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SnapMirror transfers fail with checksum mismatch or unmarshal errors

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Category:
snapmirror
Specialty:
dp
Last Updated:

Applies to

ONTAP 9

Issue

  • SnapMirror transfers fail with one or more of the following checksum or integrity errors as displayed in the /etc/log/snapmirror_audit logs on the SnapMirror destination:
    Fri Dec 01 10:00:00 EST 2015 ScheduledUpdate[Dec 01 09:30:00]:67890123-a123-a123-a123-123456789012 action=Defer source=sourceSVM:sourceVolume destination=destinationSVM:destinationVolume status=Failure message=Transfer failed.(Checksum mismatch(Replication engine error))
    Fri Dec 01 10:00:00 EST 2015 ScheduledUpdate[Dec 01 09:30:00]:67890123-a123-a123-a123-123456789012 action=Defer source=sourceSVM:sourceVolumedestination=destinationSVM:destinationVolume status=Failure message=Transfer failed.(Checksum mismatch(Other error))
    Fri Dec 01 10:00:00 EST 2015 ScheduledUpdate[Dec 01 09:30:00]:67890123-a123-a123-a123-123456789012 action=Defer source=sourceSVM:sourceVolumedestination=destinationSVM:destinationVolume status=Failure message=Transfer failed.(Replication operation integrity check failed due to transmission glitch or network issue.)
    Failed to start transfer for Snapshot copy "daily.xxxx-xx-xx-xxxx". (CSM: Operation referred to a non-existent session.)
    Failed to get information for source volume "SVM1:Vol1" for setup of transfer. (CSM: Operation referred to a non-existent session.)
  • SnapMirror may also (or alternatively) fail with one or more of the following Cluster Session Manager (CSM) unmarshaling errors:
    Fri Dec 01 10:00:00 EST 2015 ScheduledUpdate[Dec 01 09:30:00]:67890123-a123-a123-a123-123456789012 action=Defer source=sourceSVM:sourceVolumedestination=destinationSVM:destinationVolume status=Failure message=Failed to get information forsource volume "sourceSVM:sourceVolume" for setup of transfer.(Internal error: failed to unmarshal SnapMirror control operation data.)
    Fri Dec 01 10:00:00 EST 2015 ScheduledUpdate[Dec 01 09:30:00]:67890123-a123-a123-a123-123456789012 action=Defer source=sourceSVM:sourceVolumedestination=destinationSVM:destinationVolume status=Failure message=Transfer failed.(Error unmarshaling replication operation data on Cluster Id: a988b145-ab97-11e4-ab5e-123478563412, Node Id: 0b312839-3591-11ea-bf38-d039ea131e94(idl unexpected case))

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