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断続的にraid.mirror.resync.snapcrtfail:「No space left on device」が原因でエラーが発生する

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Category:
metrocluster
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環境

  • ONTAP 9
  • SyncMirror

問題

  • 次の理由でEMSraid.mirror.resync.snapcrtfail:error が検出されました: No space left on device

[<NODE>: config_async_0: raid.mirror.resync.snapcrtfail:error]: Aggregate <AGGREGATE>: could not create mirror resynchronization Snapshot copy mirror_resync.1123103131(<NODE>) (No space left on device)

  • SYNCMIRROR SNAPSHOTS NOT ROTATING PROPERLY AutoSupportがトリガーされる
  • DF-AアグリゲートのSnapshotリザーブがフルであると通知されてもSnapshotの自動削除が長時間トリガーされない

Aggregate         kbytes     used    avail capacity  
aggr1   104868206168 90773898520 14094307648    87%  
aggr1/.snapshot 5519379268 5519379268      0   100%

  • System Managerの表示内容:

Description
This message occurs when resynchronization fails to create a mirror resync Snapshot(tm) copy.

Action
Increase the size of the root volume or delete old Snapshot copies.

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