收到消息的时候，登陆主机检查，发现登陆时即报出错误:
No directory!即用户目录已经找不到了。
billing-db2 console login: gqgai
Password:
No directory! Logging in with home=/
Last login: Wed Nov 2 22:08:37 from 10.199.32.23
Sun Microsystems Inc. SunOS 5.8 Generic Patch October 2001
$ id
uid=2003(gqgai) gid=2000(maintain)
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用df -k发现存在IO错误，2个目录不见了，/opt和/export/home属于同一块硬盘，这块硬盘看来是Over了:
$ df -k
Filesystem kbytes used avail capacity Mounted on
/dev/dsk/c0t10d0s0 1018191 132709 824391 14% /
/dev/dsk/c0t10d0s6 3974034 1588072 2346222 41% /usr
/proc 0 0 0 0% /proc
fd 0 0 0 0% /dev/fd
mnttab 0 0 0 0% /etc/mnttab
/dev/dsk/c0t10d0s1 8261393 1657518 6521262 21% /var
swap 7088928 8 7088920 1% /var/run
swap 7090656 1736 7088920 1% /tmp
df: cannot statvfs /opt: I/O error
df: cannot statvfs /export/home: I/O error
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使用dmesg查看系统信息，发现硬件错误信息如下:
# dmesg
Thu Nov 3 10:18:38 CST 2005
...
Nov 2 18:13:33 ... scsi: [ID 107833 kern.warning] WARNING: /sbus@3,0/SUNW,fas@3,8800000/sd@b,0 (sd10):
Nov 2 18:13:33 ... Error for Command: write Error Level: Retryable
Nov 2 18:13:33 ... scsi: [ID 107833 kern.notice] Requested Block: 38016 Error Block: 38016
Nov 2 18:13:33 ... scsi: [ID 107833 kern.notice] Vendor: SEAGATE Serial Number: 0118T2F3E2
Nov 2 18:13:33 ... scsi: [ID 107833 kern.notice] Sense Key: Hardware Error
Nov 2 18:13:33 ... scsi: [ID 107833 kern.notice] ASC: 0x15 (), ASCQ: 0x1, FRU: 0x1
Nov 2 18:14:58 ... scsi: [ID 107833 kern.warning] WARNING: /sbus@3,0/SUNW,fas@3,8800000/sd@b,0 (sd10):
Nov 2 18:14:58 ... Error for Command: write Error Level: Retryable
Nov 2 18:14:58 ... scsi: [ID 107833 kern.notice] Requested Block: 670640 Error Block: 667334
Nov 2 18:14:58 ... scsi: [ID 107833 kern.notice] Vendor: SEAGATE Serial Number: 0118T2F3E2
Nov 2 18:14:58 ... scsi: [ID 107833 kern.notice] Sense Key: Hardware Error
Nov 2 18:14:58 ... scsi: [ID 107833 kern.notice] ASC: 0x44 (internal target failure), ASCQ: 0x0, FRU: 0xd3
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看来这块SEAGATE的硬盘是完蛋了。
