升级到ONTAP 9.7P5后出现CRC错误

适用场景

• ONTAP 9.7P5
• ONTAP 9.7P22.
• CRC错误

问题描述

在EMS中观察到以下错误：

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.

由于板载千兆位以太网NIC端口上的队列溢出，用于传输的帧丢弃量正在增加：

::> 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