如果系统启动的时候提示：
/dev/mapper/VolGroup-lv_root: unexpected inconsistency; run fsck manually
an error occurred during the file system check
1：输入 root 密码；
2：输入 fsck -c
3: 输入 Yes
3: 输入 fsck -t ext4 /dev/sda1
4: 输入fsck -y /dev/sda1; (# df -h ; # mount | grep ''on /''; # fsck -y /dev/your_partition)
5：reboot 重启即可