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Date: Thu, 18 Mar 2010 11:32:20 -0400
From: Mike Snitzer <snitzer@redhat.com>
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	<20100318161544.5aa9eb30.andreas.olsowski@uni.leuphana.de>
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Subject: Re: [linux-lvm] how to change the volume group name of the attached
	backup
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To: LVM general discussion and development <linux-lvm@redhat.com>

On Thu, Mar 18 2010 at 11:15am -0400,
Andreas Olsowski <andreas.olsowski@uni.leuphana.de> wrote:

> > But I cant mount /dev/sdb as it is on LVM. As both are having same VG
> > NAME I can't even mount logical volume.
> try:
> vgextend NAME /dev/sdb

No, please don't.  This advice is incorrect.  vgimportclone is the only
supported lvm tool to make a cloned LUN distinct.