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From: Len Conrad (LConrad_at_Go2France.com)
Date: Mon Dec 02 2002 - 10:53:56 CST

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    >i'm running iostat -xn 2 for disk stats, and the i/o stats is
    >acceptable... in average 70/90% busy

    effectively saturated, imo.

    stop postfix

    add another disk + special cable, ATA133, as second ATA master, and move
    /var/spool/postfix to it, as dedicated mailqueue disk and ATA channel.

    modify main.cf to point mailqueue at new filesystem.

    mkdir -p /var2/spool/postfix

    cp -R /var/spool/postfix/* /var2/spool/postfix

    postfix check

    start postfix

    >I set for 300 processes, but is running in average 100 processes...

    saturated disk i/o is being hogged by SMTPD input, so SMTP output is starved.

    >I set for 300 too, but if stay in this value, my queue increase very
    >fast!! so, I lowered for 150...

    confirms my statement above. reduce to SMTPD to 5 until mailqueue descends
    to acceptable level.

    >when can I get this script?

    google

    >I see more than 500k :)

    ain't postfix/unix great!! :))

    "takes a lickin and keeps on tickin"

    Len