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Snapmirror fails to create a snapshot copy volumes has clones backed by snapshots

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Applies to

  • ONTAP
  • SnapMirror
  • SIS File Clone

Issue

  • Snapmirror getting failed with following error:
Failed to create Snapshot copy snapmirror.b99c66c4-42c5-11ea-ac12-d039ea131e6d_2151302974.2024-04-13_224901 on volume svm:prod_volume. (Failed to create Snapshot copy snapmirror.b99c66c4-42c5-11ea-ac12-d039ea131e6d_2151302974.2024-04-13_224901 on volume d5995f9e-601b-11ed-b6e5-13bfcf32b3c8:prod_volume. (File exists))
  • Snapmirror audit logs:
Wed Feb 28 20:13:59 ACDT 2024 FlexGroupScheduledUpdate[Feb 28 19:55:00]:e11123de-0ffb-11ee-85d9-d039ea131e6d Operation-Uuid=d1ae2e4f-d41d-41d3-93f2-a74d25eb209c Group=flexgroup Operation-Cookie=0 action=End source=svm_AWSNAS08:prod_geodata_basins_coop_erom destination=SVM01:prod_volume_dest status=Failure message=Failed to create Snapshot copy snapmirror.b99c66c4-42c5-11ea-ac12-d039ea131e6d_2151302974.2024-02-28_195500 on volume svm:prod_volume.(Failed to create Snapshot copy snapmirror.b99c66c4-42c5-11ea-ac12-d039ea131e6d_2151302974.2024-02-28_195500 on volume d5995f9e-601b-11ed-b6e5-13bfcf32b3c8:prod_volume.(Volume has clones backed by snapshots))
  • On source cluster the creation of snapshot fails with below error.
Wed Feb 28 09:00:03 +0000 [AWSNAS08-01: snapd_cmode: wafl.snap.create.skip.reason:error]: prod_volume_0001  d5995f9e-601b-11ed-b6e5-13bfcf32b3c8: Skipping creation of ADE_1830HRS.2024-02-28_0900 Snapshot copy (Snapshot operation not allowed due to clones backed by snapshots. Try again after sometime.).
  • Manual snapshot creation on source also fails with below error.
cluster::> snapshot create -volume prod_volume -vserver svm -snapshot Manual_Test
Error: command failed: Failed to create snapshot "Manual_Test" of volume "prod_volume" on Vserver
       "svm". Reason: Snapshot operation not allowed due to clones backed by snapshots. Try again after sometime.
  • The volume that was failing to create snapshots has a snapshot owned by SIS Clone
cluster::*>snapshot show -busy true -fields busy,owner,create-time
vserver      volume                         snapshot                    create-time              busy owners
------------ ----------------------------- --------------------------- ------------------------ ---- -----------
svm         prod_volume                     ADE_1830HRS.2024-02-26_0900 Mon Feb 26 09:00:00 2024 true "SIS Clone"
  • The deletion of that snapshot also fails with below error.
AWSNAS08::*> snapshot delete -snapshot ADE_1830HRS.2024-02-26_0900 -vserver svm -volume prod_volume -ignore-owners true
Error: command failed: Snapshot copy "ADE_1830HRS.2024-02-26_0900" of volume "prod_volume " in Vserver
       "svm" has not expired or is locked. Use the "snapshot show -fields owners, expiry-time, snaplock-expiry-time"
       command to view the expiry and lock status of the Snapshot copy.

 

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