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SIS changelog is getting full despite daily SIS jobs

Last Updated:

Applies to

  • ONTAP 9.10.1+
  • Storage efficiency


After updating to ONTAP 9.10.1 or greater, some volumes are encountering sis.changelog.full errors despite having a nightly efficiency schedule:
cluster1::> volume efficiency show -fields schedule
vserver       volume  schedule
------------- ------- ----------
svm1_cluster1 TestVol mon-sun@23
cluster1::> event log show -message-name sis.changelog.full
Time                Node             Severity      Event
------------------- ---------------- ------------- ---------------------------
5/9/2023 13:33:27   cluster1-01      ERROR         sis.changelog.full: SIS change logging metafile for volume TestVol is full.
1 entries were displayed.
  • Some scheduled efficiency jobs complete immediately:
cluster1::> volume efficiency show -volume TestVol -fields last-success-op-begin ,last-success-op-end
vserver       volume  last-success-op-begin    last-success-op-end
------------- ------- ------------------------ ------------------------
svm1_cluster1 TestVol Mon Jan 09 13:20:25 2023 Mon Jan 09 13:20:25 2023

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