centos 7 进不去系统的修复方法

我这边遇到的是上面这种情况，是可以修复的

首先进救援模式（我们国内云，都支持救援系统）

#查看磁盘路径

sudo fdisk -l

root@ecs38545 ~]# sudo fdisk -l

Disk /dev/vda: 42.9 GB, 42949672960 bytes, 83886080 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000b7e63

   Device Boot      Start         End      Blocks   Id  System
/dev/vda1            2048    83886079    41942016   8e  Linux LVM

Disk /dev/vdb: 42.9 GB, 42949672960 bytes, 83886080 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0xcf25c53e

   Device Boot      Start         End      Blocks   Id  System
/dev/vdb1             128    83885952    41942912+  83  Linux
[root@ecs38545 ~]#

#修复

sudo xfs_repair /磁盘路径

#例

sudo xfs_repair /dev/vda

#正常的话就会提示修复成功，然后退出救援系统，就可以正常进入系统了