Convert ext3 to ext4

[Eric Sandeen]

Matej Cepl wrote:
> On 2009-03-30, 01:31 GMT, Mario Chacon wrote:
>> How can I do it with the / partition? It's mounted and with 
>> a mounted unit I
>> get this warning:
>> WARNING!!!  Running e2fsck on a mounted filesystem may cause
>> SEVERE filesystem damage.
>> Is it possible to make it with the live cd alpha?
> 
> Use the installation CD/DVD/LiveCD/etc. and boot into Rescue 
> mode. Then you have your system with your 
> root-fs-when-really-booted being something else than /. Do 
> changes there, and reboot. Check four times that /etc/fstab is 
> correct.

and don't forget to remake your initrd.

FWIW there is supposed to be an ext3->ext4 migration via anaconda if you
boot with "ext4migrate" on the cmdline.

-Eric

> Matěj
>