Kadischi and initrds (was Re: [Fedora-livecd-list] Kadischi - Xen - patch)

[J. Hartline]

Jeremy Katz wrote:

>My thoughts on how to do it in a way that moves the live CD case to be
>more like the regular case are along the lines of the following
>* mkinitrd (nash actually) now has support for overriding built-in
>commands.  We can take advantage of this to have our own mkrootdev which
>finds the root device and sets up /dev/root as it.  I started on the
>code for this ~ 6 months ago.  I can probably dig it up on my old laptop
>which is sitting at home
>  
>
Well, time permitting that would be great.
It would enlighten all of us as to where it is heading, if in that 
direction.
I had looked at nash source for a little bit, though I didn't see this 
feature you mentioned
in another mail also. I will look again.

>* The support for multiple initramfs's means that we could have kadischi
>generate a /boot/initramfs-livecd.gz in its %post that contains our
>mkrootdev.  We can then just tell isolinux to load both initramfs's
>* We can place the set of modules that we want to include as MODULES
>in /etc/sysconfig/mkinitrd.  This will make it so that we can include
>support for certain sata chipsets or scsi or whatever
>* As long as the fstab is correct, then the right filesystem modules
>will get pulled in.  
>
>If we populate the directory sanely before the install, then the
>kernel's %post can even do all the hard stuff of running mkinitrd, etc
>for us and things can just work. 
>
>  
>
Sounds good.

J. Hartline