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Date: Mon, 27 Sep 2004 19:58:11 +1200
From: Steve Wray <steve@myself.gen.nz>
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Subject: Re: [linux-lvm] which files, which physical volumes?
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To: LVM general discussion and development <linux-lvm@redhat.com>

Alasdair G Kergon wrote:
> On Sun, Sep 26, 2004 at 01:27:57PM -0700, Eric Hopper wrote:
> 
[snip]
>   Test mode works a different way in LVM2 - it's designed for testing
>   and simply disables all writes at the lowest level of the code 
>   (to guarantee safety) - but reports success to the calling function.  
>   Many code paths don't yet say 'stop here if this is test mode' so
>   they stop instead with an error when they find an inconsistency
>   because they thought they changed something, but it got read back
>   unchanged.

wow it makes a lot more sense now.

This could really do with going into the pvmove man page, which is a bit 
sparse as it is...