On Tue, 14 Dec 2010 17:37:53 +0800 Brad Campbell <brad@xxxxxxxxxxx> wrote: > And in the prior incarnation I was only using 1 port on that controller so > the problem would never have manifested itself. Thanks, at least I have > something to try. To add another idea to my previous reply, it should be pretty easy to test for the presence of this particular problem by running your dd+md5sum test on just the two physical disks which are plugged into that controller, starting the tests simultaneously on both disks (in two terminal windows). See if you get varying sums over several runs that way. -- With respect, Roman
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