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NetApp Knowledge Base

CIFS share access slowness with FPolicy EAGAIN errors

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76
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • CIFS
  • FPolicy

Issue

  • CIFS client gets severe slowness to access CIFS shares
  • The slowness disappears after migrating the data interface to its partner node
  • EMS log shows FPolicy Write EAGAIN error along with CIFS operation timed out error
[node1: fpolicy: fpolicy.eagain.on.write:NOTICE]: Write returned EAGAIN while sending notification to the FPolicy server "10.10.10.10" for vserver ID 10.
[node1: kernel: nblade_cifsoperationtimedout_1:ERROR]: params: commandName:SMB2_COM_READ,isQosEnabled:QoS_disabled,localIpAddress:10.10.10.100,lastSpinNpError:SPINNP_ERR_FPOLICY_REQD,clientIpAddress:10.10.10.245,cmdRestartCnt:0,suspensionCnt:2,vserverId:13,system_id:0538184752,sys_version:9.7P11,remoteBladeID:bdba0013-8032-11eb-88d1-d039ea280e22 (node1),lastCsmError:CSM_OK
  • Performance Archives might display a high SMB2 Read/Write latency while no latency on the volume layer
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