SnapMirror relationships report a Preparing relationship status

Applies to

• ONTAP 9
• SnapMirror
• SnapVault
• Unified Replication

Issue

• snapmirror show  or OnCommand System Manager reports a SnapMirror Relationship Status of  "Preparing" for a significant amount of time.

ClusterA::> snapmirror show
                                                                         Progress
Source             Destination  Mirror  Relationship   Total             Last
Path         Type  Path         State   Status         Progress  Healthy Updated
-----------  ----  ------------ ------- -------------- --------- ------- --------
svmSource:volSource
             XDP   svmDest:volDest
                                Snapmirrored
                                        Preparing       98.17GB  true    01/01 12:00:00

• The Preparing operation may run longer and appear to transfer more data than a typical update operation.
• In some cases, scheduled updates will be missed causing the relationship to report unhealthy with the error: Scheduled update was delayed because another SnapMirror operation for the relationship is in progress