[CentOS-virt] moving from Xen to KVM

Pasi Kärkkäinen pasik at iki.fi
Wed Feb 24 21:38:47 UTC 2010

On Wed, Feb 24, 2010 at 08:16:53AM -0600, Dave Augustus wrote:
>    Hello All,
>    I have been building a new server to deploy using Xen. However, seeing
>    that Redhat is moving towards KVM, it would seem beneficial to deply this
>    server using KVM as well. This is a Centos 5.4 x86_64 fresh install.
>    So here is the scoop:
>      * running the xen kernel with 2 vms works great. I have 2 vms- a cobbler
>        host and an ldap host.
>      * running with non-xen kernel, I can't seem to get anything to work
>        right. Using virt-install from the command line, I get the response of
>        "Host does not support any virtualization options" yet I know it does.
>    What am I missing here?
>    I spent some hours last night searching and came up empty.

What does "xm info" say about caps/capabilities?
Do you see hvm supported? 

Xen HVM guests require CPU virtualization extensions (Intel VT, AMD-V) to be present 
and enabled in the BIOS.

-- Pasi

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