有两台Sun T2000共享Sun 6140磁盘阵列柜，系统运行好好的用户管理员把系统重启以后共享磁盘出现故障，boot后cluster无法进入提示如下错误：
NOTICE: clcomm: Path db1:ce3 - db2:ce3 errors during initiation
NOTICE: clcomm: Path db1:ce2 - db2:ce2 errors during initiation
WARNING: Path db1:ce3 - db2:ce3 initiation encountered errors, errno = 62. Remote node may be down or unreachable through this path.
WARNING: Path db1:ce2 - db2:ce2 initiation encountered errors, errno = 62. Remote node may be down or unreachable through this path.
WARNING: CMM: Reading reservation keys from quorum device /dev/did/rdsk/d2s2 failed.
NOTICE: CMM: Cluster doesn't have operational quorum yet; waiting for quorum.
使用boot -x进入单机模式，使用format命令查看硬盘提示如下错误：
format 提示如下错误 Searching for disks...WARNING: /scsi_vhci/ssd@g600a0b80002259f000003bd14933bf9b (ssd8): Corrupt label; wrong magic number WARNING: /scsi_vhci/ssd@g600a0b80002259f000003bd14933bf9b (ssd8): Corrupt label; wrong magic number WARNING: /scsi_vhci/ssd@g600a0b80002259f000003bd14933bf9b (ssd8): Corrupt label; wrong magic number WARNING: /scsi_vhci/ssd@g600a0b80002236fe0000103149090de8 (ssd9): Corrupt label; wrong magic number WARNING: /scsi_vhci/ssd@g600a0b80002236fe0000103149090de8 (ssd9): Corrupt label; wrong magic number WARNING: /scsi_vhci/ssd@g600a0b80002236fe0000103149090de8 (ssd9): Corrupt label; wrong magic number done c4t600A0B80002236FE0000103149090DE8d0: configured with capacity of 499.98GB c4t600A0B80002259F000003BD14933BF9Bd0: configured with capacity of 1020.00MB AVAILABLE DISK SELECTIONS: 0. c0t0d0 /pci@780/pci@0/pci@9/scsi@0/sd@0,0 1. c4t600A0B80002236FE0000103149090DE8d0 /scsi_vhci/ssd@g600a0b80002236fe0000103149090de8 2. c4t600A0B80002259F000003BD14933BF9Bd0 /scsi_vhci/ssd@g600a0b80002259f000003bd14933bf9b
提示label信息错误，初步诊断是label信息丢失，运行如下命令进行修复
ormat> verify
WARNING: /scsi_vhci/ssd@g600a0b80002236fe0000103149090de8 (ssd9):
Corrupt label; wrong magic number
Warning: Could not read primary label.
Warning: Check the current partitioning and 'label' the disk or use the
'backup' command.
Backup label contents:
Volume name = < >
ascii name =
pcyl = 64000
ncyl = 63998
acyl = 2
nhead = 256
nsect = 64
Part Tag Flag Cylinders Size Blocks
0 usr wm 1 - 63997 499.98GB (63997/0/0) 1048526848
1 unassigned wm 0 0 (0/0/0) 0
2 unassigned wm 0 0 (0/0/0) 0
3 unassigned wm 0 0 (0/0/0) 0
4 unassigned wm 0 0 (0/0/0) 0
5 unassigned wm 0 0 (0/0/0) 0
6 unassigned wm 0 0 (0/0/0) 0
7 usr wu 0 - 0 8.00MB (1/0/0) 16384
format> backup
Searching for backup labels...found.
Restoring primary label.
WARNING: /scsi_vhci/ssd@g600a0b80002236fe0000103149090de8 (ssd9):
Corrupt label; wrong magic number
找到磁盘备份label信息后，运行lable保存退出，sync;sync;init 6重启机器后故障解决
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