1. Enter emergency mode. Exit the shell to continue

2. Fault analysis (guess): file system failure caused by not following the specification to hang up or restart

3. Fault status:

Note: note that the intermediate read is sda3 failed

4. Troubleshooting:

Input command: XFS_ repair -v -L /dev/sda3

-The L option specifies to force log zeroing and XFS_ Repair zeros the log even if it contains dirty data (metadata changes)