Doh, sorry Matt - you know I didn't even see anything down below where
you quoted, my bad. Yeah, I read that you can pvresize (what I'd meant
to say), but I was seeing some questionable result via some mail
threads. I haven't done it myself to experience success or failure, as
I don't typically have contiguous space to reallocate like this. I'm
curious the outcome if you want to try, but definitely something to test
on a disk, even a thumb drive typically suffices.
Adding another partition/pv shouldn't cause any overhead to add the rest
of the space to the vg, and that I can quote all day long as
successfully done.
-mb
On Mon, 2009-08-24 at 18:42 -0700, Matt Graham wrote:
> From: Michael Butash <michael@butash.net>
> >> Or just fdisk the thing, expand the last partition and reboot. No
> >> need to make things more complex than necessary.
> > That's the thing, I don't think that'll work.
>
> Which is why I wrote (in the part you failed to quote):
>
> -------
> Use fdisk to make it larger, reboot, then run pvresize
> on the PV, then run lvresize on the LV, then run resize2fs on the
> filesystem on the LV.
> -------
>
> > The PV and subsequent VG and LVM's expect a certain format
> > to the blocks of data. Regardless, I think you'll have to prep
> > the new, unused space in such a way it's acceptable to LVM
>
> The man page for pvresize says that's what it does. I don't even
> have pvextend on my system here. Did you mean "vgextend"? That's
> on a different layer of the LVM system, and is used for the other
> (more complicated) approach of making a new PV.
>
> If you have a spare disk lying around, you can recreate this
> approach on that disk and see how it works. A keychain drive
> should work fine.
>
> > I wouldn't be too hasty with toasting my data...
>
> The OP has a recent backup. Right?
>
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