Date: Tue, 19 Apr 2005 15:19:00 -0600 From: Ken Gunderson <kgunders@teamcool.net> To: freebsd-amd64@freebsd.org Subject: Re: designing new freebsd server for amd64 arch Message-ID: <20050419151900.29d0ee57.kgunders@teamcool.net> In-Reply-To: <20050419202419.GB63598@bahre.achedra.org> References: <Pine.OSF.4.62.0504191117280.435799@lib-eth.natur.cuni.cz> <d8e41c542eabf33e84258cb134360ba4@khera.org> <20050419202419.GB63598@bahre.achedra.org>
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On Tue, 19 Apr 2005 16:24:19 -0400 "Ketrien I. Saihr-Kesenchedra" <ketrien@error404.nls.net> wrote: > On Tue, Apr 19, 2005 at 04:02:47PM -0400, Vivek Khera wrote: > > > > On Apr 19, 2005, at 5:19 AM, David Komanek wrote: > > > > >Now I prefer: > > >Tyan Thunder K8WE, S2895A2NRF > > >2x AMD Opteron 250 Box > > >Adaptec 2130SLP > > I missed the start of this thread. Whoops! > First of all, don't use the K8WE. Use either the K8SPro or K8SR. The K8SR is > very picky about risers, though, so I generally recommend the K8SPro. Honestly, > Tyan is not my first choice either. The Iwill DK8S/DK8S2 is better on paper, > but I've never been able to find one. > > > No experience with these; the LSI 320-2X has been extremely reliable > > for us. > > The Adaptec 2130SLP is a big no-no. The driver is not 64-bit clean last I > looked. Skip the onboard SCSI and spend the money on an LSI 320-2 or 320-2X. > > > >4x Hitachi 3.5" 73.4 GB (SCSI Ultra 320),10 000 rpm > > If you can push yourself to 15kRPM drives, you'll be happier... I loved IBM drives years ago, but started having too many issues when they started cutting a few too many coreners. The things just started dying prematurely. Hitachi drives also have a fairly bad rep amongst serveral consultants I know. > You'll also have heat concerns; case is going to be very important. Generico > 4U is not going to cut it, nor will Chenbro. (Major SCSI backplane issues. > Not even remotely within specs.) Plus, I believe Hitachi's discontinued the > 10K174 line. Definitely go for the 15K's. > > > Run away!!! Run away!!! Run from the onboard bge ethernet! Buy a nice > > intel dual gigabit ethernet card use that. turn off the bge via the > > bios. They will lock your system or cause other problems under heavy > > disk+network load. > > Because Tyan clogged the PCI-X bus, the bge can act up in certain situations. > I haven't had time+resources to test complaints about bge+320-2X's locking up, > but I would bet money that if you took PCIX A down to 100MHz by jumper, it'd > at least happen far less frequently. The other complaints, well, I can't find > any real merit in them. A K8SPro w/320-2 using the onboard bge has exhibited > zero problems under extreme loads. If you're going to be subjecting the box > to load with a 320-2X, you'll likely have to put the 320-2X on PCIX B at 66MHz > to get it stable. Or get an Iwill. This isn't the first time Tyan's had PCI > timing issues, and I'm sure it won't be the last. To summarize, for the K8S Pro, it seems your suggestion would be to stay away from the pci- x adapters all together?? Which leaves something like the Adaptec 2120 or the LSI 320-1LP (for a 2U rackmount system). Can anyone give me some guidance if either of these has advantages/ disadvantages under fbsd amd64? Thanks for your insights. -- Best regards, Ken Gunderson GPG Key-- 9F5179FD "Freedom begins between the ears." -- Edward Abbey
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