From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Sat, 6 Dec 2014 01:40:13 +0000
From: Alasdair G Kergon <agk@redhat.com>
Message-ID: <20141206014013.GA2541@agk-dp.fab.redhat.com>
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Subject: Re: [linux-lvm] ThinProvisioned lvm's Don't Activate or Mount
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To: Rock <roark.maccado@gmail.com>
Cc: linux-lvm@redhat.com

On Wed, Dec 03, 2014 at 04:12:18PM +0000, Rock wrote:
>   Thin pool transaction_id is 649, while expected 647.

You can't "undo" changes to a thin pool like that.

Because of the way the data is stored changes to thin devices generally 
cannot be reversed.

What change were you trying to revert?

Alasdair