[virt-tools-list] virsh and attach-device

[Zdenek Styblik]

On 10/15/2010 11:25 AM, Zdenek Styblik wrote:
> On 10/15/2010 11:13 AM, David Cure wrote:
>>
>> 		Hello,
>>
>> 	I want to attach a disk in a running linux squeeze VM (KVM), the
>> disk is based on an lv snapshot.
>>
>> 	I define my disk in an xml file :
>>
>>     <disk type='block' device='disk'>
>>       <driver name='qemu'/>
>>       <source dev='/dev/vgkvm/lv-tahiti-backup'/>
>>       <target dev='vdb' bus='virtio'/>
>>     </disk>
>>
>> 	And run this command : virsh attach-device vm fic.xml and the
>> result is "Device attached successfully"
>>
>> 	but in my vm, I don't see the disk (fdisk -l), nothing in the
>> log in the VM related to the disk, and nothing in the vm.log on the KVM
>> host.
>>
>> 	Any idea ? thanks,
>>
>> 	David.
>>
>> PS: I try attach-disk too but I can't choose qemu for the driver.
>>
>>
>>
>>
>> _______________________________________________
>> virt-tools-list mailing list
>> virt-tools-list at redhat.com
>> https://www.redhat.com/mailman/listinfo/virt-tools-list
> 
> Hi,
> 
> I had too the very same problem and I've just given up on it. I haven't
> figured out how to use virtio HDD nor found appropriate driver for it
> (tested with kernel 2.6.32.x).
> 
> But as I've said, I've given up (for now).
> 
> Just to let you know you're not alone :P
> 
> Zdenek
> 

http://www.linux-kvm.org/page/Virtio

/dev/vdX

it works as expected, however you must have virtio friendly kernel,
which is not the case of Slackware ISO. ;)

I hope this helps,
Zdenek

-- 
Zdenek Styblik
Net/Linux admin
OS TurnovFree.net
email: stybla at turnovfree.net
jabber: stybla at jabber.turnovfree.net