On Wednesday 05 December 2007, Albert Hopkins wrote:
> On Wed, 2007-12-05 at 15:24 +0000, Mick wrote:
> > Hi All,
> >
> > Could you please hold my hand sorting some LVMs - I have no experience on
> > this and would not like to mess it up:
> >
> > I have create a PV which currently contains /dev/sda5.  I have also
> > created a new PV which contains /dev/sdc1.  I want to move /dev/sda5
> > (11.9G) to /dev/sdc1 (150G) and then remove /dev/sda5 from this OS and
> > later on from this machine.  How should/could I go about it?
>
>      1. Back up your data!
>      2. Add /dev/sdc1 to the same VG as /dev/sda5 (vgextend)
>      3. pvmove -v /dev/sda5 /dev/sdc1
>      4. Wait a really long time
>      5. Verify nothing is on sda5 (pvdisplay /dev/sda5)
>      6. Deallocate sda5 (pvchange -x n /dev/sda5)
>      7. Remove sda5 from the VG (pvremove)

Life saver!

Question re. step 2:  Does /dev/sdc1 *have* to be added (vgextend) to the same 
VG_old as /dev/sda5, or could it be added (vgcreate) to a new VG_new?

Thanks!
-- 
Regards,
Mick