Mount cdrom in %post on 2.6 kernel

[Panu Matilainen]

On Mon, 12 Sep 2005, Robert Wehner wrote:

> I am migrating some kickstarts from RHEL 3.0 to RHEL 4.0 and I can't figure
> out how to get the cdrom device mounted in the %post section. In RHEL 3.0, I
> always used the method mentioned on this list many times:
> %post
> updfstab
> mount /mnt/cdrom
> tar xfp /mnt/cdrom/somefile.tar -C /opt
>
> That doesn't work in RHEL 4.0 as updfstab is now gone. It looks like in RHEL
> 4 it is the the haldaemon (by calling fstab-sync) that does something
> similar to what updfstab used to do. I tried starting that in %post, and it
> says it started OK but it doesn't update fstab, nor does it stay running.
>
> I've also tried parsing /proc/sys/dev/cdrom/info and then attempting to
> mount the device listed there. That didn't work as the device hasn't been
> made yet at /dev/hd?.
>
> Anyone have any ideas on how to get the CD mounted during %post in RHEL 4
> kickstarts?

Run '/sbin/udevstart' at beginning of %post which will create the 
necessary devices, worked for me at least.

 	- Panu -