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