Re: PXE boot with Xen

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Daniel P. Berrange wrote:
On Fri, May 18, 2007 at 10:43:09AM -0700, Curtis Doty wrote:
8:41am Curtis Doty said:

11:20am Michael DeHaan said:

Alexander Todorov wrote:
  Hello,
Is it possible to create a xen guest than will use PXE boot for
initial
  installation?

Someone's done something with hacking a wrapper around pygrub to do
something like this, though you might also be interested in "koan" for
automated installs.
This will do basically the same thing and also pull in your preferences
for RAM size and disk file size from the profiles -- so you still get
fully automatic and repeatable
network installs.   Koan is paravirt only at the moment though more virt
types are next up on my list.

http://cobbler.et.redhat.com

For fully virt, I was able to use an etherboot ROM image. Since it just uses ISOLINUX to load the ROM, make it hdc:cdrom with boot=d and PXE away!

Better yet, the boot=n feature that's been in xen-unstable since December appeared in rawhide a couple weeks ago. :-) It looks much more elegant as the ROM is now included with Xen, avoids the ISOLINUX wrapper, and has some timeouts set properly.

Yes, for those who didn't notice, we changed our plan for rawhide fairly
late in the game & switched from 3.0.4 to 3.1.0 since there were very
compelling reasons to jump straight to 3.1.0. This means you do get the
new 'boot=n' option for PXE fullyvirt guests. We've not had time to
get PXE support into virt-install or virt-manager for F7 GA release, but
we'll be releasing an update with it shortly after GA.


Regards,
Dan.
It would be cool if it could also read cobbler profiles for installation sources too... (wink wink, nudge nudge)

I know quite a few large install bases have environments where PXE is not an option either due to not
having control over DHCP :)




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