Upgrade to ext4, how?

[Jon Stanley]

On Mon, Apr 7, 2008 at 4:39 PM, Martin Sourada <martin.sourada at gmail.com> wrote:

>  Yep. Switch_root errors. I fixed it by generating new initrd using
>  mkinitrd using /etc/fstab with ext3 for the volume... I wondered what
>  was the problem, because the older kernels booted OK and mount was
>  seeing the mounted partition as ext4, though at boot it seemed like if
>  it was mounting it as ext3. Perhaps I'll give it one another try (I can
>  afford to screw up one of the two kernel initrd images now, when I know,
>  how to fix it...).

You have to use magical incantations in order to mark the filesystem
OK to be used with ext4.  All of this is detailed here:

http://fedoraproject.org/wiki/FedoraExt4