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CRC errors seen after upgrading to ONTAP 9.7P5

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ontap-9
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network
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Applies to

  • ONTAP 9.7P5
  • CRC Errors

Issue

Following errors are observed in EMS:

Fri Jun 26 01:10:33 [nodeA: vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port e0c on node nodeA is reporting a high number of observed hardware errors, possibly CRC errors.

Frame discards for transmit are increasing due to Queue overflow on the onboard Gigabit Ethernet NIC port :

::> system node run -node <node_name> -command ifstat -a 

TRANSMIT
Total frames:    97068k | Frames/second:     562  | Total bytes:       146g
Bytes/second:      847k | Total errors:        0  | Errors/minute:       0
Total discards:    432k | Queue overflow:    432k | Multi/broadcast:  5776 

 

 

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