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From: Joe Thornber <thornber@redhat.com>
Subject: Re: [linux-lvm] LVM Multi Path Support
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Date: Fri Mar  5 04:05:00 2004
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On Fri, Mar 05, 2004 at 11:12:38AM +1100, Franc Carter wrote:
> LVM appears to do the 'right thing for me' in that it recognises
> that the the two PVs are one (I assume via the UUID) and ignore
> the second LUN.

Yes, LVM writes a label to the start of a PV to identify it.

> I'd like to know if this is just good luck, or if it's behaviour
> I can rely ?

I don't think it's defined which of the 2 devices LVM will choose,
does this matter ?  If so you could always set up a filter in lvm.conf
to remove one (probably advisable anyway).

- Joe