Converting Ext4 filesystem t Ext3

[Patrick O'Callaghan]

On Sun, 2009-04-19 at 16:51 -0700, Geoffrey Leach wrote:
> Yes, I meant ext4 => ext3.  Lots of advice on going the other way.
> 
> Why? System panics when reading files from the ext4 FS.  It's non-root, 
> non-boot. Data is not critical, although I would like to save it if 
> possible.

Try just mounting it as ext3 and backing up your data. As long as you
aren't using extents this is supposed to work. See
http://kernelnewbies.org/Ext4 (Section 3.3).

poc