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FPolicy EAGAIN errors seen in ONTAP

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Votes:
13
Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • FPolicy

ActiveIQ Information

  • Check Active IQ if this impacts your systems
  • Please note, there are 2 Active IQ alerts that utilize this KB to provide further information
    • Signature 1:
      • Excessive EAGAIN errors are present in the FPolicy logs
        • An EMS message has been seen latest AutoSupport that recommends increasing the -send-buffer-size
        • If the value is already at 1048576, open a case with the FPolicy vendor.
    • Signature 2:
      • Fpolicy External Engine Send Buffer Size Best Practice 1mb
        • If the -send-buffer-size is less than 1 MB (1048576 bytes), then a recommendation will be made to increase to 1 MB.

Issue

  • EMS or event log show report errors pertaining to EAGAIN errors similar to the following:

Cluster::> event log show -event *fpolicy*

[filer1: fpolicy: fpolicy.eagain.on.write:notice]: Write returned EAGAIN while sending notification to the FPolicy server "12.34.56.78" for vserver ID 3.

  • For ONTAP 9.5 and below (works with all versions of ONTAP)

Cluster::> set advanced

Cluster::*> node run * rdfile /etc/log/mlog/fpolicy.log
[kern_fpolicy:error:1552] Write returned EAGAIN[35] [0x0x80c408d00] src/fsm/fsm_external_engine.cc:864
[kern_fpolicy:error:4321] Read returned EAGAIN[35] [0x0x809005a40] fpolicy/fsm/fsm_external_engine.cc:732  

 

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