Date: Fri, 16 May 2008 01:03:14 -0700 From: "Paul Saab" <ps@mu.org> To: "Claus Guttesen" <kometen@gmail.com> Cc: freebsd-stable@freebsd.org, Emil Mikulic <emikulic@gmail.com> Subject: Re: ciss(4) not coping with large arrays? Message-ID: <5c0ff6a70805160103o75461976wce04f697975a176c@mail.gmail.com> In-Reply-To: <b41c75520805160050l3c9acc4fx94bfabccb1f4d1d3@mail.gmail.com> References: <20080516073932.GA39803@dmr.ath.cx> <b41c75520805160050l3c9acc4fx94bfabccb1f4d1d3@mail.gmail.com>
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On Fri, May 16, 2008 at 12:50 AM, Claus Guttesen <kometen@gmail.com> wrote: > > Running today's RELENG_7 (although 7.0-RELEASE has the same problem), > > GENERIC kernel on an amd64 and I can't seem to get a da(4) device for > > any arrays bigger than 2TB. > > In earlier releases (5 and 6 at least) you couldn't create partitions > larger than 2 TB. I don't know whether work has been to circumvent > this in 7 but tools like fsck has to be changed as well. Have you > tried zfs? zfs has nothing to do with this. The driver is not properly dealing with the large volume. set the kernel tunable in loader.conf kern.cam.da.3.minimum_cmd_size=16 kern.cam.da.4.minimum_cmd_size=16
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