Date: Fri, 8 Apr 2005 10:19:07 -0700 (PDT) From: Doug White <dwhite@gumbysoft.com> To: Brian Behlendorf <brian@hyperreal.org> Cc: freebsd-questions@freebsd.org Subject: Re: IBM eServer 346 ServeRaid is too slow Message-ID: <20050408101651.L63303@carver.gumbysoft.com> In-Reply-To: <20050407013544.W73813@paz.hyperreal.org> References: <200504061842.43294.eugene@imedia.ru> <42548B2D.9010503@xena.ipaustralia.gov.au> <20050407013544.W73813@paz.hyperreal.org>
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In the future, don't cross post -questions and other lists. I'm leaving the cc: on since we may have people watching the thread, but please remove -questions for any followups. Thanks. On Thu, 7 Apr 2005, Brian Behlendorf wrote: > On Thu, 7 Apr 2005, Carl Makin wrote: > > I'd say you are seeing the same as I am with the same card in a Dell 1855. > > There is something wrong with the mpt driver and the disks when they are > > setup in a raid0 set. If you split the disks and use them as individual > > drives then you will get full performance. > > It's also a known problem, though not being tracked very well. > > http://lists.freebsd.org/pipermail/freebsd-scsi/2004-December/001577.html > http://lists.freebsd.org/pipermail/freebsd-scsi/2004-December/001578.html > > Doesn't look like (from viewcvs.cgi) there's been any recent work on > this. We're waiting on a driver update that is tied up in legalities at the moment. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
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