1.Entering emergency mode.
(1)启动centos7,报错如下
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(2)输入journalctl,查看报错日志
failed to mount /sysroot.
Dependency failed for Initrd root File System.
Dependency failed for Reload configuration from the Real Root.
(3)修复/dev/dm-0
xfs_repair -v -L /dev/dm-0
(4)重启
reboot
