CONTAP-431944:使用 AutoFailoverDuplex 策略时,SM-AS 保护的辅助 LUN 已降级
问题描述
即使关系未标记为 OOS,辅助 LUN 也可能进入降级状态
- 从主集群看不到不同步
- 二级集群上的 EMS 日志记录如下:
[node_dst: scsit_lu_0: scsiblade.san.ssm.lu.degraded:alert]: LUN 819ea+WwyjM8 was marked as degraded due to a SnapMirror Active Synchronous relationship going out of sync.
[node_dst: scsit_lu_0: scsiblade.san.ssm.lu.online:notice]: LUN 819ea+WwyjM8 is back online.