Kerrighed

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Kerrighed is an open source single-system image (SSI) cluster software project started in October 1998 in the Paris research group at IRISA, under the direction of Christine Morin.

Implemented as an extension to the Linux operating system, it helps scientific applications such as numerical simulations to use more power. Such applications may, for instance, be using OpenMP, MPI and/or a Posix multithreaded programming model.^[1]

Kerrighed provides several features such as a DSM with a sequential consistency model, processes migration from one cluster node to another, and to a limited extent checkpointing. Kerrighed introduces a container concept: this entity is an abstraction of both files and memory.