Date: Mon, 25 Feb 2008 18:42:28 +0100 From: "Ivan Voras" <ivoras@freebsd.org> To: "John Baldwin" <jhb@freebsd.org> Cc: freebsd-hardware@freebsd.org Subject: Re: PC Specifications for Free BSD Message-ID: <9bbcef730802250942h7df57a8bx994089ad270b3d6e@mail.gmail.com> In-Reply-To: <200802251026.50731.jhb@freebsd.org> References: <37427D4BD8F5714F9E2431023DD081AC02CDF186@EAEDUMW004.eemea.ericsson.se> <fp9co2$fcg$1@ger.gmane.org> <200802251026.50731.jhb@freebsd.org>
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On 25/02/2008, John Baldwin <jhb@freebsd.org> wrote: > On Sunday 17 February 2008 08:27:29 am Ivan Voras wrote: > > A friend of mine had problems with x3250; specifically with the mpt disk > > controller he got shipped with it (LSI 1064E SAS/RAID). The problem > > manifests in low IO performance on the drives and it's apparently > > something in the driver. If you can verify that your machine doesn't > > have this controller, or you don't care about disk IO performance, it's > > a good enough machine. > > Did you use SATA disks? There was a recent patch a few months ago to make the > mpt(4) driver enable the write-cache on SATA disks. It may require changing > a loader tunable to enable it by default though. Good idea, he probably did use SATA. I'll tell him about it.
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