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load_buf_disk_lock_childでSPINNP_waffi_punch_holes極端なサスペンド遅延

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Category:
ontap-9
Specialty:
perf
Last Updated:

環境

  • ONTAP 9.7
  • FCP

問題

  • LUNビューでレイテンシがゼロまたは非常に低い
  • ボリュームビューには、のレイテンシが表示されます

fcp_punch_hole_latency

  • フロントエンドでは最大1000ミリ秒の遅延が発生します
  • EMS log

wafl.zombie.susp.aggr.limit: WAFL(R) aggregate <aggr> is experiencing zombie throttling possibly due to requests for large number of file deletions. This can be mitigated by a combination of a) reducing the load on the aggregate or b) issuing the file deletion requests in smaller batches.“

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