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3.4. 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
umount /dev/mapper/VolGroup00-LogVol02umount /dev/mapper/VolGroup00-LogVol02
Next, change the file system type to ext2 by typing the following command as root:
tune2fs -O ^has_journal /dev/mapper/VolGroup00-LogVol02
tune2fs -O ^has_journal /dev/mapper/VolGroup00-LogVol02tune2fs -O ^has_journal /dev/mapper/VolGroup00-LogVol02
Check the partition for errors by typing the following command as root:
e2fsck -y /dev/mapper/VolGroup00-LogVol02
e2fsck -y /dev/mapper/VolGroup00-LogVol02e2fsck -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
mount -t ext2 /dev/mapper/VolGroup00-LogVol02 /mount/pointmount -t ext2 /dev/mapper/VolGroup00-LogVol02 /mount/pointmount -t ext2 /dev/mapper/VolGroup00-LogVol02 /mount/pointmount -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
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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