SnapMirror活动同步中的主LUN会在网络故障期间标记为已降级
适用场景
- ONTAP 9.11.1.及更早版本
- SnapMirror主动同步(以前称为SnapMirror业务连续性(SM-BC))
问题描述
- 发生以下所有事件时、主站点会发生I/O中断 ：
- 主站点和二级站点之间的网络故障
- SnapMirror活动同步 一致性组处于"不同步"状态
- 无法从主站点访问ONTAP调解器
- EMS日志显示以下消息
[<NODE>: scsit_lu_0: scsiblade.san.ssm.lu.degraded:alert]: LUN <LUN_Serial> was marked as degraded due to a SnapMirror Automated Failover relationship going out of sync.[<NODE>: mgwd: sm.mediator.misconfigured:alert]: ONTAP Mediator is not accessible on cluster "<CLUSTER_NAME>" with Mediator IP address "<ONTAP_MEDIATOR_IP>".