Solution of ORA-01034:ORACLE not available problem

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Just installed the Oracle9i, the last can be still used, the sudden not.

[oracle@R39i oracle]$ sqlplus scott/tiger

SQL*Plus: Release 9.2.0.4.0 - Production on Mon Nov 24 11:06:50 2008

Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux Error: 2: No such file or directory

[root@R39i root]# id oracle
uid=500(oracle) gid=501(dba) groups=501(dba)
[root@R39i root]# su - oracle
[oracle@R39i oracle]$ lsnrctl start

LSNRCTL for Linux: Version 9.2.0.4.0 - Production on 24-NOV-2008 10:57:29

Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.

Starting /oracle/product/9i/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 9.2.0.4.0 - Production
System parameter file is /oracle/product/9i/network/admin/listener.ora
Log messages written to /oracle/product/9i/network/log/listener.log
Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC)))
TNS-12542: TNS:address already in use
TNS-12560: TNS:protocol adapter error
TNS-00512: Address already in use
  Linux Error: 98: Address already in use

Listener failed to start. See the error message(s) above...

[oracle@R39i oracle]$ lsnrctl status

LSNRCTL for Linux: Version 9.2.0.4.0 - Production on 24-NOV-2008 11:21:13

Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC)))
STATUS of the LISTENER
==============================================
[oracle@R39i oracle]$ lsnrctl status

LSNRCTL for Linux: Version 9.2.0.4.0 - Production on 24-NOV-2008 11:21:13

Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC)))
STATUS of the LISTENER
------------------------
Alias                    LISTENER
Version                  TNSLSNR for Linux: Version 9.2.0.4.0 - Production
Start Date               24-NOV-2008 10:52:27
Uptime                   0 days 0 hr. 28 min. 45 sec
Trace Level              off
Security                 OFF
SNMP                     OFF
Listener Parameter File  /oracle/product/9i/network/admin/listener.ora
Listener Log File        /oracle/product/9i/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=R39i)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "mydata" has 1 instance(s).
Instance "mydata", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully

Oh, the original monitoring has been started.
[oracle@R39i oracle]$ sqlplus /nolog

SQL*Plus: Release 9.2.0.4.0 - Production on Mon Nov 24 12:01:37 2008

Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.

SQL> connect /as sysdba
Connected to an idle instance.
SQL> startup
ORACLE instance started.

Total System Global Area 122754448 bytes
Fixed Size                  451984 bytes
Variable Size             88080384 bytes
Database Buffers          33554432 bytes
Redo Buffers                667648 bytes
Database mounted.
Database opened.

The database can be used.

Summary,

1,The database is not open, other user is not.
2,If sys can't open the database, may be the environment variables.

The following methods can be used to check, to see whether you expected.

env |grep ORACLE

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Posted by Corey at December 10, 2013 - 11:38 AM