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01.09.2008 at 12:51PM PST, ID: 23070799
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7.4

ORA-27100: shared memory realm already exists. Can not start Database. Can not clear shared memory

Asked by liuh2 in Oracle 10.x, Oracle Database, Computer Memory (RAM)

Tags:

cause: sga_max_size was increased to 2GB on a 32bit, 4G of memory win 2003 server.

I have tried to restart the oracle from the window services; created pfile from spfile and changed the memory configuration from the Pfile; restart the server, and all these do not help and it keep giving the error "ORA-27100: shared memory realm already exists".

additional information:
Current version: 10g 10.2.0.3.0
Only one instance on the server

failed using oradim to shutdown service:
C:\> oradim -shutdown -sid <SID> -shuttype srvc,inst
ORA-01012: not logged on

From oradim.log :

Mon Jan 07 14:21:10 2008
D:\oracle\product\10.2.0\db_1\bin\oradim.exe -shutdown -sid <SID> -usrpwd * -shutmode immediate -log oradim.log
Mon Jan 07 14:21:11 2008
ORA-01012: not logged on


Mon Jan 07 15:31:24 2008
D:\oracle\product\10.2.0\db_1\bin\oradim.exe -startup -sid <SID> -usrpwd *  -log oradim.log -nocheck 0
Mon Jan 07 15:31:29 2008
ORA-27102: out of memory
OSD-00022: additional error information
O/S-Error: (OS 8) Not enough storage is available to process this command.



SPFILE and Pfile are in the default location: ORACLEHOME\database\

From trace file:

Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production
With the Partitioning, OLAP and Data Mining options
Windows NT Version V5.2 Service Pack 2
CPU                 : 4 - type 586, 2 Physical Cores
Process Affinity    : 0x00000000
Memory (Avail/Total): Ph:2631M/4095M, Ph+PgF:4716M/5973M, VA:1101M/2047M
Instance name: <SID>

Redo thread mounted by this instance: 1

Oracle process number: 18

Windows thread id: 1724, image: ORACLE.EXE (SHAD)


*** 2008-01-07 10:07:33.541
*** SERVICE NAME:(SYS$USERS) 2008-01-07 10:07:33.526
*** SESSION ID:(129.39451) 2008-01-07 10:07:33.526
SHUTDOWN: waiting for active calls to complete.


U:\>sqlplus / as sysdba
Connected to an idle instance.

SQL> startup nomount pfile='D:\oracle\product\10.2.0\db_1\database\INIT<SID>
.ORA'
ORA-27100: shared memory realm already existsStart Free Trial
[+][-]01.09.2008 at 01:12PM PST, ID: 20622478

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[+][-]01.09.2008 at 01:17PM PST, ID: 20622516

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[+][-]01.09.2008 at 01:58PM PST, ID: 20622922

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[+][-]01.09.2008 at 03:17PM PST, ID: 20623510

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[+][-]01.09.2008 at 03:23PM PST, ID: 20623560

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[+][-]01.10.2008 at 12:50AM PST, ID: 20625780

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[+][-]01.10.2008 at 05:36AM PST, ID: 20626946

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About this solution

Zones: Oracle 10.x, Oracle Database, Computer Memory (RAM)
Tags: ORA-27100: shared memory realm already exists.
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Solution Provided By: hamita
Participating Experts: 6
Solution Grade: A
 
 
 
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