Date: Tue, 28 May 2002 17:01:25 +0930 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Lamont Granquist <lamont@scriptkiddie.org> Cc: Cy Schubert - CITS Open Systems Group <Cy.Schubert@uumail.gov.bc.ca>, Kirk Strauser <kirk@strauser.com>, freebsd-stable@FreeBSD.ORG Subject: Re: Hardware RAID vs vinum Message-ID: <20020528170125.S16567@wantadilla.lemis.com> In-Reply-To: <20020528002940.G449-100000@coredump.scriptkiddie.org> References: <20020528095948.D16567@wantadilla.lemis.com> <20020528002940.G449-100000@coredump.scriptkiddie.org>
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On Tuesday, 28 May 2002 at 0:30:35 -0700, Lamont Granquist wrote: > > > On Tue, 28 May 2002, Greg 'groggy' Lehey wrote: >> On Monday, 27 May 2002 at 6:02:23 -0700, Cy Schubert - CITS Open Systems Group wrote: >>> >>> It turned out that moving the application to hardware RAID improved >>> performance by 40 times. >> >> This can only happen if there's something very wrong with the software >> RAID-5, either the implementation or the configuration. > > My first thought was cache on the hardware RAID array. Mine too. But that wouldn't normally give that much of on improvement. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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