PVFS : a parallel file system for linux clusters

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As Linux clusters have matured as platforms for low-cost, high-performance parallel computing, software packages to provide many key services have emerged, especially in areas such as message passing and net-working. One area devoid of support, however, has been parallel file systems, which are critical for high-performance I/O on such clusters. We have developed a parallel file system for Linux clusters, called the Parallel Virtual File System (PVFS). PVFS is intended both as a high-performance parallel file system that anyone can download and use and as a tool for pursuing further research in parallel I/O and parallel file systems for Linux ... continued below

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13 pages

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Carns, P. H.; Ligon, W. B., III; Ross, R. B. & Thakur, R. April 27, 2000.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 30 times . More information about this article can be viewed below.

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  • Argonne National Laboratory
    Publisher Info: Argonne National Lab., Argonne, IL (United States)
    Place of Publication: Argonne, Illinois

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As Linux clusters have matured as platforms for low-cost, high-performance parallel computing, software packages to provide many key services have emerged, especially in areas such as message passing and net-working. One area devoid of support, however, has been parallel file systems, which are critical for high-performance I/O on such clusters. We have developed a parallel file system for Linux clusters, called the Parallel Virtual File System (PVFS). PVFS is intended both as a high-performance parallel file system that anyone can download and use and as a tool for pursuing further research in parallel I/O and parallel file systems for Linux clusters. In this paper, we describe the design and implementation of PVFS and present performance results on the Chiba City cluster at Argonne. We provide performance results for a workload of concurrent reads and writes for various numbers of compute nodes, I/O nodes, and I/O request sizes. We also present performance results for MPI-IO on PVFS, both for a concurrent read/write workload and for the BTIO benchmark. We compare the I/O performance when using a Myrinet network versus a fast-ethernet network for I/O-related communication in PVFS. We obtained read and write bandwidths as high as 700 Mbytes/sec with Myrinet and 225 Mbytes/sec with fast ethernet.

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13 pages

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  • Third Extreme Linux Workshop, Atlanta, GA (US), 10/12/2000--10/14/2000; Other Information: PBD: 27 Apr 2000

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  • Report No.: ANL/MCS/CP-101736
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 754505
  • Archival Resource Key: ark:/67531/metadc711242

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  • April 27, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • March 25, 2016, 2:27 p.m.

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Carns, P. H.; Ligon, W. B., III; Ross, R. B. & Thakur, R. PVFS : a parallel file system for linux clusters, article, April 27, 2000; Argonne, Illinois. (digital.library.unt.edu/ark:/67531/metadc711242/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.