[CentOS] Xen3.2 rpm's?
Rudi Ahlers
Rudi at SoftDux.com
Fri Mar 28 15:50:35 UTC 2008
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.
>
>
> -Ross
>
> ______________________________________________________________________
>
Ok, that I understand. So, do I still need to install the default Xen
kernel from the CD than?
--
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 stugg
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