On Sun, 7 Jan 2007 11:22:30 +0000 [EMAIL PROTECTED] (Andrew M.A. Cater) wrote: > > Fedora Legacy just closed its doors - if you take a couple of months > to get your Uebercluster up and running, you're 1/3 of the way > through your FC cycle :( It doesn't square.
Speaking of which, I recently built a tiny (<20 nodes) cluster using: Sun X2200 (2X Opteron 2210) InfiniBand Fedora Core 6 for x86_64 and it was remarkably easy to get MPI working with IB using OpenMPI, libibverbs, and libmthca (the latter two being available in Fedora Extras and installed with 'yum install ...'). I can certainly appreciate how long it takes to build medium to large clusters for larger and more diverse types of users. But I don't see why there is a pressing need to upgrade the compute nodes as soon as a particular Fedora release is no longer current. If your setup is working then its working -- its no less valid just because your Fedora version is one (or perhaps even three) behind the latest. As others have thoughtfully described, cluster security is typically a gateway or other "choke point" that mostly divorces it from the actual compute nodes. So, once you have things working nicely, you should have vanishingly few reasons to waste time chasing after the latest 'n greatest distro version. It least, that's my view... :-) Ed -- Edward H. Hill III, PhD | [EMAIL PROTECTED] | http://eh3.com/
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