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CONTAP-351218: 論理 ID 0 のスナップショットが原因で SnapMirror が失敗する

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ontap-9
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core
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問題

  • FlexVolまたはFlexGroupコンスティチュエントボリューム上のSnapshotは、論理IDが0として表示されます。
  • このシナリオでは、論理ID 0のSnapshotがSnapMirror関係のソースボリュームに存在します。
  • 論理ID 0のSnapshotがWAFLガベージコレクションの前に転送されると、無効なSnapshotがSnapMirrorのスケジュール更新失敗につながる可能性があります。  エラーの例:

Failed to complete transfer of snapshot [snapshot ID] to destination [sm_dest_SVM:dest_vol] because the destination is prepared for the transfer of a different snapshot. Run "snapmirror resync" or "snapmirror abort -hard" to cleanup the checkpoint and issue the operation again.
Failed to start transfer for Snapshot copy [snapshot name].(Failed to start transfer.(Snapshot access error(Replication engine error)))

  • スケジュールされた更新の失敗には手動での対応が必要です(回避策セクションを参照)。

  • ONTAPは、論理ID 0のSnapshotにアクセスする際にStale file handleエラーを報告する場合があります

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