Date: Wed, 24 Sep 2014 06:37:30 -0500 From: Andrew Berg <aberg010@my.hennepintech.edu> To: <freebsd-questions@freebsd.org> Subject: Re: ZFS and 2 TB disk drive technology :-( Message-ID: <5422ACFA.3020503@my.hennepintech.edu> In-Reply-To: <201409241108.s8OB85mY021922@sdf.org> References: <201409241108.s8OB85mY021922@sdf.org>
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On 2014.09.24 06:08, Scott Bennett wrote: > If anyone reading this has any suggestions for a course of action > here, I'd be most interested in reading them. Thanks in advance for any > ideas and also for any corrections if I've misunderstood what a ZFS > mirror was supposed to have done to preserve the data and maintain > correct operation at the application level. I skimmed over the long message, and my first thought is that you have a messed up controller that is lying. I've run into such a controller on a hard drive enclosure that is supposed to support disks larger than 2TB, but seems to write to who knows where when you want a sector beyond 2TB, and the filesystem layer has no idea anything is wrong. This is all just an educated, guess, but considering you get errors at a level below ZFS (would it be called the CAM layer?), my advice would be to check the controllers and perhaps even the disks themselves. AFAIK, issues at that layer are rarely software ones.
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