN zone for the host server to XIVstorage. The new zone should have been created during site setup.9 Non-XIVstorage10 Non-XIVstorageUnmap source volumes from the host server.Map source volumes to the XIV host definition (created during site setup).11 XIV Create data migration pairing (XIV volumes created on the fly).12 XIV Test XIV migration for each volume.13 XIV Start XIV migration and verify it. If you want, wait for migration to finish.14 Host Boot the server. (Be sure that the server is not attached to any storage.)15 Host If co-existence of non-XIV and XIV multi-path software is not allowed, removenon-XIV multi-pathing software.16 Host Install patches, update drivers, and HBA firmware as necessary.17 Host Install the XIV Host Attachment Kit. (Be sure to note prerequisites.)18 Host Shut down the host server.19 XIV Map XIV volumes to the host server. (Use original LUN IDs.)20 Host Boot the server.21 Host Verify that the LUNs are available and that pathing is correct.22 Host UNIX servers: Update mount points for new disks in the mount configuration fileif they have changed.23 Host Start the application.24 Host Set the application to start automatically if this was previously changed.25 XIV Monitor the migration if it is not already completed.26 XIV When the volume is synchronized delete the data migration (do not deactivatethe migration).27 Non-XIVStorageUn-map migration volumes away from XIV if you must free up LUN IDs.28 XIV Consider re-sizing the migrated volumes to the next 17 GB boundary if the hostoperating system is able to use new space on a re-sized volume.29 Host If XIV volume was re-sized, use host procedures to utilize the extra space.222 IBM XIV Storage System: Copy Services and Migration
TasknumberCompleted?Where toperformTask30 Host If non-XIV storage device drivers and other supporting software were notremoved earlier, remove them when convenient.When all the hosts and volumes have been migrated there are two site clean up tasks left, asshown in Table 7-3.Table 7-3 Site cleanup check listTask number Completed? Where to perform Task1 XIV Delete migration pathsand targets.2 Fabric Delete all zonesrelated to non-XIVstorage including thezone for XIV migration.3 Non-XIV storage Delete all LUNs andperform secure datadestruction if required.7.12 Device-specific considerationsThe XIV supports migration from practically any SCSI storage device that has Fibre Channelinterfaces. This section contains device-specific information, but it is not an exhaustive list.Ensure that the following requirements are understood for your storage device:LUN0LUN numberingMultipathingDefinitionsDo we need to specifically map a LUN to LUN ID zero? Thisdetermines whether you will have a problem defining the paths.Does the storage device GUI or CLI use decimal or hexadecimal LUNnumbering? This determines whether you must do a conversion whenentering LUN numbers into the XIV GUI.Is the device active/active or active/passive? This determines whetheryou define the storage device as a single target or as one target perinternal controller or service processor.Does the device have specific requirements when defining hosts?Converting hexadecimal LUN IDs to decimal LUN IDsWhen mapping volumes to the XIV it is very important to note the LUN IDs allocated by thenon-XIV storage. The methodology to do this varies by vendor and device. If the device useshexadecimal LUN numbering then it is also important to understand how to converthexadecimal numbers into decimal numbers, to enter into the XIV GUI.Using a spreadsheet to convert hex to decimalMicrosoft Excel and Open Office both have a spreadsheet formula known as hex2dec. If, forexample, you enter a hexadecimal value into spreadsheet cell location A4, then the formula toconvert the contents of that cell to decimal is =hex2dec(A4). If this formula does not appear towork in Excel then add the Analysis ToolPak (within Excel go to the Tools menu Addins Select Analysis ToolPak).Chapter 7. Data migration 223
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Front coverIBM XIV Storage System:C
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Note: Before using this information
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7.9.4 Host server cannot access the
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viiiIBM XIV Storage System: Copy Se
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TrademarksIBM, the IBM logo, and ib
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Recovery Program at the Pentagon fo
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Comments welcomeYour comments are i
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1.1 Snapshots architectureBefore we
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A logical volume is represented by
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If you know in advance that an auto
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An application can utilize many vol
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Note: The creation date of the dupl
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Along with these properties, the tr
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The GUI also lets you specify the d
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pointers to the original data are l
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For the second scenario, the origin
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Figure 1-28 no longer displays the
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To examine the details of the scena
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Restriction: Volumes in a consisten
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When created, the consistency group
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The new snapshots are created and d
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To obtain details about a consisten
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Example 1-12 illustrates the snap_g
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1.5 MySQL database backup exampleMy
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Before running the backup script, a
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# XCLI command to perform the backu
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40 IBM XIV Storage System: Copy Ser
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2.1 OverviewThis section includes a
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Figure 2-2 shows the Tivoli Storage
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►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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Page 190 and 191: The sync job runs and the mirror st
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Page 194 and 195: GUI steps to duplicate a snapshot g
Page 196 and 197: Figure 6-42 New master volumesAfter
Page 198 and 199: XCLI commands for DR testingFigure
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Page 204 and 205: An example of selecting which metho
Page 206 and 207: not presented to the XIV. Check you
Page 208 and 209: Figure 7-3 depicts a fabric-attache
Page 210 and 211: 4. Enter another port (repeating st
Page 212 and 213: c. Name: Enter a cluster name in th
Page 214 and 215: Important: You cannot use the XIV d
Page 216 and 217: 7.3.4 Create and activate a data mi
Page 218 and 219: Important: If this is an online mig
Page 220 and 221: ►►►►►►►►Define host
Page 222 and 223: 4. Click New for a new system varia
Page 224 and 225: - Source LUN: Enter the decimal val
Page 226 and 227: The rate parameters can only be set
Page 228 and 229: eing generated by the migration pro
Page 230 and 231: If you chose to allow the XIV to de
Page 232 and 233: that volume must have been deleted
Page 234 and 235: ►The volume on the source non-XIV
Page 236 and 237: 7.10.4 Back-out after a data migrat
Page 240 and 241: Using Microsoft calculator to conve
Page 242 and 243: 7.12.3 HDS TagmaStore USPIn this se
Page 244 and 245: In Example 7-10 the XCLI commands s
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Page 248 and 249: Using XIV DM to migrate an AIX file
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Page 252 and 253: We now allocate the ESS 800 LUNS to
Page 254 and 255: We can also use a script provided b
Page 256 and 257: We then get a warning message. The
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Page 260 and 261: 8.1 Steps to take when using SVC mi
Page 262 and 263: When a partially populated XIV has
Page 264 and 265: 8.3.3 Hardware dependenciesThere ar
Page 266 and 267: This leads to the following recomme
Page 268 and 269: 8.4.3 Creating XIV volumes that are
Page 270 and 271: If your SVC uses firmware Version 5
Page 272 and 273: 2. Define the SVC nodes to the XIV
Page 274 and 275: 2. List the newly detected MDisks,
Page 276 and 277: 8.7.2 Using VDisk mirroring to move
Page 278 and 279: 8.8.2 Create the MDisk groupWe must
Page 280 and 281: 8.9.2 Create the MDisk groupWe must
Page 282 and 283: In Example 8-42 we display the prog
Page 284 and 285: When an SVC volume is created we no
Page 286 and 287: 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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IBM XIV Storage System Copy Services and Migration

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