[fedora-virt] any possible conflict between host and guest "VolGroup00" VGs?

[Daniel P. Berrange]

On Tue, Apr 21, 2009 at 06:52:19AM -0400, Robert P. J. Day wrote:
> 
>   i'm perusing the section on "Accessing data on guest disk images"
> here:
> 
> http://fedoraproject.org/wiki/Getting_started_with_virtualization#Accessing_data_on_guest_disk_images
> 
> and noticed that, because i accepted the default volume group name for
> both host and guest, both of them have a volume group name of
> "VolGroup00", which confused me for just a few seconds until i
> realized what was going on.
> 
> but other than being confusing, is there any potential clash that
> could result from having the same volume group name in both cases?

Yes, if you ever need to expose the guest's volgroup in the host for 
some reason, you'll end up with a clash.

For this reason I always tend to give my hosts a VG name of 'HostVG'
and guests 'GuestVG' - or even give each guesta VG name based on the
guest name. 

Daniel
-- 
|: Red Hat, Engineering, London   -o-   http://people.redhat.com/berrange/ :|
|: http://libvirt.org  -o-  http://virt-manager.org  -o-  http://ovirt.org :|
|: http://autobuild.org       -o-         http://search.cpan.org/~danberr/ :|
|: GnuPG: 7D3B9505  -o-  F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|