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What happens and what need to do for scheduled SnapMirror operations when IC network outage?

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ontap-9
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DP
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Applies to

  • ONTAP 9
  • SnapMirror
  • InterCluster(IC) network outage/recovery scenario or planned network maintenance

Answer

  • During intercluster network outages, scheduled SnapMirror operations continue to attempt transfers and show a "Transferring" status in the snapmirror show command, even after 8 retry attempts.

::> snapmirror show
                                                                           Progress
Source            Destination Mirror  Relationship   Total             Last
Path        Type  Path        State   Status         Progress  Healthy Updated
----------- ---- ------------ ------- -------------- --------- ------- --------
cluster1_svm1:cluster1_svm1_inventory
                XDP  cluster2_svm1:cluster1_svm1_inventory_dest
                                  Snapmirrored
                                          Transferring   0B        false   08/05 02:00:30

  • Once the network is restored, SnapMirror automatically resumes transfers at the next scheduled interval. 

  • No manual action is required to resume scheduled SnapMirror operations after recovery.

Additional Information

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