Andrew Cathrow wrote:
A network install is the best option but you can always add and remove
devices using virsh
Have a look in the man page for virsh at attach-disk and detach-disk
On Fri, 2007-09-21 at 22:36 -0400, Mark Nielsen wrote:
or create a DVD .iso file from the 6 CDs. I have instructions on my
website, www.certifried.com <http://www.certifried.com>
John Summerfield wrote:
> John Lagrue wrote:
>> All working a treat: created the guest (fully virtualised - I have no
>> time for Xen), setup disk space in a 6Gb file, gave it a name, and
>> pointed the installation source to be the first of 6 .iso files for
>> Centos 5 installation
>>
>> ......then it asks for the second CDRom!
>>
>> How the blazes is one supposed to tell it where to get the file?
>>
>> I'm completely stuck! I thought this was supposed to work with .iso
>> files and I wouldn't have to burn 6 CDs. But what happens now?
>>
> Last I read, the ability to change CD was "planned for the future."
>
> You're better off using the DVD image. If you can find a .jigdo file
> and template (I think CentOS does it), then you don't have to download
> much of CentOS 5 again.
>
> Or do a network install: nfs should work really well over a virtual LAN.
If you don't mind the bleeding edge, the latest release of libvirt
supports connecting and disconnecting cdrom backing devices (or isos)
from a fullvirt xen guest. The xen guest must have a cdrom device with
no "source" line in its xml definition (unfortunately we don't support
this with KVM yet although we plan to soon). If you call "virsh
attach-device <domain> <device.xml>" where "device.xml" is an xml file
with a complete device definition like so:
<disk type='block' device='cdrom'>
<source dev='/dev/cdrom'/>
<target dev='hdc'/>
<readonly/>
</disk>
then libvirt will attach your host cdrom device to the guest's cdrom
device. Then to disconnect the cdrom, call "virsh attach-device <domain>
<device.xml>" where "device.xml" is an xml file like the above, but with
no "source" element.
The upcoming release of virt-manager (should be out today if it isn't
already) has UI that supports this capability. Again, to be clear, this
only works for fully virtualized Xen guests at the moment; we're working
on adding it to kvm but have no idea when that will be available.
Hope this helps somewhat.
Take care,
--Hugh
--
Red Hat Virtualization Group http://redhat.com/virtualization
Hugh Brock | virt-manager http://virt-manager.org
hbrock@xxxxxxxxxx | virtualization library http://libvirt.org
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