Data ONTAP 9.x
- Dense subsystem issues can be seen from different types of SnapMirror operations, such as (Update, Resync, Initialization, Restore).
- SnapMirror resync is failing with below error:
[Cluster: sm_logger_main: smc.snapmir.resync.fail:error]: Resync from source volume 'SVM1:VOL1' to destination volume 'SVM2:VOL2' failed with error 'Failed to start transfer for Snapshot copy "snapmirror.UUID_SN.Year-MM-DD_TIME".(Failed to start transfer.(Replication operation failed because of error in dense subsystem))'. Relationship UUID 'UUID'.
Tue Sep 26 01:30:34 EDT 2017 ScheduledUpdate[Sep 26 01:12:00]:25335912-a00c-11e7-bfd1-00a098b44571 Operation-Uuid=bbb93bef-42df-4b05-8974-3993aa7ed614 Group=none Operation-Cookie=0 action=Defer source=src_svm:src_vol destination=dr_svm:dr_vol status=Failure message=Failed to start transfer for Snapshot copy "hourly.2017-09-26_0010".(Failed to start transfer.(Replication operation failed because of error in dense subsystem))