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What are the Ontap SnapMirror relationship status and SnapMirror State meanings?

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Applies to

  • ONTAP 9
  • clustered Data ONTAP 8
  • Data ONTAP 7-mode
  • SnapMirror – DP and XDP

Answer

  • The below SnapMirror state and relationship status are universal to Both 7 mode and Cluster Mode Data ONTAP.
  • You can access and view this information from within the Data ONTAP command line:

7-mode:
snapmirror status -l
Cluster-mode:
snapmirror show -instance 



Snapmirror Relationship Statuses
RELATIONSHIP STATE  MEANING NOTES
Idle No transfer operation is in progress and future transfers are not disabled. This is a normal State that does not need corrective action.
Queued A transfer operation has been accepted and queued in the system, and future transfers are not disabled  
Transferring A transfer operation is in progress and future transfers are not disabled. You can use snapmirror abort to Stop a in progress transfer. This will place the Mirror in a unhealthy state and back into Idle.
Preparing Pre-transfer phase for incremental transfers. For SnapMirror Type-XDP relationships only. This is a System Process. If a relationship is spending an excessive amount of time Preparing, please contact the support team for assistance.
Finalizing Post-transfer phase for incremental transfers. Network traffic will be low as processing is primarily on the destination volume. For SnapMirror Type-XDP relationships only. This is a System Process. If a relationship is spending an excessive amount of time Finalizing, please contact the support team for assistance.
Aborting A transfer abort operation that may include the removal of the checkpoint is underway. Future transfers are not disabled. Only for relationships with  "Relationship Capability" of "8.2 and above".  
Quiesced No transfer operation is in progress and future transfers are disabled. Snapmirror resume can be used to resume scheduled updates.
Quiescing A transfer operation is in progress and future transfers are disabled. Quiescing can take a while on Vault relationships, however if excessive please contact the Support team for assistance.
Checking Destination volume is undergoing a diagnostic check, no transfer is in progress, and future transfers are not disabled. Only for relationships with "Relationship Capability" of "Pre 8.2". This is a System Process. If a Vault relationship is spending an excessive amount of time Checking, please contact the support team for assistance.
Breaking The SnapMirror relationship is being broken off and no transfer is in progress. This is a System Process. If a Vault relationship is spending an excessive amount of time Breaking, please contact the support team for assistance.

Snapmirror Mirror States  
MIRROR STATE MEANING NOTE
Uninitialized Destination volume has not
been initialized.
This is the default state when a relationship is created. The mirror will show un-initialized until the initialization completes successfully.
Snapmirrored Destination volume has been
initialized and is ready to receive SnapMirror updates.
 
Broken-off Destination volume is RW and snapshots are present. Breaking off a relationship changes it to become read/writable and allows you to use it like a normal volume. To put the volume back into a Snapmirrored state you will need to use the Snapmirror resync command. This is dependent on the relationship having a common snapshot, if it does not the source volume will have to be reprotected.

 

Additional Information

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