From mboxrd@z Thu Jan  1 00:00:00 1970
From: Phillip Susi <psusi@cfl.rr.com>
Subject: Re: 2 TB wraparound on snapshots
Date: Sat, 12 Jun 2010 14:47:55 -0400
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Update: it seems this is a problem specific to snapshots.  I used 
dmsetup to create a linear mapping > 2tb which worked fine.  When 
writing beyond the 2TB mark to the snapshot, it aliases exceptions 
starting at sector 0.