Re: [Xen-users] Install CentOS as Dom-U

[Boris Quiroz <boris.quiroz@xxxxxxxxxx>]

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On 01/04/2010 02:13 PM, Daniel Lam wrote:
> Hi there,
> 
> I'm getting confused trying to install CentOS as Dom-U.
> 
> I'm trying to follow instructions here, 
> 
> http://wiki.centos.org/HowTos/Xen/InstallingCentOSDomU
> 
> which is to
> 
> 1. Download "domU installation initrd image and kernel" from CentOS
> mirrors site
> 2. Create a Domain Config File which kernel and ramdisk parameters point
> to the 
>     files in step 1
> 3. Install the domain U by running "xm create <domain config file>"
> 
> So far so good. However in this domain U installation process, it asks about
> package source location and the instructions in wiki suggested supplying
> the 
> normal CentOS download location. I'm confused - this is as if I'm
> installing 
> a "real" CentOS, like installing dom0.
> 
> My questions:
> 
> - If I proceed, am I installing as a para-virtualized CentOS (which is
> what I want),
>   or am I installing as a full-virtualized CentOS (which is what it
> looks like to me at the moment)?
> 
When you install that way, you install a para-virtualized CentOS.

> - When I was previously using Debian as domain-0, xen-tools set up the
> guest domain
>   configuration file in such a way that its kernel parameter is
> specified "/boot/vmlinuz-2.6.26-2-xen-686".
>   However in the CentOS wiki, it's suggesting not to specify it after
> install.
>   I don't get it - Should kernel be specified? And if it is, does it
> mean the kernel of
>   domain-U is actually in domain 0?
> 
I think you can install some kind of GRUB (ie. pygrub) and use that to
boot up your DomU

> - With Debian I could use xen-tools. Are there similar tools with CentOS?
>   Some pointed virt-install but that appears to not have CentOS as one
>   of the OS options.
> 
If your Dom0 is a Debian, you've xen-tools to manage all your DomU's,
doesn't matter is those are debian, centos, fedora, etc.
> Cheers,
> Daniel
> 
> 
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

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