From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Fri, 6 Jan 2017 13:19:02 -0600
From: David Teigland <teigland@redhat.com>
Message-ID: <20170106191902.GB22165@redhat.com>
References: <78cb8a27a39f59bc31b11e1044af620f@dds.nl>
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In-Reply-To: <78cb8a27a39f59bc31b11e1044af620f@dds.nl>
Subject: Re: [linux-lvm] how to change UUID of PV of duplicate partition
 (followup)
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To: Xen <list@xenhideout.nl>
Cc: Linux lvm <linux-lvm@redhat.com>

On Fri, Jan 06, 2017 at 08:10:20PM +0100, Xen wrote:
> This is what I mean:
> 
>   Found duplicate PV 3U9ac3Ah5lcZUf03Iwm0cgMMaKxdflg0: using /dev/sdb4 not
> /dev/sdc4

The handling of duplicate PVs has been entirely redone in recent versions.
The problems you are having are well known and should now be fixed.