HAMFS file system

Unix's lack of a robust and expandable file system has become a significant problem with the growth of Unix in large commercial environments. The HAMFS (highly available multi-server file system) is a cluster file system designed to address this need. HAMFS offers disk-pooling, supports off-the...

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Main Authors: Shinkai, Y., Tsuchiya, Y., Murakami, T., Williams, J.
Format: Conference Proceeding
Language:English
Subjects:
Aggregates
Availability
Costs
Electronic switching systems
File systems
Hardware
Investments
Laboratories
Protection
Robustness
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Tsuchiya, Y.
Murakami, T.
Williams, J.
description Unix's lack of a robust and expandable file system has become a significant problem with the growth of Unix in large commercial environments. The HAMFS (highly available multi-server file system) is a cluster file system designed to address this need. HAMFS offers disk-pooling, supports off-the-shelf disks, and automatically balances file load across disks dynamically. Data residing in a disk pool is directly accessible from every node in a HAMFS cluster. As user's capacity requirements grow, HAMFS provides easy disk pool expansion. Finally, HAMFS provides uniform scaling of file system performance from a single node configuration to large multi-node clusters, offering significant performance advantage over traditional file systems. For example, in short file access situations, HAMFS provide a factor of five performance improvement over NFS, and a factor of two improvement over conventional local file systems. Technologies developed for HAMFS are applied to Fujitsu's file system product SafeFILE.
doi_str_mv 10.1109/RELDIS.1999.805095
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Aggregates
Availability
Costs
Electronic switching systems
File systems
Hardware
Investments
Laboratories
Protection
Robustness
title HAMFS file system
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