Date: Tue, 17 Sep 2013 12:22:42 -0700 (PDT) From: Dennis Glatting <dg@pki2.com> To: Michael Chen <michael@foxbatcapital.com> Cc: freebsd-questions@freebsd.org Subject: Re: this 48-core box... Message-ID: <alpine.BSF.2.00.1309171215250.68048@btw.pki2.com> In-Reply-To: <52388C9B.6030205@foxbatcapital.com> References: <52388C9B.6030205@foxbatcapital.com>
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On Tue, 17 Sep 2013, Michael Chen wrote: > I'm considering bidding on this 48-core box: > > http://www.ebay.com/itm/Supermicro-A-Server-1042G-TF-1U-H8QG6-4-CPUS-48-cores-2-2Ghz-128GB-RAM-/151119828428?pt=COMP_EN_Servers&hash=item232f7195cc > > Does anyone have experience with it and can I use all the cores? > I have one of those boards running 32 cores. You MUST run FreeBSD 9+ if you want access to more than 32 cores. Currently there is a bug in the stable/9 mfs drivers that do not allow you to boot from a RAID array. I believe a patch has been submitted. I have a copy of the patch and it works fine. I have had significant problems with ZFS under stable/9 however I haven't tried recent updates, rather I had to punt back to stable/8 (production machine). I have 22 3TB disks, 4 256GB SSDs, 256GB RAM, and 4x16 cores on my machine. I also have a 10GbE cardin my machine that runs fine. I DO NOT use the CD. Other than the issues I mentioned, runs fine.
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