tune2fs

linux

Adjust parameters of an ext2, ext3, or ext4 filesystem. May be used on mounted filesystems.

Examples (5)

Set the max number of counts before a filesystem is checked to 2

sudo tune2fs -c 2 /dev/sdXN

Set the filesystem label to `MY_LABEL`

sudo tune2fs -L 'MY_LABEL' /dev/sdXN

Enable discard and user-specified extended attributes for a filesystem

sudo tune2fs -o discard,user_xattr /dev/sdXN

Enable journaling for a filesystem

sudo tune2fs -o has_journal /dev/sdXN

Assign a new randomly-generated UUID to a filesystem

sudo tune2fs -U random /dev/sdXN