[Xen-users] how can you boot an existing linux domU off the cdrom on sles11 dom0?

[James Pifer <jep@xxxxxxxxxxxxxxxx>]

I have a sles10 domU running on a sles11 dom0. xen is version 3.4. We're
trying to pass through a scsi card to the domU. We assign the domU the
scsi card through virt manager. When we try to boot the domU it won't
boot. We need to update fstab and menu.lst, but we need to boot with the
hardware attached to see how it's being seen by the domU. 

On a physical machine we usually boot off the sles boot cd in rescue
mode and modify the file accordingly. In this case, I can't get the domU
to boot from the cd. 

Any suggestions on how to do this? I've done it with Citrix XenServer,
but have never been able to do it on a sles dom0. 

I've tried adding a cdrom and using xm commands to save config, delete
the domU, modify the config enabling the cdrom as bootable, then
restoring the domU with xm new -F command, but then it won't boot at
all. 

Help is appreciated. 

Thanks,
James


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