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From: karl@mouse-hole.com
Subject: Re: [linux-lvm] Resize physical volume SOLVED
Message-Id: <1241612917.8151@mouse-hole.com>
Date: Wed, 06 May 2009 13:28:37 +0100 (BST)
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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@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 =91data=92,
> > 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=85
> >
> > These are the steps I took:
> >
> > * Deactivate all vg=92s
> > * 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
> > =96getsz). But running a pvscan, lvm tells me it cant find sda6.
> >
> > What am I missing?
> >
> >
> >
> > Regards
> >
> > Karl

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