File system check of the root filesystem failed

Colleagues say that we are git Can't log in , Tips ：

git The server is a virtual machine , Login found downtime , You can't enter the system after restarting , Report errors ：

Failure: File system check of the root filesystem failed

Search information online , Confirm that there may be a problem with the disk of the virtual machine , Use fsck The command to repair , Last ctrl+D solve the problem

fsck -y /dev/mapper/ubuntu--vg-root/