Date: Tue, 9 Aug 2005 17:36:19 -0500 From: Karl Denninger <karl@denninger.net> To: S?ren Schmidt <sos@freebsd.org> Cc: njl@freebsd.org, "Schlake \(William Colburn\)" <schlake@nmt.edu>, Pawel Jakub Dawidek <pjd@freebsd.org>, mdodd@freebsd.org, freebsd-geom@freebsd.org Subject: Re: When will gmirror work in FreeBSD 5? Message-ID: <20050809223619.GA99684@FS.denninger.net> In-Reply-To: <E19B4F9A-7984-4EAF-90AE-C03982D315E4@FreeBSD.ORG> References: <20050809180341.GA11970@nmt.edu> <20050809182605.GA6445@garage.freebsd.pl> <E19B4F9A-7984-4EAF-90AE-C03982D315E4@FreeBSD.ORG>
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On Tue, Aug 09, 2005 at 11:21:12PM +0200, S?ren Schmidt wrote: > > On 09/08/2005, at 20:26, Pawel Jakub Dawidek wrote: > > >On Tue, Aug 09, 2005 at 12:03:41PM -0600, Schlake (William Colburn) > >wrote: > >+> My computer started out with 2 gmirrored drives on FreeBSD 5. > >Back in > >+> March I got two new hard drives and gmirrored them for the extra > >space. > >+> I quickly discovered that my data was corrupted on writes. A > >search of > >+> the bugs database revealed that this was a known issue > >+> (http://www.freebsd.org/cgi/query-pr.cgi?pr=i386/77643). > >+> > >+> I'm out of disk space, and I would really like to use my two > >extra disks > >+> that have been spinning idle for the past five months, but there > >has > >+> been no work on the ticket? > > > >There is nothing to fix in gmirror, it should be fixed in ATA code. > >(CCing sos@, mdodd@ and njl@). > > Well, if the HW is as in the PR you better fix that sii3112 by > getting a real SATA controller. > After that you should get 6.0 or 5.x + the ATA mkIII patches at > least, ATA as is in 5.4 is not supported by me, and known to have > several issues ... > > - S?ren Gmirror with 4 spindles, half on an Intel ICH5 (motherboard) and half on a 3ware 8000 series card is working for me on both 5.4 and 6.x both in test and under heavy production loads (in the case of 5.4.) The loads I have placed it under for 6.x have been synthetic, but approximating production in terms of distribution of operations and intensity. $ uname -v FreeBSD 5.4-STABLE #11: Fri Apr 8 09:48:24 CDT 2005 karl@FS.denninger.net:/usr/obj/usr/src/sys/KSD-SMP The Sii311x series cards have SERIOUS issues including DMA WRITE errors which apparently are not going to be addressed; I too have an open PR on this from back in February, and eventually gave up and bought a 3ware card. -- -- Karl Denninger (karl@denninger.net) Internet Consultant & Kids Rights Activist http://www.denninger.net My home on the net - links to everything I do! http://scubaforum.org Your UNCENSORED place to talk about DIVING! http://genesis3.blogspot.com Musings Of A Sentient Mind
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