On Sat, 2010-06-12 at 14:47 -0400, Phillip Susi wrote: > 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. So do you have a 64 bit system (like an amd64) that you can try this with? If it only occurs on the i686 system, then it's likely a long to sector conversion bug somewhere in the snapshot code. If it occurs on both, there's some 2TB limit coded directly into snapshots. James -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel