ubuntu 磁盘恢复

错误：

mount: /mnt: mount(2) system call failed: Structure needs cleaning. 

或

mount: wrong fs type, bad option, bad superblock on /dev/sdc1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so.

1.查看硬盘类型

lsblk -f

2.修复

ext4类型执行命令：

fsck -t ext4 /dev/sdb1

xfs类型执行命令：

xfs_repair -L /dev/sdb