after IPL the server is slow for hours

425 pts.
Tags:
AS/400
IPL
iSeries
I have Iseries , and after it finish count from 1 to 48, a black empty screen stayed for about 30 minutes .. and after it start working the server always become very very slow for about 3 hours ... is there any solution to that


Software/Hardware used:
iseries

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  • TomLiotta

    It depends on what is going on in the system during those three hours. If this is a regular happening after an IPL, my first thought would be that the system wasn't shut down properly. It's trying to do a full recovery after startup.

    But that's just a first impression. Without knowing what's going on, it'll be just a series of guesses.

    Tom

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  • abar1
    even if the shut down is normal , ... the same
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  • TomLiotta

    We can't know that unless the process of "shutdown is normal" is described. Please give details of how your "shutdown is normal" is done. What commands are run in what sequence. Include any timing between commands.

    After we know what commands are run for your normal shutdowns, we might need details of what is running at the times that your shutdowns are started.

    Tom

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  • abar1
    the shutdown was normal . We dont enter any manual commands.Just starting the iseries partition in normal sequence .. sometimes the strtcp is not start automatically so i strat it manually  
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  • Splat
    Starting with the value in the system value QSTRUPPGM, what steps does your startup program go through?
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  • TomLiotta

    the shutdown was normal .

    For us, the problem is that there is no such thing as a "normal shutdown". There are only 'proper' shutdowns, and each system has its own requirements for what is 'proper'.

    We don't know what you do to shut your system down. And until we know what commands you run, we can't help any more than this. We need to figure out what is 'proper' for your system.

    The startup program won't help much until we know what problems are caused during shutdown. E.g., index recoveries will have nothing to do with a startup program.

    Tom

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  • abar1
    but i think it is related to system value ... something wrong with the system value ..not startup program ,,, i should increase or decrease one of the system value related to jobs

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  • TomLiotta

    but i think it is related to system value

    It could be, but it doesn't seem very likely if it continues for as long as two or three hours. And unless we know what the system is doing, we can't.guess about other things.

    The starting point for startup performance problems that continue for hours is the shutdown.

    Tom

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