Mount cdrom in %post on 2.6 kernel

[Robert Wehner]

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?

thanks!

Robert Wehner
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