e0a/e0b 端口关闭会导致节点崩溃

适用场景

• MetroCluster IP
• AFF A220 
• IP 交换机更换 / 重新启动

问题描述

在 IP 交换机更换 / 重新启动期间， e0a/e0b 端口会关闭，从而可能导致节点重新启动： 

[NodeA: intr: netif.linkDown:info]: Ethernet e0b: Link down, check cable.
[NodeA: intr: netif.linkDown:info]: Ethernet e0b-20: Link down, check cable.
[NodeA: intr: rlib.ifconfig.linkEvent:notice]: params: {'eventType': 'DOWN', 'ifname': 'e0b'}
[NodeA: intr: rlib.ifconfig.linkEvent:notice]: params: {'eventType': 'DOWN', 'ifname': 'e0b-20'}

PANIC: WAFL hung for aggr1. in SK process wafl_exempt01 on release 9.8P2 (C)