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SnapMirror fails with network error CSM An operation did not complete within the specified timeout window

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Category:
snapmirror
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dp
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Applies to

  • Ontap 9.x
  • SnapMirror

Issue

  • SnapMirror updates for particular relationship always fail with an error Transfer failed. (Replication operation request failed from "Cluster Id", "Node Id" to "Cluster Id", "Node Id" due to a network error (CSM: An operation did not complete within the specified timeout window.))
  • Restarting the update with cleaning checkpoints fails with the same error on the same amount of data transferred
  • Other SnapMirror relationships between same clusters/vserver may work fine
  • In some cases modifying the relationship too -type DP, transfer works fine

 

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