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NOTE: CentOS Enterprise Linux 5 is built from the Red Hat Enterprise Linux source code. Other than logo and name changes CentOS Enterprise Linux 5 is compatible with the equivalent Red Hat version. This document applies equally to both Red Hat and CentOS Enterprise Linux 5.

2.4. Reverting to an 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.


 
 
  Published under the terms of the GNU General Public License Design by Interspire