Perform O-MDM Migration Session Operations Using Unisphere for PowerMax and SYMCLI. POWERMAX-OPERATE Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   An administrator is preparing to migrate a non-disruptive volume from an old VMAX to a PowerMax using SYMCLI. The source device is visible to the host as /dev/sdb. The administrator wants to create the migration session using the command line. Which SYMCLI command should be used to create the O-MDM migration session?

   • Asymdm create -type o-mdm -src /dev/sdb -tgt 1234 -nop
   • Bsymclone create -type o-mdm -src /dev/sdb -tgt 1234 -nop
   • Csymdm create -type migr -src /dev/sdb -tgt 1234 -nop
   • Dsymmig create -type o-mdm -src /dev/sdb -tgt 1234 -nop
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2. 2foundation · easy

   Which SYMCLI command displays the status and progress of O-MDM migration sessions?

   • Asymclone list
   • Bsymstat list
   • Csymcfg list
   • Dsymdm list
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4. 3foundation · easy

   An O-MDM migration session is stuck in the 'Migrating' state with no progress. What is a common cause?

   • AThe migration session was not created correctly
   • BThe source storage group is too small
   • CThe target array is out of capacity
   • DThe host is generating too much I/O
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5. 4foundation · easy

   Which statement best describes the scope of an O-MDM migration session?

   • AIt migrates only the metadata of storage groups, not the actual data
   • BIt migrates storage groups, including their associated volumes and snapshots, between arrays
   • CIt migrates data between different storage tiers within the same array only
   • DIt migrates individual LUNs only, without considering storage group relationships
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6. 5expert · hard

   A migration session is in 'CopyInProgress' and the administrator needs to perform a cutover to make the target the active volume. However, the application team reports that they are still writing to the source volume. What is the best course of action?

   • ACancel the migration and start over with a new session.
   • BPerform the cutover immediately to avoid data inconsistency.
   • CWait for the session to automatically cutover.
   • DPause the migration, stop the application writes, then perform the cutover.
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