December 2002
Intermediate to advanced
260 pages
9h 18m
English
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Converting an ext2 Filesystem to ext3
Perhaps the most convenient benefit of using ext3 is the ability to convert old ext2 partitions without destroying data or relying on a backup and restore process. Use the tune2fs command to add journal support to an existing ext2 partition. This method has been tested and proven safe by many users, but the paranoid should make certain they have backups.
# tune2fs -j /dev/md0
tune2fs 1.25 (20-Sep-2001)
Creating journal inode: doneWhile it’s possible to upgrade a mounted ext2 partition, you will need to remount the filesystem as ext3 before journaling commences.
#umount /mnt/array#mount -t ext3 /dev/md0 /mnt/ext3
Now that the filesystem has been upgraded, change your /etc/fstab entry to indicate that the partition is an ext3.
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