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Re: [linux-lvm] Joining physical volumes

On Mon, Aug 14, 2006 at 10:56:38AM -0400, Stefan Monnier wrote:
> For historical reasons, my hard drive has now 3 contiguous physical
> partitions, all managed by LVM for the same volume group.
> I'd like to get rid of this silliness and turn those 3 partitions into
> just 1.  I don't have much/any extra space available and I'd rather not
> have to resort to backup/format/restore.
> Is there some clever way to do that?  Ideally, I should be able to do the
> conversion without moving the actual data at all since the same sectors
> will be available.

I've been in the same situation before and never gotten around to doing
anything about it, until I buy a new bigger disk :-)

If the partitions are truly contiguous (not DOS extended partitions for 
instance), then the PEs should all be aligned the same and it ought to
be possible, in a similar fashion to what I describe in another thread
here.  I don't have a pvmerge on my boxes, but then I don't have a 
pvresize or a pvextend, so maybe I'm missing a few bits :-)

does parted do anything with HM LVM ?

backups are good :-)

Perl 6 will give you the big knob. -- Larry Wall

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