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ONTAPのイベント ログでメモリ不足が報告される

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ontap-9
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core
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WAFL low memory イベント発生時に syncore(またはキャプチャメモリ分散出力)を誘導するフラグ

環境

  • ONTAP 9

問題

  • 複数の WAFL is running low on memory イベントがEMSおよび event log show コマンドの出力に表示されます:

cluster1::>event log show

Time                Node             Severity      Event
------------------- ---------------- ------------- ---------------------------
6/17/2021 02:15:39  Cluster1-01      ALERT        wafl.memory.statusVeryLowMemory: WAFL is running very low on memory, with 4854MB remaining.
6/17/2021 00:10:37  Cluster1-01      NOTICE       wafl.memory.statusLowMemory: WAFL is running low on memory, with 4891MB remaining.

Sun Jun 15 05:24:15 +0000 [Cluster1-01: wafl_exempt06: wafl.memory.statusVeryLowMemory:alert]: WAFL is running very low on memory, with 618MB remaining.
Sun Jun 15 05:29:34 +0000 [Cluster1-01: wafl_exempt02: wafl.memory.statusVeryLowMemory:alert]: WAFL is running very low on memory, with 624MB remaining.
Sun Jun 15 05:29:38 +0000 [Cluster1-01: wafl_exempt01: wafl.memory.statusLowMemory:notice]: WAFL is running low on memory, with 640MB remaining.
Sun Jun 15 05:37:05 +0000 [Cluster1-01: wafl_exempt04: wafl.memory.statusLowMemory:notice]: WAFL is running low on memory, with 637MB remaining.

  • このエラーが発生すると、共有フォルダにアクセスできなくなります
  • シナリオによっては、CIFS共有へのアクセス障害などの副作用が発生する場合と発生しない場合があります

 

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