Re: Xen3.2 rpm's?

[Rudi Ahlers <Rudi@xxxxxxxxxxx>]

Ross S. W. Walker wrote:
> Rudi Ahlers wrote:
>   
> > Ross S. W. Walker wrote:
> >     
> > > Rudi Ahlers wrote:
> > >       
> > > > Ross S. W. Walker wrote:
> > > >         
> > > > > Rudi Ahlers wrote:
> > > > >           
> > > > > > Ross S. W. Walker wrote:
> > > > > >             
> > > > > > > Rudi Ahlers wrote:
> > > > > > >
> > > > > > >               
> > > > > > > > Hi
> > > > > > > >
> > > > > > > > Does anyone know when the Xen3.2 rpm's will be part of the 
> > > > > > > > CentOS repo's?
> > > > > > > >
> > > > > > > >                 
> > > > > > > CentOS 6 probably.
> > > > > > >
> > > > > > > Upstream really can't change the Xen hypervisor too much within
> > > > > > > a release as that goes against the distribution's philosophy.
> > > > > > >
> > > > > > > If you really want Xen 3.2, why not download the CentOS 5 rpms
> > > > > > > from xen.org and use it. It works transparently with the CentOS
> > > > > > > kernel package and updates the CentOS Xen packages.
> > > > > > >
> > > > > > > Just remember to change the Xen kernel name in grub each time
> > > > > > > the CentOS kernel changes! I still forget to do this and it
> > > > > > > bites me all the time :-(
> > > > > > >
> > > > > > >               
> > > > > > Cause I want to use it on a kickstart file, but someone on the kickstart 
> > > > > > list just showed me how to install those rpm's from the kickstart file, 
> > > > > > so I'll try that and see what hapens.
> > > > > >
> > > > > > Do I still use the xen-2.6.18-53 kernel? 
> > > > > > kernel-xen-2.6.18-53.1.6.el5.x86_64.rpm 
> > > > > >
> > > > > >             
> > > > > Yes, continue to use the CentOS supplied kernels.
> > > > >
> > > > >           
> > > > > > What do you mean I need to rename it in the grub menu? What 
> > > > > > happens if I don't?
> > > > > >
> > > > > >             
> > > > > Here's what I mean, when you install a CentOS Xen kernel the grub
> > > > > menu for that kernel will look like this:
> > > > >
> > > > > title CentOS (2.6.18-53.1.14.el5.centos.plusxen)
> > > > >         root (hd0,0)
> > > > >         kernel /xen.gz-2.6.18-53.1.14.el5.centos.plus
> > > > >         module /vmlinuz-2.6.18-53.1.14.el5.centos.plusxen ro root=/dev/CentOS/root
> > > > >         module /initrd-2.6.18-53.1.14.el5.centos.plusxen.img
> > > > >
> > > > > You need to change the 'kernel /xen.gz-2.6.18-53.1.14.el5.centos.plus'
> > > > > to read 'kernel /xen.gz-3.2'
> > > > >
> > > > > If you don't do this xend will fail to run and your domains will
> > > > > fail to start because the userland tools are expecting a Xen 3.2
> > > > > kernel and you will have a Xen 3.1 kernel running.
> > > > >
> > > > >           
> > > > Ok, I see what you say. Not too familiar with grub menu, what exactly 
> > > > does that do? Does it just rename it, or does it tell the system to load 
> > > > a different file?
> > > >         
> > > Grub is what CentOS uses to determine which kernel file to start.
> > >
> > > The change will force grub to load the Xen 3.2 kernel instead of
> > > the Xen 3.1 kernel that the CentOS Xen kernel packages come with.
> > >       
> > Ok, that I understand. So, do I still need to install the default Xen 
> > kernel from the CD than?
> >     
>
> Yes, install the regular CentOS Xen virtualization stuff then afterwards
> upgrade the xen packages with those off xen.org, update your grub.conf
> and your good to go.
>
> -Ross
Thanx.

Will this work from a kickstart file, or so I need to let the machine 
boot into Xen first ?

--

Kind Regards
Rudi Ahlers
CEO, SoftDux

Web:   http://www.SoftDux.com
Check out my technical blog, http://blog.softdux.com for Linux or other technical stuff, or visit http://www.WebHostingTalk.co.za for Web Hosting stuff

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