Conected idle instance if i set oracle_sid=orcl which is not actual my sid

Hello Team,
My original ORACLE_SID=PROD
ENV:- UNIX sOLARIS
NOW IF I SET oracle_sid=orcl (which is wrong) and connect to sqlplus...--Connected to idle instnace--agreed!!
since sid is different so how it did connected to sqlplus (i mean having wrong sid means wrong oracle_home/no oracle_home, so how did sqlplus got launched).
Any other OS level file is accessed to get connected to sqlplus??

Osama_mustafa wrote:
When you set ORACLE_SID , oracle will start looking for spfile for this instance to read the instance parameter that enable to start database , if nothing found Error will appear .I dont't think this is correct: this what SQL*Plus STARTUP statement will do but if you don't use STARTUP statement and just want to connect to a local instance defined by ORACLE_SID and ORACLE_HOME SQL*Plus is not going to read SPFILE/FILE because it does not need to do it.
ORACLE_SID and ORACLE_HOME are used by SQL*Plus to compute a shared memory key that is used to access database instance SGA: that is all what SQL*Plus needs to know in order to access a local instance (i.e. without Oracle Net).
Here a quick test case with 11.2.0.1 EE on Oracle Linux 5.8:
[oracle@lx01 dbs]$ echo $ORACLE_SID
DB112
[oracle@lx01 dbs]$ echo $ORACLE_HOME
/u01/app/oracle/product/11.2.0/EE
[oracle@lx01 dbs]$ ls -al $ORACLE_HOME/dbs/s*
-rw-r----- 1 oracle oinstall 9748480 Jan 29 2012 /u01/app/oracle/product/11.2.0/EE/dbs/snapcf_DB112.f
-rw-r----- 1 oracle oinstall 3584 Nov 19 08:53 /u01/app/oracle/product/11.2.0/EE/dbs/spfileDB112.ora.new
[oracle@lx01 dbs]$ ls -al $ORACLE_HOME/dbs/i*
ls: /u01/app/oracle/product/11.2.0/EE/dbs/i*: No such file or directory
[oracle@lx01 dbs]$ sqlplus test/test
SQL*Plus: Release 11.2.0.1.0 Production on Mon Nov 19 08:59:10 2012
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> select status from v$instance;
STATUS
OPEN
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing optionsEdited by: P. Forstmann on 19 nov. 2012 08:36
Edited by: P. Forstmann on 19 nov. 2012 08:57

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Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
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SQL*Plus: Release 11.2.0.1.0 Production on L Sept 1 15:38:24 2012
Copyright (c) 1982, 2010, Oracle. All rights reserved.
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SQL> alter database mount;
alter database mount
ERROR at line 1:
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Process ID: 0
Session ID: 0 Serial number: 0
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ERROR at line 1:
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Session ID: 0 Serial number: 0
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Fixed Size                  2180344 bytes
Variable Size            1979714312 bytes
Database Buffers         1342177280 bytes
Redo Buffers               16379904 bytes
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Help please! connected to an idle instance

Hello,
I am new to oracle administration. I instlled 11gR2 on windows 7 64 bit. It was working fine. Then I applied the patch DB 11.2.0.1 Patch 10: 10432045 . I can nolong connect. I tried a lot and ead lot of blogs. But now thoroughly confused! I am giving soem info that you may need. Please help!!!!
Thanks,
Badal
* All oracle related services are set to automatic start up and are all up
ORACLE_HOME=K:\app\badal\product\11.2.0\dbhome_1
ORACLE_SID=ORCL
When tried sqlplus i got
*>sqlplus myschema/password@ORCL*
ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptor
As sysdba, I got this:
C:\windows\system32>sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Sat Mar 3 11:08:44 2012
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to an idle instance.
lsnrctl status gives me this
C:\windows\system32>lsnrctl status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 64-bit Windows: Version 11.2.0.1.0 - Produ
ction
Start Date 03-MAR-2012 11:11:08
Uptime 0 days 0 hr. 0 min. 20 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File K:\app\badal\product\11.2.0\dbhome_1\network\admin\list
ener.ora
Listener Log File k:\app\badal\diag\tnslsnr\HPC1\listener\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=HPC1)(PORT=1521)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
My tnsnames.ora:
ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
(CONNECT_DATA =
(SID = CLRExtProc)
(PRESENTATION = RO)
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = HPC1)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
My listner.ora:
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = K:\app\badal\product\11.2.0\dbhome_1)
(PROGRAM = extproc)
(ENVS = "EXTPROC_DLLS=ONLY:K:\app\badal\product\11.2.0\dbhome_1\bin\oraclr11.dll")
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = HPC1)(PORT = 1521))
ADR_BASE_LISTENER = K:\app\badal

Hello Sagar ! Here is the result after startup
C:\windows\system32>lsnrctl status
LSNRCTL for 64-bit Windows: Version 11.2.0.1.0 - Production on 03-MAR-2012 11:39
:28
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 64-bit Windows: Version 11.2.0.1.0 - Produ
ction
Start Date 03-MAR-2012 11:11:08
Uptime 0 days 0 hr. 28 min. 23 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File K:\app\badal\product\11.2.0\dbhome_1\network\admin\list
ener.ora
Listener Log File k:\app\badal\diag\tnslsnr\HPC1\listener\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=HPC1)(PORT=1521)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "orcl" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "orclXDB" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
The command completed successfully
C:\windows\system32>sqlplus system/password@ORCL
SQL*Plus: Release 11.2.0.1.0 Production on Sat Mar 3 11:41:03 2012
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

Connected to an idle instance; trouble creating DB

I tried to connect to my database and got Connected to an idle instance:
C:\>sqlplus / as sysdba
SQL*Plus: Release 11.2.0.2.0 Production on Mon Sep 22 19:07:34 2014
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to an idle instance.
SQL> select status, database_status from v$instance;
select status, database_status from v$instance
ERROR at line 1:
ORA-01034: ORACLE not available
Process ID: 0
Session ID: 0 Serial number: 0
Further, the Getting Started page cannot be found with Error code: ERR_CONNECTION_REFUSED: http://127.0.0.1:8080/apex/f?p=4950
What I did to try and resolve this issue
While digging in various forums, I found that maybe I needed to specify the initXE.ora file on startup:
SQL> startup pfile='C:\oraclexe\app\oracle\product\11.2.0\server\database\initXE.ora'
ORA-01565: error in identifying file 'C:\oraclexe\app\oracle\product\11.2.0\server\dbs/spfileXE.ora'
ORA-27041: unable to open file
OSD-04002: unable to open file
O/S-Error: (OS 2) The system cannot find the file specified.
ORA-01078: failure in processing system parameters
No such spfileXE.ora file. OK, so create it?
SQL> create spfile='C:\oraclexe\app\oracle\product\11.2.0\server\dbs\spfileXE.ora' from pfile='C:\oraclexe\app\oracle\product\11.2.0\server\dbs\init.ora';
File created.
SQL> startup pfile='C:\oraclexe\app\oracle\product\11.2.0\server\database\initXE.ora'
ORA-48108: invalid value given for the diagnostic_dest init.ora parameter
ORA-48140: the specified ADR Base directory does not exist [C:\oraclexe\app\oracle\product\11.2.0\server\DATABASE\<ORACLE_BASE>]
ORA-48187: specified directory does not exist
OSD-00002: additional error information
O/S-Error: (OS 123) The filename, directory name, or volume label syntax is incorrect.
SQL>
Well, I guess I have no ADR Base directory..
C:\oraclexe\app\oracle\product\11.2.0\server\database>dir
Volume in drive C is Windows
Volume Serial Number is 8822-A545
Directory of C:\oraclexe\app\oracle\product\11.2.0\server\database
22/09/2014 06:06 PM    <DIR>          .
22/09/2014 06:06 PM    <DIR>          ..
22/09/2014 06:06 PM             2,048 hc_xe.dat
22/09/2014 02:44 PM                73 initXE.ora
27/08/2011 09:58 AM            31,744 oradba.exe
22/09/2014 05:07 PM             2,265 oradim.log
               4 File(s)         36,130 bytes
               2 Dir(s) 298,041,913,344 bytes free
I list as much supporting information as I know how to below.
Environment
Windows 7 Enterprise, SP1, 64-bit.
Oracle Database Express Edition 11g Release 2 for Windows x32
I have these environment variables set:
echo %ORACLE_SID% - %ORACLE_HOME%
XE - C:\oraclexe\app\oracle\product\11.2.0\server
Installation settings
These are the installation settings used by the installer:
Destination Folder: C:\oraclexe\
Oracle Home: C:\oraclexe\app\oracle\product\11.2.0\server\
Oracle Base:C:\oraclexe\
Port for 'Oracle Database Listener': 1521
Port for 'Oracle Services for Microsoft Transaction Server': 2030
Port for 'Oracle HTTP Listener': 8080
Output from lsnrctl stat
Some debugging information that may be useful:
C:\oraclexe\app\oracle\product\11.2.0\server\bin>lsnrctl stat
LSNRCTL for 32-bit Windows: Version 11.2.0.2.0 - Production on 22-SEP-2014 19:05:52
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
STATUS of the LISTENER
Alias                     LISTENER
Version                   TNSLSNR for 32-bit Windows: Version 11.2.0.2.0 - Production
Start Date                22-SEP-2014 17:07:02
Uptime                    0 days 1 hr. 58 min. 49 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Default Service           XE
Listener Parameter File   C:\oraclexe\app\oracle\product\11.2.0\server\network\admin\listener.ora
Listener Log File         C:\oraclexe\app\oracle\diag\tnslsnr\ITS57151\listener\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1ipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=myhost.mycompany.local)(PORT=1521)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
C:\oraclexe\app\oracle\product\11.2.0\server\bin>
Various config files
Here are the contents of other important files.
The initXE.ora file - C:\oraclexe\app\oracle\product\11.2.0\server\database\initXE.ora
SPFILE='C:\oraclexe\app\oracle\product\11.2.0\server\dbs/spfileXE.ora'
The listener.ora file - C:\oraclexe\app\oracle\product\11.2.0\server\network\ADMIN\listener.ora
SID_LIST_LISTENER =
(SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = C:\oraclexe\app\oracle\product\11.2.0\server)
      (PROGRAM = extproc)
    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = C:\oraclexe\app\oracle\product\11.2.0\server)
      (PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
      (ADDRESS = (PROTOCOL = TCP)(HOST = myhost.mycompany.local)(PORT = 1521))
DEFAULT_SERVICE_LISTENER = (XE)
The tnsnames.ora file - C:\oraclexe\app\oracle\product\11.2.0\server\network\ADMIN\tnsnames.ora
XE =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = myhost.mycompany.local)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = XE)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
    (CONNECT_DATA =
      (SID = PLSExtProc)
      (PRESENTATION = RO)
ORACLR_CONNECTION_DATA =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
    (CONNECT_DATA =
      (SID = CLRExtProc)
      (PRESENTATION = RO)
Edited to restructure question to put the meat of the issue up front and supporting information below.

Uninstall Oracle Database Express Edition 11g Release 2 for Windows x32
Download and install Oracle Database Express Edition 11g Release 2 for Windows x64
Take some time to de-stress.

Moved Oracle 11.2 XE Directory, Connected to Idle Instance

So I will start off by stating I have moved the regular install location of Oracle 11.2 XE to a logical volume (/oracle) I had created on my RHEL 6.6 server. After shutting down both the database and the Oracle listener, I performed...
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    Enter password: ****
    Connected to idle instance.
Further, when I attempt a startup I get an error.
    > startup
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I have attempted the solutions found to no avail.
Here is the output for my listener controller:
    bash-4.1$ lsnrctl status
    LSNRCTL for Linux: Version 11.2.0.2.0 - Production on 10-MAR-2015 10:26:25
    Copyright (c) 1991, 2011, Oracle. All rights reserved.
    Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC_FOR_XE)))
    STATUS of the LISTENER
    Alias                     LISTENER
    Version                   TNSLSNR for Linux: Version 11.2.0.2.0 - Production
    Start Date                10-MAR-2015 10:25:57
    Uptime                    0 days 0 hr. 0 min. 28 sec
    Trace Level               off
    Security                  ON: Local OS Authentication
    SNMP                      OFF
    Default Service           XE
    Listener Parameter File   /u01/app/oracle/product/11.2.0/xe/network/admin/listener.ora
    Listener Log File         /u01/app/oracle/diag/tnslsnr/dev/listener/alert/log.xml
    Listening Endpoints Summary...
      (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC_FOR_XE)))
      (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dev)(PORT=1521)))
    Services Summary...
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      Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
    The command completed successfully
I'm really quite lost as to what to attempt next. I know I could just reinstall and keep the directory in its proper location but I need it to be in it's own logical volume.
Some further information to help clarify my system...
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    ORACLE_SID=XE
    ORACLE_BASE=/oracle/oracle
    ORACLE_HOME=/oracle/oracle/product/11.2.0/xe
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    TNS_ADMIN=/oracle/oracle/product/11.2.0/xe/network/admin
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EDIT
Attempting to sign in to sqlplus using the SYSTEM user returned an error:
    ORA-01034: ORACLE not available
    ORA-27101: shared memory realm does not exist
    Linux-x86_64 Error: 2: No such file or directory
FURTHER EDIT
Output of the ipcs command
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    ------ Shared Memory Segments --------
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    0xc0a59444 32768      oracle     660        4096       0
    ------ Semaphore Arrays --------
    key        semid      owner      perms      nsems
    0xd4a9963c 229378     oracle     660        104
    0x884d8f34 491523     oracle     660        104
    ------ Message Queues --------
    key        msqid      owner      perms      used-bytes   messages

Already solved this issue. The problem was due to incorrect set of env variables:
export ORACLE_BASE=/home/oracle/
export ORACLE_HOME=$ORACLE_BASE/11G
resulted:
ORACLE_HOME=/home/oracle//11G
Linux is capable of retrieving directory content if path is set with *"//"* but seems like oracle does not. Due to this I've got this error. After resetting ORACLE_HOME variable, everything worked.

Connected to an idle instance in sun cluster nodes.

i have two sun cluster node sharing common storage.
Two schema's:
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test2 for nodeB.
My requirement is as below:
Login into b node.
export ORACLE_SID=test1.
sqlplus / as sysdba.
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"connected to an idle instance"
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I found the answer..
sqlplus <sysdbauser>/<password>@test1 as sysdba

Can't access an ORACLE db on Windows via setting %ORACLE_SID%

Hello!
I'm pretty new to ORACLE on Windows (I'm a UNIX person), so I would appreciate any help I can get! I have two ORACLE 11.2.0.1 databases on a Windows 2008 R2 server. One of the databases crashed due to too many archive logs in flash recovery area (the RMAN backup I put together was never scheduled by the sysadmin). I removed all old archive logs and am trying to log into the database to clean it up but I can't get in. Changing %ORACLE_SID% doesn't seem to work:
C:\Users\kcoachman>set %ORACLE_SID%=test <== this is the database which is up with no issues
C:\Users\kcoachman>set %ORACLE_SID%
%ORACLE_SID%=test
C:\Users\kcoachman>set %ORACLE_HOME%
%ORACLE_HOME%=F:\app\wcadmin\product\11.2.0\dbhome_1
C:\Users\kcoachman>sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Thu Feb 28 12:20:48 2013
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Release 11.2.0.1.0 - 64bit Production
SQL> select name from v$database;
NAME
TEST
SQL> exit
Disconnected from Oracle Database 11g Release 11.2.0.1.0 - 64bit Production
C:\Users\kcoachman>set %ORACLE_SID%=abat <== this is the database which crashed
C:\Users\kcoachman>set %ORACLE_SID%
%ORACLE_SID%=abat
C:\Users\kcoachman>sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Thu Feb 28 12:21:07 2013
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Release 11.2.0.1.0 - 64bit Production
SQL> select name from v$database;
NAME
TEST <== what? I'm still in TEST!
SQL> exit
Disconnected from Oracle Database 11g Release 11.2.0.1.0 - 64bit Production
Changing %ORACLE_SID% worked fine before the database crashed. Also I have another server with 3 ORACLE Databases, no problems going from one database to another via changing %ORACLE_SID%... Has anyone seen this before and how do I get into the database to fix it?
Thank you!
Katya

On Windows, you don't set ORACLE_HOME as environment variable directly. You set PATH and rest of env is setup via oracle.key file and Registry variables/values.
To "see" this, open a new command window, run sqlplus (found via PATH setting, or explicit path in command line), and check %oracle_home% and %oracle_sid% inside sqlplus. E.g. using @[[%oracle_sid%]].
For the attempt to set ORACLE_SID for the "second" instance, within the same Home. You actually set a variable named %ORACLE_SID%. Which can be tricky, if not dangerous (allowing % in variable names, that is).
C:\>set ora
Environment variable ora not defined
C:\>set %ora
Environment variable %ora not defined
C:\>set | findstr /i "ora"
C:\>set %ora%=test1
C:\>set ora=test2
C:\>set | findstr /i "ora"
%ora%=test1
ora=test2
C:\>set %ora%=test3
C:\>set | findstr /i "ora"
%ora%=test1
ora=test2
C:\>set | findstr /i "test"
%ora%=test1
ora=test2
test2=test3Edited by: orafad on Feb 28, 2013 10:41 PM
Edited by: orafad on Feb 28, 2013 10:47 PM

Setting ORACLE_SID and connecting without @SID

I am trying to install ArcSDE on the same server I have my 11g RDBMS. The SDE service fails because of a ORA-12560 error. But, that is not my question just the facts which build up to my question. The server is Windows 2003 64bit. The database is 11g.
In each users environment values I have set ORACLE_HOME and ORACLE_SID yet I still have to put @SID in my sqlplus connections like (sqlplus system/manager@ORCL). If I dont put it in I get ORA-12560 errors.
I think that is why the SDE service wont start. I just dont know why the ORACLE_SID Env Variable isnt being read.

@SID means & requires SQL*Net to connect into the DB.
Without @SID ideally the connection is made using BEQUEATH protocol
post results from the 2 following command using CUT & PASTE
lsnrctl status
lsnrctl service
12560, 00000, "TNS:protocol adapter error"
// *Cause: A generic protocol adapter error occurred.
// *Action: Check addresses used for proper protocol specification. Before
// reporting this error, look at the error stack and check for lower level
// transport errors. For further details, turn on tracing and reexecute the
// operation. Turn off tracing when the operation is complete.

O10G idle instance

When I set oraenv to O10G and use sqlplus /nolog, connect / as sysdba, it always says Connected to an idle instance. However, when I do sqlplus sys/oracle@O10G as sysdba, I get connected to either O10G1. Is this normal or did I miss something?
Thanks

I am learning how to install and run oracle on linux.I have installed it on centOS 4.2 together with a startup general purpose database.I want to log in and I'm giving $sqlplus / as sysdba .It does not show anything about being connected to Oracle 10g but instead it brings up only 3lines 1. SQL*Plus Release info 2. Copyright info and 3.Connected to an idle instance .Thereafter it brings the sql prompt. A command startup pops two lines of errors after that. 1. Ora-01078: Failure in processing system parameters
2. LRM-00109: could not open parameter file '/oracle/10g/dbs/initrpc.ora'
rpc in initrpc is my SID, oracle is my base and oracle/10g is my home. I have set the necessary variables in /home/oracle/.bash_profile and parameters in sysctl.conf and refreshed the settings with /sbin/sysctl -p command.
Help.I am following a tutorial on http://www.dizwell.com/prod/node/50?page=0%2C4 and that's the page I am stuck on.

Showing idle instance on xe

Hi,
my database is running fine . But it is showing as idle instance while connection as sysdba. I am able to connect using tnsentry .
how to fix this?
DB version: 10.2.0.1 experess edition -- Linux
Log
$sqlplus "/as sysdba"
SQL*Plus: Release 10.2.0.1.0 - Production on Sat Sep 29 06:11:22 2012
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to an idle instance.
SQL> exit
Disconnected
$ echo $ORACLE_SID
XE
$sqlplus system@xe
SQL*Plus: Release 10.2.0.1.0 - Production on Sat Sep 29 06:11:45 2012
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Enter password:
Connected to:
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
SQL>

user2017273 wrote:
Hi,
my database is running fine . But it is showing as idle instance while connection as sysdba. I am able to connect using tnsentry .
how to fix this?
DB version: 10.2.0.1 experess edition -- Linux
Log
$sqlplus "/as sysdba"
SQL*Plus: Release 10.2.0.1.0 - Production on Sat Sep 29 06:11:22 2012
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to an idle instance.
SQL> exit
Disconnected
$ echo $ORACLE_SID
XE
$sqlplus system@xe
SQL*Plus: Release 10.2.0.1.0 - Production on Sat Sep 29 06:11:45 2012
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Enter password:
Connected to:
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
SQL>with *NIX ORACLE_SID is CaseSensitive
"XE" does not equal "xe"

What is meant by the term 'IDLE Instance'?

Hi
Sometimes i get the following message when connecting to an Oracle10g database
'Connected to an idle instance'
Can some expalin what the term 'idle' means? My database is running according to the MMC
Thanks

Hi,
An idle instance is an instance which is not start.
E:\oracle\ora102>sqlplus "/ as sysdba"
SQL*Plus: Release 10.2.0.2.0 - Production on Fri Apr 7 21:36:05 2006
Copyright (c) 1982, 2005, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> quit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - Pr
oduction
With the Partitioning, OLAP and Data Mining options
E:\oracle\ora102>sqlplus "/ as sysdba"
SQL*Plus: Release 10.2.0.2.0 - Production on Fri Apr 7 21:36:44 2006
Copyright (c) 1982, 2005, Oracle. All Rights Reserved.
Connected to an idle instance.
SQL>
My database is running according to the MMCDon't understand what is MMC ?
Nicolas.

Connecting to idle instance in Oracle 11g

SQL*Plus: Release 11.2.0.1.0 Production on Sat Nov 10 14:48:26 2012
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Enter user-name: sys as sysdba
Enter password:
Connected to an idle instance.
SQL> connect ADIPNU
Enter password:
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Process ID: 0
Session ID: 0 Serial number: 0
Warning: You are no longer connected to ORACLE.
SQL>
Please give a solution..
Thans in advance..

885756 wrote:
Enter user-name: sys as sysdba
Enter password:
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area 8234233856 bytes
Fixed Size 2192096 bytes
Variable Size 4395633952 bytes
Database Buffers 3825205248 bytes
Redo Buffers 11202560 bytes
Database mounted.
ORA-03113: end-of-file on communication channel
Process ID: 3364
Session ID: 170 Serial number: 3
SQL>Post alert log please .
location for alertlog :$ORACLE_BASE/diag/rdbms/PROD/PROD/trace/al*

Unable to Login to Idle Instance from SQL*Plus in windows

Hello,
I'm cloning the db from windows to windows enviornment. At auxilary instance after configuring the Listener and making Password file to right folder when I try to connect to Idle Instance through sql*plus by follwring connad
c:\sqlplus sys/password as sysdba
It gives me ORA-12518 Tns: Listener could not hand off client conenction error
Then I put the follwing parameter in listener.ora DIRECT_HANDOFF_TTC_LISTENER=OFF and restart listener and then try to connect it gives me Ora-12560: TNS protocol adapter error.
I try to connect through tnsnames but give me same error.
Kindly tell me how to resolve this issue as its not allowing me to connect to an idle instance so that I can go further.
I'm using 10gR2 on windows server 2003.
Regards,
Abbasi

follow the steps to clone database:
# 1. Backup the source database.
To use RMAN duplicate an RMAN backup of the source database is required. If there is already one available, skip to step 2. If not, here is a quick example of how to produce an RMAN backup. This example assumes that there is no recovery catalog available:
rman target sys@<source database> nocatalog
RMAN>backup database plus archivelog ;
RMAN> backup archivelog all;
This will backup the database and archive logs.
# 2. Produce a pfile for the new database
This step assumes that the source database is using a spfile. If that is not the case, simply make a copy the existing pfile.
Connect to the source database as sysdba and run the following:
create pfile='init<new database sid>.ora' from spfile;
This will create a new pfile in the $ORACLE_HOME/database directory.
The new pfile will need to be edited immediately. If the cloned database is to have a different name to the source, this will need to be changed, as will any paths. Review the contents of the file and make alterations as necessary.
Because in this example the cloned database will reside on the same machine as the source, Oracle must be told how convert the filenames during the RMAN duplicate operation. This is achieved by adding the following lines to the newly created pfile:
db_file_name_convert=(<source_db_path>,<target_db_path>)
log_file_name_convert=(<source_db_path>,<target_db_path>)
# 3. Create bdump, udump & cdump directories
Create bdump, udump & cdump directories as specified in the pfile
# 4. Create a service
c:/>oradim –new –sid <clonedatabasename> –intpwd <pwd>
eg:
c:>oradim –new –sid clonedb –intpwd oracle
# 6. Duplicate the database
From sqlplus, start the instance up in nomount mode:
startup nomount
Exit sqlplus, start RMAN and duplicate the database. As in step 1, it is assumed that no recovery catalog is available. If one is available, simply amend the RMAN command to include it.
rman target sys@<source_database> nocatalog auxiliary /
duplicate target database to <clone database name>;
thats it
For RMAN Cloning refer:
follow the documentation replace the destinations/locations with your location/folder/destination in source and target database.
http://www.dba-oracle.com/t_copy_clone_windows_database.htm
http://www.shutdownabort.com/quickguides/clone_rman.php
http://www.akadia.com/services/ora_duplicate_database_rman.html
for manual cloning in windows refer the link below:
http://coskan.wordpress.com/2007/04/20/adding-new-database-to-windows-without-dbca-or-rman-clone-or-rman-restore/

Conected idle instance if i set oracle_sid=orcl which is not actual my sid

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