checking root filesystem
/dev/sdb5 contains a file system with errors, check forced
/dev/sdb5:
Unattached inode 68338812
/dev/sdb5: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY
(i.e., without -a or -p options)
FAILED
/contains a file system with errors check forced
an eror occurred during the file system check
****dropping you to a shell;the system will reboot
****when you leave the shell
Press enter for maintenance
(or type Control-D to continue):
give root password for maintenance
上述提示，系统在开机后，没有完成文件系统的自动回复功能，在这个页面下若按Ctrl+D会自动重启机器，若输入root密码，则进入Linux的修复模式进行强行修复。
千万要注意，在修复之前一定要先卸载该设备。
unmount /dev/sdb5
fsck.ext3 -y /dev/sdb5
本文出自 “常用文档” 博客，请务必保留此出处http://yujianglei.blog.51cto.com/7215578/1562318
原文：http://yujianglei.blog.51cto.com/7215578/1562318