From mboxrd@z Thu Jan  1 00:00:00 1970
From: Phillip Susi <psusi@cfl.rr.com>
Subject: Re: Re: LVM on dmraid breakage
Date: Wed, 08 Aug 2007 17:06:03 -0400
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Alasdair G Kergon wrote:
> On Tue, Aug 07, 2007 at 11:17:47AM +0200, Luca Berra wrote:
>> 1) disable the automatic vgscan performed by every lvm command
> 
> With access to a 100% accurate external device database instead of the
> existing .cache this is easy.
> The --trustcache argument would be enabled by default on such a system.

It doesn't even need to look somewhere special for a cache, just needs 
to be passed the list of devices on the command line it should open 
rather than generating a list from a readdir() of /dev.