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Why is snapmirror slow for only one relationship

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Category:
ontap-9
Specialty:
dp
Last Updated:

Applies to

  • ONTAP 9
  • SnapMirror

Answer

  • SnapMirror transfers with a high transfer size may cause delayed updates
  • Relationship's update schedule kicked off while a previous update operation was still running

snapmirror_audit logs

Fri Jul 9 02:50:38 CEST 2021 DelayedUpdate[Jul 9 01:23:00]: Operation-Uuid= Group=none Operation-Cookie=0 action=Start source=: destination=:

Fri Jul  9 02:50:38 CEST 2021 DelayedUpdate[Jul  9 01:23:00]:Operation-Uuid= Group=none Operation-Cookie=0 action=End source= destination= status=Success bytes_transferred=130583077184 network_compression_ratio=1.0:1 transfer_desc=Logical Transfer with Storage Efficiency - Optimized Directory Mode Note=Delayed update operation is queued.

Additional Information