[linux-lvm] lvextend fails on v2 metadata

[Alasdair G Kergon]

On Sun, Apr 18, 2004 at 08:23:03PM +0200, Jan Kasprzak wrote:
> Then I have written a simple Perl script to lvextend the test_lv volume
> by 1 extent from either md5 or md6, depending on which one has the higher
> fraction of free extents. This way I will get as perfect interleaving as I
> can get on the PVs of different size.

The method you're using means every extent gets listed separately in the
metadata, so you'll need to prepare a lot more space for it when you
run pvcreate.

Check out the --metadatasize option to pvcreate.
[NB You can't manipulate these settings yet without losing the data 
on the device]

[A striping implementation which lets you specify differently-sized 
chunks for each device, anyone?]
 
Alasdair
-- 
agk at redhat.com