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  • Reader Feedback: Run Collection Services Before You Upgrade

    February 4, 2008 Hey, TPM

    Good article and guidance regarding moving to V6R1. [Editor’s Note: The reader is referring to Bracing for i5/OS V6R1 and the Winding Down of V5, from the January 14 issue of The Four Hundred.]

    If you get the opportunity, remind folks to run the system’s Collection Services before moving to capture a set of baseline performance data. Once they move the data, if not needed, it can be erased. If they move and have some performance issues, they have a base to compare to. Otherwise, it’s really a challenge for the performance analyst to make good decisions as to what might be causing a problem.

    –Rick

    Hi, Rick:

    Thanks for the tip. Any chance you want to write some performance tuning articles for us for Four Hundred Guru?

    –TPM

    Not real sure about writing. I’ve cut back a lot on consulting; one reason being that there’s a lot of “new” stuff the last two to three years that I’m just not up to date on at all.

    Also, it seems that the articles I’ve done the last few years in iSeries News have gotten very little, if any, feedback. There seems to be an attitude that more hardware solves all problems, so it’s not necessary to understand how to “tune” things.

    I’d rather do some advanced training on Job Watcher and PEX analysis, but haven’t been successful in convincing others to include some performance sections in the classes they currently teach. Last winter, I did an IBM Redbook on PEX Statistics, which I believe is one of the best tools the AS/400 (and its predecessors and successors) ever had, along with the current iDoctor and Job Watcher combination. But once again, very little feedback either for or against. Sort of like Ron Paul’s presidential try.

    On the other hand, I still enjoy doing performance analysis, but being a Minnesota golfer, only in the off season.

    Thanks, take care.

    –Rick

    Maybe if the performance tools showed you how much money you didn’t have to spend by using them or how many barrels of oil that extra hardware really costs–with the fully burdened environmental and military-industrial-Congressional complex impact added in as well as manufacturing costs and power and cooling costs over a three-year span–people would work a lot harder on tuning software and buy a lot less hardware. Making something a commodity is not necessarily an improvement in the quality of life, is it?

    I am not advocating for the days of core memory. I am just saying, scarcity makes people clever and sometimes makes things run more efficiently, not less so.

    Thanks again,

    –TPM

    RELATED STORIES

    i5/OS V6R1 Announced Today, Ships in March

    Some Info on i5/OS V6R1 and V6R2 Support

    Bracing for i5/OS V6R1 and the Winding Down of V5

    IBM Previews i5/OS V6R1, Due in 2008



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    Tags: Tags: mtfh_rc, Volume 17, Number 5 -- February 4, 2008

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    User Storage Limits and Application Processing New Web Console Debuts with i5/OS V6R1

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TFH Volume: 17 Issue: 5

This Issue Sponsored By

    Table of Contents

    • Entry System p Servers Get Power6 Chips, System i Boxes Await
    • The Power6 Server Ramp: Better Than Expected
    • IBM Takes System i Disk Clustering Up a Notch with HASM
    • The X Factor: Survive, Adapt, Repeat
    • i5/OS V5R3 Support Ends in April 2009
    • Reader Feedback: Run Collection Services Before You Upgrade
    • IBM Brings SAN Performance to Parity with Internal Arrays
    • Let’s Take a Closer Look at JS22 Blade Servers Running i5OS V6R1
    • Alternate Operating System Support Improved with i5/OS V6R1
    • i5/OS V6R1 and Its Java Enhancements

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