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VMS: ORA-00443 Process PMON Died When Starting the Instance. (Doc ID 548910.1)

Last updated on APRIL 14, 2022

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
HP OpenVMS Itanium
HP OpenVMS AlphaSymptoms



-- Problem Statement:

Instance startup fails with the following error message:

SQL*Plus: Release - Production on Tue Jan 29 08:54:10 2008

Copyright (c) 1982, 2005, Oracle. All Rights Reserved.

Connected to an idle instance.

SQL> startup open
ORA-00443: background process "PMON" did not start

The alert log shows:

29-JAN-2008 08:54:14.63:
Process PMON died, see its trace file
USER: terminating instance due to error 443
Instance terminated by USER, pid = 242cd04c


From ora_dump:<node>_<sid>_FG_ORACLE_000.TRC :

The trace file of the foreground process  starting the Instance contains these messages:

*** 2008-01-29 08:54:14.635
Process PMON is dead (pid=242cd851, state=3):

*** 2008-01-29 08:54:14.642

KSTDUMP: In-memory trace dump

B2D0D048:00000003 149 0 10254 34 KSBS1P: process USER trying to start background PMON
B2E04550:00000008 149 0 10254 51 KSBS1P: out of loop: process did not start

KSTDUMP: End of in-memory trace dump

*** 2008-01-29 08:54:14.644





OpenVMS logicals had been created  in an attempt  to control whether a dump file would be created for pmon if the pmon process died.  The name of the logical was incorrect.

$ define /sys/exec ORA_<instance name>_PMON  false      


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