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  1. #1
    Join Date
    Sep 2002
    Posts
    30

    Unanswered: Installing DB2 V.8.1 on Redhat 8 !!!

    HI

    Trying to install DB2 v.8 in Redhat 8.

    Encountering the folloiwing problem. Can you please advise ?

    /db2/pe/db2/linux/install/db2jinst: line 131: 6015 Segmentation fault $JAVA_PATH/$JAVA_INTERPRETER $JAVA_OPTIONS -cp $JAVA_CLASSPATH $DB2SetupRun "$@" 2>/tmp/db2setup.err.running


    Thank You
    Bollin99

  2. #2
    Join Date
    Apr 2004
    Posts
    13
    Hi,

    I don't know a clue on this error but I have successfully installed UDB 8.1 on Redhat 2.1 Advanced Server with neccessary Kernal Upgrades. Why don't you check the supported OS versions for your UDB installation from IBM site.

    Cheers
    Lahiru

  3. #3
    Join Date
    Jun 2003
    Location
    Chennai
    Posts
    26

    Re: Installing DB2 V.8.1 on Redhat 8 !!!

    I am not sure how far this info. helpful for linux 8.0. For the segmentation fault, Linux kernel parameters will help


    -----------------------------------------------------------------------------------

    Modifying kernel parameters (Linux)
    Before installing DB2, you may want to update Linux kernel parameters. DB2 will automatically raise the IPC limits where necessary. You may still want to raise these limits depending on your particular needs.

    Prerequisites

    You must have root authority to modify kernel parameters.

    Procedure

    To update kernel parameters:


    RedHat and SuSE
    Systems using a 2.4.x series kernel have a default value for the message queue parameter (msgmni), which allows only a few simultaneous connections to DB2. Semaphore array parameters also have to be changed for DB2 to run successfully. To check shared memory segment, semaphore array, and message queue limits, issue the ipcs -l command.
    The following is the output from the the ipcs -l command.

    # ipcs -l

    ------ Shared Memory Limits --------
    max number of segments = 4096 // SHMMNI
    max seg size (kbytes) = 32768
    max total shared memory (kbytes) = 8388608
    min seg size (bytes) = 1

    ------ Semaphore Limits --------
    max number of arrays = 1024 // SEMMNI
    max semaphores per array = 250
    max semaphores system wide = 128000
    max ops per semop call = 32
    semaphore max value = 32767

    ------ Messages: Limits --------
    max queues system wide = 1024 // MSGMNI
    max size of message (bytes) = 65536
    default max size of queue (bytes) = 16384 // MSGMAX

    Modify the kernel parameters by adding the following entries to the default system control configuration file, /etc/sysctl.conf:

    kernel.msgmni = 512
    kernel.sem = 250 128000 32 1024

    where max semaphores system wide = max number of arrays x max semaphores per array.Run sysctl with -p parameter to load in sysctl settings from the default file /etc/sysctl.conf.

    sysctl -p

    The entries from the sysctl.conf file are read during startup by the network initialization script.

    On some distributions you may be required to add sysctl -p in the one of the system initialization files (for example, rc.local) so that kernel parameters are set after each reboot.
    MS

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