Welcome to the MEDUSA web site


Medusa is a large beowulf-class parallel computer, built and operated by the LSC group at the University of Wisconsin - Milwaukee (UWM). It became operational in August 2001 and is being used to develop and prototype data analysis for the Laser Interferometer Gravitational-wave Observatory (LIGO). Medusa is used by members of the LIGO Scientific Collaboration (LSC) and also serves as a resource for the GriPhyN collaboration.

This web site contains documentation for LSC members about how to use MEDUSA, and how MEDUSA works. On the left-hand side of this page are a set of links which you can follow to get additional information about MEDUSA. There is also a search tool which you can use to find relevant web pages.

A few facts about MEDUSA

Photo of cluster    Photo of cluster

These pictures show two views of MEDUSA. In the first picture, the back shelf contains 120 nodes, the middle shelf 80 nodes, and the closest shelf 96 nodes. The second pictures shows the shelf with 120 nodes. The networking switch can be seen at the back of the middle shelf, with cable trays leading to it. The large white boxes on top of the shelves are 2.2 KVA Uninteruptible Power Supplies (UPSes). Additional pictures can be found in the Photo Gallery (to the left).


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