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"wafl.cp.toolong" message seen in ONTAP Logs during high disk workload

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Category:
ontap-9
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perf
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Applies to

  • ONTAP 9
  • High disk workload when the message is detected.

Issue

  • Event visible in the "event log show" command output:
    • ONTAP 9 or newer Example:
      • Mon Dec 23 00:20:36 EST [FilerA: wafl_exempt08: wafl.cp.toolong:error]: Aggregate fas_01_DATA_AGGR experienced a long CP...
    • ONTAP 8 Example:
      • Mon Feb 22 16:14:08 CLT [FilerA: wafl_CP_proc: wafl.cp.toolong.warning:warning]: params: ...
      • Mon Feb 22 16:14:08 CLT [FilerA: wafl_CP_proc: wafl.cp.slovol.warning:warning]: params: ...
  • Latency in affected aggregate is usually detected.

 

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