[virt-tools-list] Using LV as guest disk on KVM

Cole Robinson crobinso at redhat.com
Tue Nov 18 23:28:57 UTC 2014


On 11/18/2014 06:26 PM, Richard Taubo wrote:
> Hi!
>
> I have created a guest disk like this:
> a) lvcreate -L 30G -n Vm1 VolGroup
> b) mkfs.xfs /dev/VolGroup/Vm1
>
> And installed the VM like this:
> c) virt-install --name=vm1.mydomain.com \
> 	--disk path=/dev/VolGroup/Vm1 \
> 	… rest_of_arguments
>
> Questions:
> 1) 	Is b) above necessary, or are a) and c) sufficient?
>
> 2) 	If b) is necessary, should /dev/VolGroup/Vm1 be mounted while installing and
> 	while running the VM?
>

If you're passing OS install media to virt-install, the b) is not required: 
the os installer will format the disk, same as it would on a physical machine.

- Cole




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