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High Flex Group latency from low constituent free-space

Views:
48
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

  • ONTAP 9
  • Flexgroup

Issue

  • Slow response time servicing operations from Flex Group.

  • OCUM reported high latency for other operations.

  • Potiential operation timeout events in Event log: 

[xxx: kernel: Nblade.dBladeNoResponse.NFS:error]: File operation timed out because there was no response from the data-serving node. Node UUID: 9xxx, file operation protocol: NFS, client IP address: xx.xx.xx.xx, RPC procedure: 3.

  • Insufficient space errors for Flex Group  volumes
wafl_exempt08: wafl.vol.fsp.full:error]: volume amperexxxxxx@vserver:xxxxxx: insufficient space in FSP wafl_remote_reserve to satisfy a request of 0 holes and 27 overwrites.
wafl_exempt08: wafl.vol.fsp.full:error]: volume xxxxxxx@vserver:xxxxxxxxxxx: insufficient space in FSP wafl_remote_reserve to satisfy a request of 2 holes and 27 overwrites.

 

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