Convert ext3 to ext4

[Eric Sandeen]

Bob Gustafson wrote:
> 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?

The fs metadata on each leg of the mirror should be identical.

-Eric