tnslistener as well as CM crashes frequently
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  1. #1
    Join Date
    Apr 2005
    Posts
    19

    tnslistener as well as CM crashes frequently

    Hi All,

    Oracle version information:

    VERSION INFORMATION:
    TNS for Linux: Version 9.2.0.6.0 - Production
    TCP/IP NT Protocol Adapter for Linux: Version 9.2.0.6.0
    Linux 2.4.21-37


    Problem Description:
    We keep having tnslistener as well as CM crashes on one server XYZ, but we do not face the same issues on other server. It would appear there may be some setups or tuning that needs to be done on auohsinba to make it more stable.

    RAC enabled the instance recently which added the second PCP node of on the affected server XYZ.

    When the listener crashes it takes down the CM and causes performance issues in the instance.

    Per sqlnet.ora file below is the error :

    Fatal NI connect error 12521

    Time: 18-APR-2006 14:37:42
    Tracing not turned on.
    Tns error struct:
    nr err code: 0
    ns main err code: 12564
    TNS-12564: TNS:connection refused
    ns secondary err code: 0
    nt main err code: 0
    nt secondary err code: 0
    nt OS err code: 0


    Could anyone out there please share his experience and what configuration setup needs to be changed if required.

    Thanks for your time.
    Thank You for your time,

    Regards,
    a1_win

  2. #2
    Join Date
    Sep 2002
    Location
    England
    Posts
    7,333
    well whats in the listener.log - have you raised a TAR?

  3. #3
    Join Date
    Jan 2003
    Location
    Bahrain
    Posts
    109
    Can you find any entries in ICM log file?


    Regars,
    Seelan

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