linux 故障修复

debian机器，开机遇到类似下面的错误

checking drive/dev/sda3: 92%(stage 4/5,25/85) fail

Fliesystemcheckfalid

Alogisbeingsavedin/var/log/fsck/cherksifthatlocationiswritable.Pleaserepairthefilewillnowbestarted.

A maintenace shell will now be started Control-D will terminate this shew and resume system boot.

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fsck died with exit status 4 

这里描述的是磁盘检测错误，网上说是异常关机导致的。

然后尝试用下面命令执行，重启后系统正常了

先mount -no remount,ro / 

再fsck.ext3 -y /dev/sda3

然后重启ok!

注意：网上说，不要直接执行fsck，这样会有危险，要在把设备unmount后执行。

参考：http://space.itpub.net/7351078/viewspace-697520