Brocade G610/G620スイッチがブートしない

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環境

MetroCluster
ONTAP 9
Brocade G610/G620バックエンドスイッチ

問題

Brocade G610スイッチをブートできず、次のコンソール出力が表示されます。

sd 0:0:0:0: [sda] NoCaching mode page found
 sd 0:0:0:0: [sda] Assuming drive cache: write through
 EXT4-fs (sda1): write access unavailable, cannot proceed
 Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1)
 ...
 blk_update_request: critical target error, dev sda, sector 753
 Buffer I/O error on dev sda1, logical block 94, lost async page write
 blk_update_request: critical target error, dev sda, sector 1497
 blk_update_request: critical target error, dev sda, sector 1593
 blk_update_request: critical target error, dev sda, sector 2489
 EXT4-fs (sda1): error loading journal
 ...
 Hit ESC to stop autoboot:  5  4  0 
 1) Start system.
 2) Recover password.
 3) Enter command shell.
 Option? 3
 Boot PROM password has not been set.