[linux-lvm] Resize physical volume SOLVED

[karl at mouse-hole.com]

Hi all

Just to let you all know, I finally got this sorted.

The problem was these partitions had been part of an md raid. By zeroing them out (mdadm wouldnt zero the superblock, but dding from /dev/zero worked) then following the exact same procedure it worked flawlessly.

Rgds
Karl

karl at mouse-hole.com wrote ..
> Hi
> 
> Does anyone have any advice on this matter?
> 
> Regards
> Karl
> 
> Karl Wagner wrote ..
> > Hi all
> >
> > I have just been through a fairly major reorganisation of my data, and need to
> > resize the physical volumes in my LVM setup.
> >
> > Currently I have sd[a-d]6, which are physical volumes for the volume group ‘data’,
> > and sd[a-d]7, which contain nothing. My plan was to get rid of p7 on each device
> > and extend p6 to include that space. However when I tried on sda, I got an error
> > after of Couldn't find device with uuid…
> >
> > These are the steps I took:
> >
> > * Deactivate all vg’s
> > * Fdisk /dev/sda
> > * Delete p7
> > * Delete p6
> > * Create p6 with start at start of old p6, end at end of old p7
> > * Write part table
> >
> > At this point, sda7 has gone and sda6 is the correct size (checked with blockdev
> > –getsz). But running a pvscan, lvm tells me it cant find sda6.
> >
> > What am I missing?
> >
> >
> >
> > Regards
> >
> > Karl