Convert ext3 to ext4

[Bob Gustafson]

On Mon, 2009-03-30 at 09:12 -0500, Eric Sandeen wrote:
> Bob Gustafson wrote:
> > On Mon, 2009-03-30 at 08:55 -0500, Eric Sandeen wrote:
> > 
> >> FWIW there is supposed to be an ext3->ext4 migration via anaconda if you
> >> boot with "ext4migrate" on the cmdline.
> > 
> > Hmm, by definition an 'update' - and failure is not an option - can't go
> > back to FC10.
> > 
> > Testing of this option on Anaconda would include having a FC10 whole
> > disk image - to re-image disks for the next test.
> > 
> 
> Yep.  I guess I missed the FC10 part.
> 

Also, for testing RAID and ext4migrate, I think the testers will need a
disk image for both RAID disks (assuming RAID 1). The data on both disks
should be the same, but I think there are differences in the metadata
between each disk in a pair.  Is this true?