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The customer uses scripts to refresh snapshots (the Refresh option allows a snapshot to be updated with the current data within the parent LUN.):> uemcli -d xxx.xxx.xxx.xxx -user xxxxxx -p xxxxxx -silent /prot/snap -name <snapshotname> refresh Sometimes the refresh job fails with the following error:The attach operation failed because the snapshot is being copied. Retry the operation after the copy has completed. (Error Code:0x716d806a) \\SPlog.txt A 06/28/18 11:02:32.999 mlu 16d0004 [INFO] System: Request received to attach snapshot trade2_snap. Snapshot is a Snapset, OID is 0x1400000135. A 06/28/18 11:02:33.088 mlu 12d8106 [ERROR] System: Could not complete operation Attach Snapshot due to 0xC16D806A. Operation Status: 0xC16D806A, <<<=== Commit Status: 0x0. A 06/28/18 11:02:39.555 SnapshotPlugin 60003b [ERROR] Audit: The system failed to refresh a storage resource snapshot root/emc:EMC_UEM_SnapGroupLeaf%InstanceID=85899346229. A 06/28/18 11:02:40.571 mlu 16d0004 [INFO] System: Request received to attach snapshot trade2_snap. Snapshot is a Snapset, OID is 0x1400000135. A 06/28/18 11:02:40.624 mlu 16d0005 [INFO] System: Request to attach snapshot trade2_snap completed successfully. However, there is no snapshot copy operation running in the background.
The issue normally happens when there are a lot of snapshot refresh activities.Argument "-copyname" would increase the snapset refresh time that increases the frequency of the error occurrence.
WorkaroundIt is suggest trying to decrease the number of snapshot refresh jobs and frequency. FixThis issue is fixed in 4.5.0.1.x. It is recommended to upgrade CODE version when it is released.
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