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Re: [Xen-users] How to boot a DomU from CDrom ?

Henning Sprang wrote:

I'm wondering if there is a method to install a DomU by booting from a
CD (real or iso image). VmWare permit this

The objective is to install my virtual machines by using the same
CD image as the real ones. This CD is a customizes Centos 4.3 build
I'm using non vmx hardware and xen 3.0.2 on a Centos 4.3 Dom0

the options cdrom and boot seems to only work with vmx or pacifica
hardware, am I wrong ?

Generally you are right.
I don't know if the cd booting stuff works on non-vmx hardware, if not, you
could copy the iso's contents into some partition or vbd file. But you won't
get a cd running which has no xen kernel on it. To achieve this, you could
make a cd containing a domU kernel matching your dom0.

interestingly enough - playing around with Suse 10.1 and the yast2 based xen-vm-installer-thingy - I've found out that Yast attempts to do just that: install a brand new domU from e.g. a Suse CD. Not that I got that working but still I wonder if they found a way to achieve this paravirtualisingly. Any comments or experiences, Suse admins?


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