Date: Tue, 15 Nov 2005 18:46:02 +0300 From: "Andrew P." <infofarmer@gmail.com> To: Arden <arden@nildram.co.uk> Cc: freebsd-questions@freebsd.org Subject: Re: makings of a junk yard cluster ?? Message-ID: <cb5206420511150746x7ef91794m2259921face4a6a4@mail.gmail.com> In-Reply-To: <20051115151548.36d2b78a@vector.linux.vnet> References: <20051115151548.36d2b78a@vector.linux.vnet>
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On 11/15/05, Arden <arden@nildram.co.uk> wrote: > Hi Folk > > like most people involved in IT you tend to build you a "junk yard" of > redundant machines > > Ive just been through mine and found could at a push make 5 x86 PCs > > 2x amd 400mhz > 2x via 700mhz > 1x amd duron 1200 > > also have lots of spare nic cards > > Ive never looked at clusters before and this is just for fun (must have > way to much time on my hands) :) > > So I need to know would it be possible to build a cluster from these ? > I'm not sure if the nodes need to be matched in any way ? > > dose anyone know where to find an idiots to setting one up ? > > also what would the equivelent power be i.e would i just be making a > 1gig space heater ? It's hard to tell for sure, but one AMD 3000+ should eat them all for lunch. So there's no practical interest in it. But you can learn much from using all these machines together. First, do you need a real-deal cluster with MPI and other industrial protocols? If I were you, I'd call these machines a farm, and would first try some fail-over mechanisms (routing, http, dns, ipsec). We usually get to test fail-over using virtual pc's. Real boxes are somewhat harder to manage, but they are real, and the experience you get is a real hands-on "encounter". Then, some distributed jobs would be fun. I use distcc to compile many large pieces of software. Try it. Then you can try running something like dnetc or boinc and compare the results your farm produce to those your desktop shows. If you have a lot of NIC's, populate the boxes with all of them. Install FreeBSD everywhere and you can emulate _very_ complicated environments with vlans, trunks, OSPF, BGP and what not. Then go and get your CCIE. <...> Take care!
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