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How to determine if a volume move is optimized

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Category:
ontap-9
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core
Last Updated:
2/16/2024, 1:11:52 AM

Applies to

  • ONTAP 9
  • FabricPool
  • Volume Move

Answer

ONTAP 9.12.1 and higher

::> event log show -node * -message-name mgmtgwd.volmove* -severity *
Time                Node             Severity      Event
------------------- ---------------- ------------- ---------------------------
7/26/2022 02:52:05  node-01          NOTICE        mgmtgwd.volmove.notoptimized: Volume move operation from source aggregate "aggr3" to destination aggregate "aggr2" of volume "vol1" on Vserver "vs1" might need to copy data from existing objects in the capacity tier.
7/26/2022 02:47:13  node-01          NOTICE        mgmtgwd.volmove.optimized: Volume move operation from source aggregate "aggr2" to destination aggregate "aggr1" of volume "vol1" on Vserver "vs1" avoided copying data from existing objects in the capacity tier.

Other versions

Search mgwd.log files for the following text:

[kern_mgwd:info:2140] 0x82e8c1300: 8603e80000000378: WARNING: VOPL::VolMove: 105 Volume Move Job Configuration Information: job serialization id: 89c1038c-ed98-473d-93f3-b6ea92438b19 sourceVolume: myfg__0001 dstAggrName: fp_aggr2 isDestinationPresent: 0 cutover_window: 30 cutover_attempts: 3 cutover_action: 4 balancerMove: 0bypass-throttling: 0skip_delta_calculation: 0old_job_id: 0tiering_policy: alltiering_minimum_cooling_days: 0 isVolMoveByRef: 1 srcVolBufTreeUuid: 5fe73176-fd78-430b-8841-8ded61c44682srcVolUuid: 2e73f3ce-7f50-11ea-806f-00a098d6d485srcVolBtidCookie: 6541 srcPrimaryConfigId: 1srcMirrorConfigId: 0dstPrimaryConfigId: 1dstMirrorConfigId: 0

  • If isVolMoveByRef = 1, then the volume move is FabricPool optimized.
  • If isVolMoveByRef = 0, then the volume move is not FabricPool optimized.

 

Additional Information

N/A

 

 

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