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"sis auto scan" is triggered after breaking SnapMirror relationship

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Category:
ontap-9
Specialty:
core
Last Updated:

Applies to

  • ONTAP 9.6 and later
  • SnapMirror

Issue

  • SIS log (sis, sis.log) records the following events after breaking SnapMirror relationship.

Thu Jan 20 12:16:00 JST 2021 [Vserver UUID: XXXX-XXXX-XXXX-XXXX-XXXX] /vol/vol1 [sid: 1639019760] Begin (sis auto scan)
Thu Jan 20 12:16:00 JST 2021 [Vserver UUID: XXXX-XXXX-XXXX-XXXX-XXXX] /vol/vol1 [sid: 0] Info (Optimized scan)
Thu Jan 20 14:05:15 JST 2021 [Vserver UUID:XXXX-XXXX-XXXX-XXXX-XXXX] /vol/vol1 [sid: 1639019760] Sort (174470408 fp entries)
Thu Jan 20 14:07:47 JST 2021 [Vserver UUID: XXXX-XXXX-XXXX-XXXX-XXXX] /vol/vol1 [sid: 1639019760] Dedup Pass1 (0 dup entries)
Thu Jan 20 14:07:47 JST 2021 [Vserver UUID: XXXX-XXXX-XXXX-XXXX-XXXX] /vol/vol1 [sid: 1639019760] Dedup Pass2 (3867243 dup entries)
Thu Jan 20 14:07:55 JST 2021 [Vserver UUID: XXXX-XXXX-XXXX-XXXX-XXXX] /vol/vol1 [sid: 1639019760] Sharing (0 return status)
Thu Jan 20 14:12:33 JST 2021 [Vserver UUID: XXXX-XXXX-XXXX-XXXX-XXXX] /vol/vol1 [sid: 0] Info (Generating volume test1 from aggr test1)
Thu Jan 20 14:16:40 JST 2021 [Vserver UUID: XXXX-XXXX-XXXX-XXXX-XXXX] /vol/vol1 [sid: 1639019760] Stats (blks gathered 174470408,finger prints sorted 174470408,dups found 0,new dups found 3867243,blks deduped 3383420,finger prints checked 0,finger prints deleted 0)
Thu Jan 20 14:16:40 JST 2021 [Vserver UUID: XXXX-XXXX-XXXX-XXXX-XXXX] /vol/vol1 [sid: 1639019760] End (697881632 KB)
Thu Jan 20 14:16:40 JST 2021 [Vserver UUID: XXXX-XXXX-XXXX-XXXX-XXXX] /vol/vol1 [sid: 0] Info (Gathering Scanner completed for the volume)

  • SKTRACE log (sktrace.log) records the following events.

2021-01-20T14:16:00Z 49832878594141989    [11:0] DENSE_DEBUG:  dense_auto_gatherer_periodic_checks: AGS: Gathering op is queued sucessfully on vol1

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