Re: Conversion of ext4 to ext3 file system ?

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Jay Mistry wrote:
On Thu, Aug 13, 2009 at 7:34 PM, Patrick O'Callaghan <pocallaghan@xxxxxxxxx> wrote:
On Thu, 2009-08-13 at 12:39 +0530, Jay Mistry wrote:
> I would like to convert / & /home partitions that are ext4 to ext3.
> Can this be done without loss of data ?

https://fedoraproject.org/wiki/Ext4_in_Fedora_11#What_about_backward.2Fforward_compatibility.3F

poc

--

Ok, backward-incompatible.

Thanks,

Jay

--
Fedora 10, Ubuntu 9.04 (i686)
My first thought is that if you are using LVM you can shrink the partitions and create new ext3 partitions, mount them elsewhere (such as /usr/temp1/ and /usr/temp2/), copy the filesystems over from the old partitions (with attributes intact) and then edit your fstab to use the new ext3 partitions instead of the old. After a reboot (or a manual unmount and remount process) you can then delete the old partitions and then resize the new ones to encompass the freed up space.

Don't forget to backup first.

Heck it might even be easier to just back up the partitions, delete and remake them as ext3, and restore.

I'm sure there are other ways, probably easier and "cooler" from a geekiness perspective to pull off.


-- 


Paul

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