Article 2

ERROR: - "ORA-01092: ORACLE instance terminated. Disconnection forced".

Problem:-

Once database open after within few seconds we got the

ERROR: - "ORA-01092: ORACLE instance terminated. Disconnection forced"

Alert log file shows lot of trace file and majorly shows

TRACE file:-

_smon_1596.trc:

ORA-00600: internal error code, arguments: [kdoirp-1], [2], [], [], [], [], [], []

Cause:-

To shrinking table data & Rebuild the indexes related to that table at same time and unexpectedly database bounced by some client dba.

Solution:-

Start the database and immediately run the segments status.

SQL> Select segment_name, status from dba_rollback_segs where status='NEEDS RECOVERY';

SEGMENT_NAME STATUS

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

_SYSSMU41$ NEEDS RECOVERY

_SYSSMU100$ NEEDS RECOVERY

So some segments need to recovery, then offline the those segments into parameter level and start the database

Keep the below parameter into pfile

*._offline_rollback_segments=_SYSSMU41$

*._offline_rollback_segments=_SYSSMU100$

And start the database using pfile. Then database successfully started and stable.

Then create spfile from pfile& shutdown database and startup.