节点关闭，出现 "monitor.shutdown.brokenDisk:EMERGENCY" 错误

适用于

• 早于 9.12.1 的 ONTAP 版本
• FAS / AFF 型号

问题描述

monitor.shutdown.brokenDisk 消息在自动关闭序列按照 callhome.shutdown.pending 过期时发生（RAID 组在指定的时间间隔内处于降级模式。默认值通常为 24 小时）  

• 节点关闭时出现以下错误，并且未执行接管：

示例：

[node01: statd: monitor.brokenDisk.notice:info]: When two disks are broken in raid_dp volume, the system shuts down automatically every 24 hours to encourage you to replace the disk. If you reboot the system it will run for another 24 hours before shutting down. (The 24 hour timeout may be increased by altering the "raid.timeout" value using the "options" command.)
[node01: statd: monitor.shutdown.brokenDisk:EMERGENCY]: data disk,parity disk in RAID group "/aggr0_n1/plex0/rg0" are broken. Halting system now.
[node01: shutdown_thread0: ha.localNodeShutDown:notice]: Shutdown of the local node has been initiated with inhibit_takeover set to TRUE.
[node01: shutdown_thread0: kern.shutdown:notice]: System shut down because : "BROKEN DISK".

::> cluster ring show
Node    UnitName Epoch   DB Epoch DB Trnxs Master   Online
--------- -------- -------- -------- -------- --------- ---------
node01   mgmt    0     2     13923732 -      offline
node01   vldb    0     2     556665   -      offline
node01   vifmgr   0     2     56     -      offline
node01   bcomd   0     2     11     -      offline
node01   crs    0     2     1     -      offline

::> storage failover show
                Takeover
Node       Partner     Possible State Description
-------------- -------------- -------- -------------------------------------
node01      node02      false   Waiting for node02, Takeover is not
                    possible: Partner node halted after
                    disabling takeover
node02      node01      -     Unknown

• 来自同一 RAID-DP 组的两个磁盘发生故障，并且 RAID 组处于"双重降级"状态：

示例：    

Aggregate aggr0_n1 (online, raid_dp, degraded) (block checksums)
  Plex /aggr0_n1/plex0 (online, normal, active, pool0)
   RAID group /aggr0_n1/plex0/rg0 (double degraded, block checksums)

RAID Disk      Device     HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)   Phys (MB/blks)
---------     ------     ------------- ---- ---- ---- ----- --------------   --------------
dparity       0d.03.0    0d   3   0   SA:A   0   SAS 10000 1142352/2339537408 1144641/2344225968 
parity        FAILED            N/A             1142352/ -
data         FAILED            N/A             1142352/ -