Skip to main content
ExLibris
  • Subscribe by RSS
  • Ex Libris Knowledge Center

    Oracle shuts down with "Instance terminated by PMON"

    • Article Type: General
    • Product: Aleph
    • Product Version: 20

    Problem Symptoms:
    Oracle shuts down. The Oracle Alert Log shows "DBWR process terminated with error" and "Instance terminated by PMON". (See Additional information below for complete log entry text....)

    Cause:
    Machine running out of memory, killing Oracle.

    Resolution:
    Upgrading the machine from:

    4 CPU
    16G RAM
    8G SWAP

    to:

    8 CPU
    32G RAM
    32G SWAP

    corrected the problem.

    Additional Information

    Complete Alert Log entry:

    Errors in file /exlibris/app/oracle/diag/rdbms/aleph20/aleph20/trace/aleph20_pmon_27755.trc:
    ORA-00471: DBWR process terminated with error
    Tue Jul 30 22:12:09 2013
    Errors in file /exlibris/app/oracle/diag/rdbms/aleph20/aleph20/trace/aleph20_j003_32194.trc:
    ORA-00471: DBWR process terminated with error
    PMON (ospid: 27755): terminating the instance due to error 471
    Instance terminated by PMON, pid = 27755
    Tue Jul 30 23:32:21 2013
    Starting ORACLE instance (normal)
    <etc.>

    For location of log, see Article 000010582 ("Where's the Oracle alert log in version 20?")


    • Article last edited: 12/5/2013
    //Feedback