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Snapshotを削除できません。エラーが発生しました

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Category:
ontap-9
Specialty:
dp
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環境

  • ONTAP 9
  • SnapMirror
  •  カスケード環境のクラスタA(9.8)でSnapshotを手動で作成(A -> B -> C)
  • 次に、同じSnapshotがクラスタB(9.8)に転送され、 そのSnapshotを使用して新しいボリュームを作成し、クラスタC(9.13)に転送されます。
  • AとCが同じ共通Snapshotを持つため、カスケード設定をファンアウト(A -> B & A -> C)に変更します。

問題

  • SnapMirror転送が完了しても、次のエラーでクラスタAのSnapshotを削除できません:

::*> snapshot delete -vserver <vservername> -volume <volname> -snapshot <snapshotname>
Error: command failed: This Snapshot copy is currently used as a reference Snapshot copy by . 

  • Snapshotの詳細には、SnapshotがSnapMirror関係によって所有されていることが示されています。

    ::*> snapshot show -vserver <vservername> -volume <volname> -snapshot <snapshotname>

   Vserver: <vservername>
   Volume: <volname>
   Snapshot: <snapshotname>
   Snapshot Busy: false
   Physical Snap ID: 525
   Logical Snap ID: 525
   Database Record Owner: snapmirrorDP.a91be97099eeeb11b603d039ea4987c5_2159856287.nonSMDstOwned
   Snapshot Tags: VOPL_owner_snapmirrorDP.a91be97099eeeb11b603d039ea4987c5_2159856287.nonSMDstOwned=snapmirror

  • 所有者がSnapshotを所有していない場合は、Snapshotをあとから削除できます。

::*> snapshot show -vserver <vservername> -volume <volname> -snapshot <snapshotname>            
   Snapshot Busy: false
   Physical Snap ID: 525
   Logical Snap ID: 525
   Database Record Owner: -
   Snapshot Tags: -

::*> snapshot delete -vserver <vservername> -volume <volname> -snapshot <snapshotname>
   Warning: Deleting a Snapshot copy permanently removes data that is stored only in that Snapshot copy. Are you sure you want to delete Snapshot copy "<snapshotname>" for volume "<volname>" in Vserver "<vservername>" ? {y|n}: 

 

 

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