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  1. #1
    Join Date
    May 2002
    Posts
    6

    Unanswered: Informix KAIO error on SCO Openserver 5.0.5

    informix online 7.22.uc3 is runing on sco openserver 5.0.5.
    I want to use KAIO. Atfter I set the paramter KAIOON=1,and restart the engine , the "online.log" file appear the follow error messages:

    10:34:34 KAIO: error in kaio_read, kaiocbp = 915854f8, errno = 14
    10:34:34 fildes = 4 (gfd 3), buf = 9186d400, nbytes = 61440, offset = 1194104832


    Please help me ,thanks,
    '

  2. #2
    Join Date
    Aug 2002
    Location
    Belgium
    Posts
    534
    Check your release notes regarding KAIO on sco in $INFORMIXDIR/release. It's^possible you need to take some additional action.
    F.ex. HP does not support KAIO.
    in AIX you have to make an aio device...
    Stuff like that.

    Errno 14 is an OS error. Check in your errno.h file
    I think it's in /usr/sys/include/errno.h or something like that...
    rws

  3. #3
    Join Date
    May 2002
    Posts
    6
    thank you.
    I had read the release file. The version of SCO support KAIO.
    I had do that follow the construction.

  4. #4
    Join Date
    Aug 2002
    Location
    Belgium
    Posts
    534
    This is what I found in thje release notes. Are these running?

    The following is a pre-requisite for using KAIO in SCO:
    - SCO AIO driver "aio" is installed and enabled.
    - SCO driver "suds" is installed and enabled.
    rws

  5. #5
    Join Date
    Aug 2002
    Location
    Belgium
    Posts
    534
    Could you check these kernel parameters:

    NAIOPROC 16
    NAIOREQ 400
    NAIOBUF 400
    NAIOHBUF 50
    NAIOREQPP 200
    NAIOLOCKTBL 20

    These are the suggested values. If the error still occurs, try increasing the NAIOREQ parameter.
    rws

  6. #6
    Join Date
    May 2002
    Posts
    6
    thank you very much.
    I did not change the kernel parameter.
    I try to change it now.
    thks.

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