Parallel

The Galley Parallel File System
A filesystem designed for parallel computers. Description of file structure, papers, and source code.
http://www.cs.dartmouth.edu/~dfk/nils/galley.html

Global File System
A shared disk cluster filesystem for Linux that supports journaling and failure recovery. Source code, documentation, papers, and mailing list.
http://www.redhat.com/gfs/

IBM: GPFS
General Parallel File System for AIX.
http://www.almaden.ibm.com/StorageSystems/projects/gpfs/

Parallel Virtual File System
A parallel file system for Linux clusters. Source code, manual, and papers.
http://parlweb.parl.clemson.edu/pvfs/

Parallel Virtual File System, Version 2
The next generation of Parallel Virtual File System. Source code, documentation, and mailing list.
http://www.pvfs.org/

Proposal for a Common Parallel File System Programming Interface
Paper about an API for parallel filesystems.
http://www.cs.cmu.edu/~riedel/ftp/SIO/API/cmu-cs-96-193.abstract.html