Calypso is a clustered file system developed at Watson. It is used as the underlying catalog server for Tiger Shark as well as for file storage in the Scalable Video and Web Server. It provides true single-system semantics across a cluster of nodes, and is extensible and recoverable. The Calypso Extensible Token Manager (CETM) is used for consistency control in the Scalable Web and Video Server.

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Calypso Clustered File System Architecture

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Rajat Mukherjee <rajatm@watson.ibm.com>

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