Hi.

For some reason (which I can't point exactly, and actually never really tried) SystemConfigurator fails to setup a correct initrd for the newly installed machine. As a proof of concept, if you actually bother using a rescue option on the new AMD node - replace the initrd file existing on the new node with the one from the server (which is SL4.2's default initrd, I assume), and you'll be able to boot.


The failure seems to be, usually, in the missing module ext3.ko inside the initrd. I tend to use the SystemConfiguration inside any newly created image to define a predefined initrd (created by myself, or the head-node's original initrd), so that there will be no need to create one during deployment of the image.


Ez


Ying-Jer Kao wrote:

I recently added severl Dual Opteron compute nodes with HT1000 disk
controller to a Intel Xeon cluster running Scientic Linux 4.2 with
Oscar 4.2.

Upgraded the whole cluster to Scientific Linux 4.4 with Oscar 5.0

Server installation and imaging went fine. The intel clients reboot
fine, but the AMD clients reboot to kernel panic with problem mounting
root partition.
##
Loading ext3.ko module
Creating root device
Mounting root filesystem
mount: error 6 mounting ext3
mount: error 2 mounting none
Switching to new root
switchroot: mount failed: 22
umount /initrd/dev failed: 2
Kernel panic - not syncing: Attempted to kill init!


I tried a standalone installation on one of the client and it booted
up perfectly. View the /etc/modprobe.conf, I noticed that there should
be a sata_svw driver for HT1000.

Using rescue CD, I edited the /etc/modprobe.conf to include the sata
driver. Reboot, still not luck. Kernel panic again.
Also, there is no hardware.lst on the client node.

Where should I try to edit and where can I edit the image to make
other clients work fine too?

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