Disable journaling in ext3 file system
We know that EXT3 file system is nothing but EXT2 + a e. This allows faster FSCK process and avoids metadata corruption.
We can disable journaling (i.e convert EXT3 to EXT2) using tune2fs command.
tune2fs -O^has_journal /dev/xdy
Now the journaling is removed from /dev/xdy partition. The file system for this partition is know EXT2 rather than EXT3.
This is normally used when you want to re-size a partition.
If you want to convert it back to EXT3, use the following command:
tune2fs -j /dev/xdy
Note: The partition should be un-mounted before converting the file-systems. For converting EXT2 to EXT3 you can also have the partition re-mounted as read-only too, but the former is safer.
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