Calypso File System

[IBM Research]

Calypso file system and distributed lock manager

Calypso: A scalable, recoverable file system for AIX clusters.

Scalability from caching and strong consistency
Recovery without explicit replication
True single system semantics
Simple administration
Small code size (30,000 lines)
Potential for application customization

CETM: A standalone, distributed locking service written in C++.

Separate AIX kernel extension
Multiple lock domains
Extensibility using object oriented techniques
Customization of lock conflict semantics
Support for recovery from node failures

Extended abstracts of papers on Calypso are available.

For more information, send e-mail to Webserve.

Last modified 5 June 1995

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