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SPINNP_WAFFI_PUNCH_HOLES extreme suspend latency on LOAD_BUF_DISK_LOCK_CHILD

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Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

  • ONTAP 9.7
  • FCP

Issue

  • No or very low latency on LUN view
  • Volume view shows latency from

fcp_punch_hole_latency

  • On the frontend latency up to 1000ms
  • 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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