Resizing a partition used by LVM

[Ewan Mac Mahon]

On Fri, Sep 08, 2006 at 10:40:56PM +0100, Tony Arnold wrote:
> I'm struggling to find any information on this. I've resize  my physical
> volume and now I want to resize the partition that it is in. However,
> gparted won't do it; the move/resize option is greyed out for partitions
> of type LVM. I've tried it by booting from the Ubuntu desktop CD.
> 
> Any suggestions?

I think this is one of those classic "don't do that" sorts of things;
the idea with LVM being that you mostly leave the PVs alone and just
rearrange the LVs on top. Have you got/can you borrow enough spare
storage to add a new PV to your volume group, pvmove all the data off
the current one, remove it from the VG, nuke it, recreate it how you
want, re-add it, then pvmove everything back again?

Is there no way of doing whatever you're actually trying to acheive at
the LV layer without altering the PVs?

Ewan
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