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    Latest News

    The ALINKA Linux Clustering Letter, Thursday, June the 27th. 2002
    Thursday June 27 2002 @ 11:18AM EDT

    The ALINKA Linux Clustering Letter,

    Thursday, June the 27th. 2002

    Dear readers, I am happy to send you this week's edition of clustering@alinka.com

    clustering@alinka.com is a free weekly e-mail newsletter on linux clustering. It provides a summary of the weekly activity in mailing-lists relative to linux clustering (such as beowulf, linux virtual server or linux-ha) and general clustering news. For more information about ALINKA, see: http://www.alinka.com

    News from the High Performance world, by Dr Laurent Gatineau (lgatineau@alinka.com)
    ==========================

    Tips and tricks from the Beowulf mailing list
    ========

    Jeff Layton [m1] gave some pointers about some PVFS studies, and gave precision about PVFS stability. [m1]
    http://www.beowulf.org/pipermail/beowulf/2002-June/003847.html

    * Greg Matthews [m1] had some problem with kickstart, Robert G. Brown [m2] explained its dhcp configuration. [m1] http://www.beowulf.org/pipermail/beowulf/2002-June/003851.html [m2] http://www.beowulf.org/pipermail/beowulf/2002-June/003852.html

    * Eric Wages [m1] remind us that the new top 500 list is out [1]. [1] http://www.top500.org [m1] http://www.beowulf.org/pipermail/beowulf/2002-June/003903.html

    * Velocet [m1] posted some Gromacs benchmarks on quad Xeons. [m1] http://www.beowulf.org/pipermail/beowulf/2002-June/003868.html

    * There was a long thread about Athlon vs Xeon. Steffen Persvold [m1] posted interesting streams benchmarks. Ivan Oleynik [m2] gave comparisons between some architectures with the same code. Pointers to some other comparisons were given Athlon vs Xeon [m3], compilers differences [m4]. [m1] http://www.beowulf.org/pipermail/beowulf/2002-June/003892.html [m2] http://www.beowulf.org/pipermail/beowulf/2002-June/003887.html [m3] http://www.beowulf.org/pipermail/beowulf/2002-June/003793.html [m4] http://www.beowulf.org/pipermail/beowulf/2002-June/003795.html

    * There was a thread about Myrinet scalability, look at explanations of Chuck Seitz, CEO of Myricom [m1] which answered to Ole W. Saastad [m2] and Serguei Patchkovskii [m3]. [m1] http://www.beowulf.org/pipermail/beowulf/2002-June/003889.html [m2] http://www.beowulf.org/pipermail/beowulf/2002-June/003826.html [m3] http://www.beowulf.org/pipermail/beowulf/2002-June/003831.html

    Coda by Ludovic Ishiomin (lishiomin@alinka.com)
    ========
    * Stephen Rickauer noticed a performance problems. Steffen Neumann suggested that the settings used were the cause [1m]. * There was a discussion about the best way to configure a firewall/nat router between coda clients and the server [2m].

    [1m] http://www.coda.cs.cmu.edu/maillists/codalist/codalist-2002/4341.html [2m] http://www.coda.cs.cmu.edu/maillists/codalist/codalist-2002/4333.html and the followings

    JFS by Ludovic Ishiomin (lishiomin@alinka.com)
    ========
    * Steve Best announced JFS 1.0.20 [1m]

    [1m] http://oss.software.ibm.com/pipermail/jfs-discussion/2002-June/001091.html

    XFS by Ludovic Ishiomin (lishiomin@alinka.com)
    ========
    * Steve Lord confirmed there could be alignement problems with XFS and software Raid 5 or EVMS or LVM 2 [1m].

    [1m] http://oss.sgi.com/projects/xfs/mail_archive/200206/msg00354.html

    News on other cluster related topics
    =========================

    linux-ia64 by Rached Ben Mustapha (rached@alinka.com)
    ========
    * David Mosberger announced [m1] an ia64 kernel patch for 2.4.18 available here [l1]. This update fixes a memory corruption bug, among others.

    [m1] https://external-lists.vasoftware.com/archives//linux-ia64/2002-June/003615.html

    [l1] ftp://ftp.kernel.org/pub/linux/kernel/ports/ia64/v2.4/linux-2.4.18-ia64-020622.diff.gz

    ========================

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    Alinka is the editor of the ALINKA ORANGES and ALINKA RAISIN administration software for Linux clusters. (Web site: http://www.alinka.com )

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