CRC errors seen after upgrading to ONTAP 9.7P5
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