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SM-S out of sync - SnapMirror Synchronous Op timed out for the SnapMirror Synchronous Endpoint

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Applies to

  • ONTAP 9
  • SnapMirror Synchronous (SM-S)

Issue

SnapMirror Synchronous goes out of sync with the following error :
 
Wed May 03 08:30:57 +0200 [SrcNode1: sm_logger_main: sms.status.out.of.sync:error]:
Source volume "0bccbd5e-58a0-11ea-bda8-00a098ef8b2f:src_sync" and destination volume "ed2ba0aa-5d31-11ea-99ec-d039ea144ea8:dest_sync_dr" with relationship UUID "7db30ca1-6381-11ea-bbe1-d039ea144ea8" is in "out-of-sync" status due to the following reason: "Transfer failed.( SnapMirror Synchronous Op timed out for the SnapMirror Synchronous Endpoint.(Refer to the corresponding sms.status.out.of.sync EMS generated on the SnapMirror destination cluster for more details on the OutOfSync reason. If the SnapMirror destination does not generate an OutOfSync EMS this could be a transient failure during a resync operation.))"

 

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