MetroCluster 后端 LUN 会在 E 系列固件更新期间显示磁盘出现故障

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适用于

FAS8200
ONTAP 9.3
光纤 MetroCluster
E 系列后端

问题

客户在 E 系列存储阵列上执行固件更新时，连接的 ONTAP Fabric MetroCluster 报告多个磁盘因 SCSI 超时错误而出现故障：

示例：

Fri Dec 04 20:09:18 EST [node1: config_thread: raid.config.filesystem.disk.not.responding:notice]: File system Disk /node1/plex0/rg0/switch1:12.126L119 Shelf - Bay - [NETAPP   INF-01-00        0842] S/N [xxxxxxxxxxxxxxxxxxxxxx] UID [xxxxxxxx:xxxxxxxx:xxxxxxxx:xxxxxxxx:00000000:00000000:00000000:00000000:00000000:00000000] is not responding.

这些错误会导致 MetroCluster 中的两个集群出现多个 SyncMirror 丛故障。

示例：

Aggregate aggrname (online, raid0, mirror degraded) (block checksums) Plex /aggrname/plex0 (offline, failed, inactive) RAID group /aggrname/plex0/rg0 (partial, block checksums)

RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks) --------- ------ ------------- ---- ---- ---- ----- -------------- -------------- data FAILED N/A 13972000/ - data switch1:12.126L78 0f - - 0 LUN N/A 13972000/28614656000 14000000/28672000000 data FAILED N/A 13972000/ - data switch1:12.126L82 0f - - 0 LUN N/A 13972000/28614656000 14000000/28672000000 data switch1:12.126L80 0f - - 0 LUN N/A 13972000/28614656000 14000000/28672000000 data FAILED N/A 13972000/ - Raid group is missing 3 disks.