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ONTAPレポートでは、特定のクライアントがstorepoolタイプlockStateに対してより多くのリソースを消費している

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ontap-9
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環境

  • ONTAP 9
  • NFS v4

問題

  • EMSログに、ロック状態がstorepoolのしきい値を超えていることが表示される :

Fri Jun 07 06:27:31 0000 [node1: kernel: ems.engine.suppressed:debug]: Event 'PerClientStorePoolThreshold' suppressed 37171 times in last 301 seconds.
Fri Jun 07 06:27:31 0000 [node1: kernel: PerClientStorePoolThreshold:notice]: NFSv4 client 10.xx.xx.xxx has consumed more resources for store pool type LockState
Fri Jun 07 06:32:33 0000 [node1: kernel: ems.engine.suppressed:debug]: Event 'PerClientStorePoolThreshold' suppressed 37318 times in last 302 seconds.
Fri Jun 07 06:32:33 0000 [node1: kernel: PerClientStorePoolThreshold:notice]: NFSv4 client 10.xx.xx.xx.xxx has consumed more resources for store pool type LockState.

  • locks stats show low lockstate storepool utilized:

    ::*> statistics show -object nfsv4_diag -instance nfs4_diag
    Object: nfsv4_diag
    Instance: nfs4_diag
    Start-time: 6/6/2024 12:08:27
    End-time: 6/6/2024 12:23:33
    Elapsed-time: 906s
    Scope: Scope1

    Counter Value
    ------------------------------- --------------------------------
    .....
    storePool_LockStateAlloc 173
    storePool_LockStateMax 512008

  • lock showの出力には、これ以上ロック数を消費しているクライアントは表示されませんが、ONTAPでは PerClientStorePoolThreshold  アラート非常に頻繁に報告されます。

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