SnapMirror fails with CSM: Temporary failure due to backpressure
Applies to
- ONTAP 9
- SnapMirror
Issue
- Some or all SnapMirror relationships replicating to a specific destination cluster node might start failing with the following error, as seen in the
snapmirror show
command or/etc/log/snapmirror_audit
logs.
Sun Jan 01 00:00:00 UTC 2016 CreateSnapshotDest[Jan 01 00:00:00]:12345678-1234-1234-1234-123456789012 action=Defer source=SVMSource:SourceVol destination=SVMDestination:DestinationVol status=Failure message=Failed to create Snapshot copy snapmirror.01234567-1234-1234-1234-123456789012_0123456789.2016-01-01_000000 on volume SVMSource:SourceVol.(CSM: Temporary failure due to backpressure.)
- In this issue, the SnapMirrors do not recover on their own.