When a disk is removed or replaces Linux wont boot correctly until fstab is modified.
In this situation the following message is shown:
The procedure to repair this error is as follows
1. Give the root password (you will go to single user mode).
2. Give read/write permission to / enter this command:
mount -o remount,rw /
3. Enter into /etc/fstab and rectify the configuration error:
4. Give command reboot or init 5 (as per your wish).