tune2fs - is used to manipulate the filesystem parameters of a ext 2/3/4 type file system

syntax

$ sudo tune2fs option device

To list file system parameters

$ sudo tune2fs -l /dev/vda1

To set the volume label

$ sudo tune2fs -L my_vol /dev/vda1

To find out maximum mount count and mount count

$ sudo tune2fs -l /dev/vda1 | grep -i mount

To set maximum mount count

$ sudo tune2fs -c 80 /dev/vda1

To Display Check Interval of a filesystem

$ sudo tune2fs -l /dev/vda1 | grep interval

To set time intervals between two filesystem checks

$ sudo tune2fs -i 5m /dev/vda1

$ sudo tune2fs -i 5d /dev/vda1

$ sudo tune2fs -i 5w /dev/vda1

To disable filesystem check on reboot set the maximum mount count to -1 or 0.

$ sudo tune2fs -c 0 /dev/vda1

$ sudo tune2fs -i 0 /dev/vda1

To set mount counts

$ sudo tune2fs -C 30 /dev/vda1

To Set the last-mounted directory

$ sudo tune2fs -M mount_mydir /dev/vda1

To Set the last time checked of a filesystem

$ sudo tune2fs -T now /dev/vda1

To Change the error behavior of a filesystem

$ sudo tune2fs -e continue /dev/vda1

To generate a new random UUID of the filesystem

$ sudo tune2fs -U random /dev/vda1

regards,

T.Dhanasekar