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Converting back Linux ext3 file system to ext2 file system

If you wish to revert a partition from ext3 to ext2 for any reason, you must first unmount the partition
by logging in as root and typing,

umount /dev/mapper/VolGroup00-LogVol02

Next, change the file system type to ext2 by typing the following command as root:

/sbin/tune2fs -O ^has_journal /dev/mapper/VolGroup00-LogVol02

Check the partition for errors by typing the following command as root:

/sbin/e2fsck -y /dev/mapper/VolGroup00-LogVol02

Then mount the partition again as ext2 file system by typing:

mount -t ext2 /dev/mapper/VolGroup00-LogVol02/mount/point

In the above command, replace /mount/point with the mount point of the partition.

Next, remove the .journal file at the root level of the partition by changing to the directory
where it is mounted and typing:

rm -f .journal

You now have an ext2 partition.

If you want to permanently change the partition to ext2, remember to update the /etc/fstab file.

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