[Ma-linux] cloning logical volumes

[James Ewing Cottrell 3rd]

You could also mirror the data, then throw away the old disk, recovering 
from the second.

But heck, how about just making a snapshot, and then rsyncing the 
snapshot to another LVM filesystem?

JIM

Aaron M. Ucko wrote:
> Przemek Klosowski <przemek at nist.gov> writes:
> 
>> I know that one can filter out the new drive in /etc/lvm/lvm.conf, but 
>> even then we'd be dd-ing a live system, so the filesystem might be 
>> captured incorrectly. The correct way seems to be somehow snapshot the 
>> old drive onto the new drive using LVM, but in a way that creates 
>> different PV UUIDs on the cloned volume.
> 
> TTBOMK, the recommended procedure is to create a fresh PV, use vgextend
> to add it to your existing VG, and then use pvmove to migrate the data.
> 
> 
> 
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