[et-mgmt-tools] Problems with Xen PXE installs

Sean Embry Sean.Embry at nisd.net
Tue Feb 19 17:15:58 UTC 2008


I don't know if top or bottom posting is correct, so I'll bottom post
for now:

>>> mdehaan at redhat.com 02/19/08 8:23 AM >>>
Jasper Capel wrote:
> I'm always using a non-xen kernel for my PXE-boots, I think the 
> provided xen-kernel was meant to be used for DomU-installs. Why don't

> you just modify your kickstart file to include the required 
> Xen-software? You only have to add xen and kernel-xen to the packages

> section.

>Absolutely correct.   You don't want to pick any profile with "xen" in

>the name for bare metal installs, you instead add the packages to your

>kickstart.   Of course when doing the guest OS's you do need the ones

>with "xen" in the name.

>Ultimately having an "exclude-from-menu" feature in Cobbler (on the 
>distro) might be worthwhile, as this can be detected during import.  

>This would cause
>any cobbler profiles attached to the distro to not show up in the
menus 
>because they weren't PXE compatible.   (Note that this will only ever
apply
>to Xen paravirt kernels).

>Make sense?

>--Michael


>
> Jasper
>
> Sean Embry wrote:
>> Pardon if this was covered before... I looked through the last
>> 2 months archive, and found only "Invalid Kernel", and that
>> appeared to be all distros, not just xen.
>>
>> Did a bare metal install to what would become
>> the cobbler server via DVD of Fedora 8 i686, (32 bit)
>> non-xen install. Set up 8 IPs in /var/lib/cobbler for DHCP
>> in a subnet without DHCP, imported images for
>> Fedora 8 (32 and 64 bit), and RH 5.2 (32 and 64).
>>
>> All non Xen installs work fine, but no Xen kernels will. From
>> the PXE boot prompt, selecting "menu", then any Xen
>> kernel gives a "Invalid kernel" error. I don't see anything
>> out of place in the error logs, and I'm pretty much stuck
>> on dead center. I guess I could just stay with non-xen
>> and add it later via "Add/Remove Software", but that
>> seems to be a pain in the neck I'd rather do without...
>>
>> I've not tried xen installs using ftp or http yet, that's for the
>> morning...
>>
>> Please let me know what other info I can provide to
>> trouble shoot this problem.
>>
>> Thanks in advance,
>>
>> Sean Embry
>> Systems/Database Administrator
>> NISD.NET
>>
snip sigs

Jasper, thank you. I did just that and it worked out fine.

Michael,

Thank you. I've got that working now. WOOT!

Sean




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