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Byte.com: The Mosix Linux Cluster

Oct 02, 2000, 20:12 (3 Talkback[s])
(Other stories by Moshe Bar)

[ Thanks to Moshe Bar for this link. ]

"The Linux world is in clustering frenzy. A scant few months ago, the only solution was to write your own clustering software for high availability. True, for the scientific-clustering arena, there was also the option of using Beowulf or message-passing clustering libraries such as PVM. However, apart from these early solutions, Linux lagged behind proprietary and commercial clustering options."

"Things look decidedly more bright now. We have SGI's Failsafe almost completely ported, we have the Linux High Availability project, we have the Piranha cluster by Red Hat, and many others."

"There are also some very viable scientific clustering solutions. The best of which is Mosix. Mosix implements a Single System Image cluster (SSI). SSI clusters are best because they give users the impression of working on a single giant computer instead of a cluster of individual nodes. Users can log onto any node of a Mosix cluster and launch processes that run anywhere in the cluster deemed appropriate by the clustering software in the kernel. If users correctly implement DNS they just telnet to cluster.mynet.com and the DNS round-robin feature lets them log onto a random node and fork programs. And fork and fork and fork. In fact, the Mosix technology is often described as "fork-and-forget."Some Mosix clusters count among the top 50 supercomputers in the world. Having enough unused computing equipment in my lab I decided to build a sizable Mosix cluster myself. I took the following hardware and installed the Mosix kernel on all of them...."

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