01-04-2010
You indeed have a cluster of Linux servers. What you are trying to do is to get your cluster to perform certain tasks in parallel. There are three different kinds of tasks you can do: (1) system administration, (2) compilation and making, and (3) task execution. So far people have commented on a solution for (2) -- pdcc and make -j can be used for this -- and for (3) SGE, but also openmpi. For (1) -- administration -- having only 5 computers is small enough to do it by hand -- ie, use command-line and scripts to synchronize the hosts. But but you can also use parallelizing remote execution tools such as pdsh or mussh, or cluster tools such as flamethrower and rdist to make your life easier.
To get all of the above from scratch, I highly recommend ROCKS, which will install a standardized linux framework on all the hosts, complete with monitoring, and a fully integrated parallel execution environment based on whichever "Rolls" you select (ie, SGE or Torque; OpenMPI or MPICH; Intel CC or GNU CC; etc).
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