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Storage efficiency never completes and restarts with the "sis.chkpoint.restore.failed" error

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Category:
ontap-9
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CORE
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Applies to

  • ONTAP 9
  • Storage efficiency (deduplication)
  • SnapMirror or SnapVault

Issue

The efficiency operation fails to restore from the last checkpoint after a SnapMirror or SnapVault update has stopped it. This causes the operation to restart from the beginning continuously. 

  • EMS log:

Fri Oct 08 03:00:42 +0000 [cluster-02: f: sis.chkpoint.restore.failed:error]: SIS operation on the volume '/vol/vol1@vserver:5ee40c5d-0f0e-11eb-a2a6-d039ea20e14f' failed to restore from a previous checkpoint. Starting SIS operation from the beginning.

  • SIS-log:

Fri Oct 8 03:00:16 UTC 2021 [Vserver UUID: 5ee40c5d-0f0e-11eb-a2a6-d039ea20e14f] /vol/vol1 [sid: 0] Error (Operation was stopped )
Fri Oct 8 03:00:42 UTC 2021 [Vserver UUID: 5ee40c5d-0f0e-11eb-a2a6-d039ea20e14f] /vol/vol1 [sid: 0] Info (sis start vault)
Fri Oct 8 03:00:42 UTC 2021 [Vserver UUID: 5ee40c5d-0f0e-11eb-a2a6-d039ea20e14f] /vol/vol1 [sid: 1633661733] Warning (Unable to restore the checkpoint from stage: Sorting with err: 61)

  • SKtrace:

2021-10-08T03:00:42Z 45712550547106644 [11:0] DENSE_DEBUG: dense_bktsort_checkpoint_valid: CHK_PT restore : i [40] hdr seg count[39]
2021-10-08T03:00:42Z 45712550598590700 [2:0] DENSE_DEBUG: dense_restore_prev_checkpoint: Failed with err:[61] to restore checkpoint at stage :[8]

 

 

 

 

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