Unable to Doscover Nodes. Process Just Hangs
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Thread: Unable to Doscover Nodes. Process Just Hangs

  1. #1
    Join Date
    Sep 2000
    Posts
    362

    Angry

    Hi,
    I am trying to discover a node which has 3 databases on it and the process just hangs after reaching 96%. My OEM is installed on a windows 2000 machine and the version is 2.2.

    Also I am able to ping the node and also double checked if the intelligent agent is running on that node or node.

    Am I missing something.

    Please Suggest.

    Thanks
    Anurag

  2. #2
    Join Date
    Oct 2000
    Location
    Germany
    Posts
    1,185
    This might work.

    Check snmp_ro.ora and snmp_rw.ora in the directory

    $ORACLE_HOME/network/admin

    If they do not contain all of the nodes, make a backup copy to another filename and delete them.

    Stop and restart the intelligent agent. The snmp files should be recreated properly.

    Good luck.
    David Knight
    OCP DBA 8i, 9i, 10g

  3. #3
    Join Date
    Sep 2000
    Posts
    362

    Angry

    Hi,
    I toolk a backup of the 2 fles snmp_ro.ora and snmp_rw.ora and deleted them even though they contained the required information but still it did not work.

    Please Suggest.

    Thanks
    Anurag

  4. #4
    Join Date
    Mar 2001
    Posts
    635
    Hi Anurag,

    Even I faced the same problem on windows 200 on which I had installed oracle 8.1.7 It was not able to discover I dont know for what reason I feel it is a Bug on windows 2000 so I had to perform a manuall discovery when I was performing a manually discovery I used the IP Address of the system and it worked Try that

    Hope this helped

    Regards
    Santosh

  5. #5
    Join Date
    Oct 2000
    Location
    Saskatoon, SK, Canada
    Posts
    3,925
    What is the db version that you are running on the node that you are trying to discover. Did you try stopping and restarting the agent on the node. It could be a network delay that could cause the hang. if that the case try waiting for some more time.

    Sam
    Thanx
    Sam



    Life is a journey, not a destination!


  6. #6
    Join Date
    Sep 2000
    Posts
    362
    Hi,
    Thanks all of you. It is working now. I rebooted the Windows 2000 Management server and it was able to discover the nodes.

    Seems if nothing else works with windows try rebooting and that should do the trick. :-)

    Thanks
    Anurag

  7. #7
    Join Date
    Mar 2001
    Posts
    635
    Hi Guys,

    I found a work around for the above problem this happens if the following files are corrupted

    snmp_ro.ora
    snmp_rw.ora

    The above files are located in

    $ORACLE_HOME/network/admin

    and any of the files located in the following folder

    $ORACLE_HOME/network/agent

    The Problem occurs in Windows NT/2000 while executing
    Discovery Node as it depends on Oracle Intelligent Agent and
    if any of the above files are corrupted for whatsever reason
    follow the steps below

    1) Stop the Oracle Intelligent Service using services Icon
    2) Delete the following files

    snmp_ro.ora
    snmp_rw.ora

    which are located in the following folder

    $ORACLE_HOME/network/admin

    3) Delete all files from the following directory

    $ORACLE_HOME/network/agent

    Do not delete any other folder in the above directory

    4) Restart Oracle Intellingent Service from the services Icon
    When you restart the service it will recreate all the above files in the corresponding folder

    Now you are ready to Discover Nodes thru OEM

    Regards

    Santosh

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