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The File Systems team explores and develops new technologies in file
systems and facilitates using these technologies in IBM products.
The File Systems team at IBM Almaden Research Center originated
the General Parallel File System (GPFS),
IBM's parallel, shared-disk file system for cluster computers. It is
available on the IBM®  ™ pSeries™ and on Linux
clusters. GPFS is used on many of the largest supercomputers in
the world and is also used in commercial applications such as database,
file serving, digital media and content management. Almaden researchers
play an ongoing role in the evolution and deployment of new GPFS
releases.
We are also working on
File System Federation, which is a standards-based method of
replicating and migrating data among multiple NFS V4 servers, and Scale-out File Serving,
which is software built in IBM's cluster file systems to provide a gateway
solution to broaden the range of environments that can benefit from storage
consolidation and advanced data management.
GPFS:
General Parallel File System (GPFS) is a scalable, parallel, cluster file product that originated
as Almaden's Tiger Shark file system. It now supports IBM® Blue Gene® and IBM®
™ Cluster systems, including the Linux (Cluster 1350) and the AIX (Cluster 1600) systems.
GPFS for Petascale Supercomputers:
IBM’s Programmable Easy-to-use Reliable Computing System (PERCS), chosen by the
Defense Advanced Research Projects Agency
(DARPA),
is one of two system designs to be developed and demonstrated as part of phase III of the
High Productivity Computing Systems program
(HPCS).
Glamour:
An NFSv4-based file system federation middleware layer that enables clients to seamlessly navigate data
spread across multiple, heterogeneous and widely distributed file servers. Glamour is not a globally
distributed file system. Instead, it enables a set of loosely coupled file servers to function as one.
Scale-out File Serving:
Provides a gateway solution that broadens the range of environments that can
benefit from storage consolidation and advanced data management.
Ajay Gulati, Renu Tewari, Manoj Naik.
Nache: Design and Implementation of a Caching Proxy for NFSv4,
FAST'07 - 5th USENIX Conference on File and Storage Technologies, 2007.
J. Moreira, M. Brutman, J. Castanos, T. Gooding, T. Inglett, D. Lieber, P. McCarthy, M. Mundy, J. Parker, B. Wallenfelt,
M. Giampapa, T. Engelsiepen, R. Haskin.
Designing a Highly-Scalable Operating System: The Blue Gene/L Story,
SC06, International Conference on High Performance Computing, Networking, Storage and Analysis, Nov 2006.
Navendu Jain, Michael Dahlin, Renu Tewari.
TAPER: Tiered Approach for Eliminating Redundancy in Replica Synchronization,
FAST'05 - 4th USENIX Conference on File and Storage Technologies, 2005.
O. Ted Anderson, Leo Luan,Craig Everhart, Manuel Pereira, Ronnie Sarkar, Jane Xu. IBM Systems Journal, 43(4), 2004..
Global namespace for files,
IBM Systems Journal, 43(4), 2004.
Frank Schmuck, Roger Haskin.
GPFS: A Shared-Disk File System for Large Computing Clusters,
FAST'02 - 1st USENIX Conference on File and Storage Technologies, 2002.
R. C. Burns, R. M. Rees, and D. D. E. Long.
An Analytical Study of Opportunistic Lease Renewal,
ICDCS'01, 16th International Conference on Distributed Computing Systems, IEEE, 2001.
Selected publications from all three research areas of
Almaden Storage Systems can be found here.
Advanced Storage Systems
Storage Management and Solutions
More information on IBM-wide storage systems research can be found at
IBM Research - Storage Systems
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