Separating ASM home and DATABASE home?

I just installed a new 2 node cluster on linux Itanium and I have configured my CLUSTERWARE_HOME and DATABASE_HOME. We are using ASM for our database storage and I had used dbca to create the ASM instances and when I ran the dbca to create the new ASM instance I used the dbca from the DATABASE_HOME.
I have been told that I should have created an additional home for the ASM instance? Is this correct and is this a best practice for RAC and ASM?
Everything is up and running fine and I and pondering if it is worth reconfiguring so that we can have a separate ASM home?
Is there a good doc out there concerning how to reconfigure the home for ASM once it is up and runnig and my database is currently utilizing it for it's storage?
I know that I would just have to lay down the binariies into a new directory but what alse needs to change? Will this affect how the ASM instances are registered with the clusterware?
What is the real benefit of having them separate? I have been told that you can patch then separately but I don't see the benefit as the db would have to be down anyhow if the ASM instance would need to be patched?
Any suggestions are greatly appreciated.
Thanks.

Hi,
<< Oracle Documentation >>
Keep the following in mind when installing ASM:
When running more than one database instance on a single server or node, it is recommended that you install ASM in its own Oracle home on that server or node. This is advisable even if you are running only one database instance but plan to add one or more database instances to the server or node in the future.
With separate Oracle homes, you can upgrade and patch ASM and databases independently, and you can deinstall database software without impacting the ASM instance.
If an ASM instance does not already exist and you select the OUI option to install and configure ASM only, OUI installs ASM in its own Oracle home.
If you are running a single database instance on a server or node and have no plans to add one or more database instances to this server or node, ASM and the database can share a single Oracle home
If an ASM instance does not already exist and you select the OUI option to create a database that uses ASM for storage, OUI creates this single-home configuration.
Have a look at the following documents:
1) ML NOTE:265633.1 ASM Technical Best Practices
2) http://julian.dyke.users.btopenworld.com/com/Blog/2007_01_01_archive.html
3) http://www.dell.com/downloads/global/solutions/Oracle_DB_Deployment_with_Separate_ASM_and_Database_Home_Final_Web_Ready.pdf
4) http://download.oracle.com/docs/cd/B19306_01/server.102/b14231/storeman.htm#i1021337

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vishnusivathej wrote:
Hi guys,
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Hello,
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Hi,
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Hi,
In your case there is no big difference 10g / 11g.
Ques 1:Can I do this conversion by moving talespaces or only by using a dmp file created by datapump export from 10gR1?
http://download.oracle.com/docs/cd/E11882_01/server.112/e17222/preup.htm#i694345
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Cannot View Database Home Page After Upgrading to XE 3.2 on Windows XP

Hi all,
I have recently upgraded from APEX 3.1 to APEX 3.2 on my Oracle 10g XE database running on Windows XP SP3.
Unfortunately after successfully completing the upgrade and starting the services when I try and visit the Start -> All Programs -> Oracle Database 10g Express Edition -> Go To Oracle Database Home Page I am receiving a page cannot be found error (or broken link message, depending on the browser I try IE7, Firefox 3.0.10 or Chrome 2.0).
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PORT
8080
Enter values below for the XDB HTTP listener port and the password for the Application Express ADMIN user.
Default values are in brackets [ ].
Press Enter to accept the default value.
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PL/SQL procedure successfully completed.
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Commit complete.
-------- Confirming that the services have started ---------------
C:\oracle\oraclexe\app\oracle\product\10.2.0\server\BIN>net start OracleXETNSListener
The OracleXETNSListener service was started successfully.
C:\oracle\oraclexe\app\oracle\product\10.2.0\server\BIN>net start OracleServiceXE
The OracleServiceXE service is starting......
The OracleServiceXE service was started successfully.
C:\oracle\oraclexe\app\oracle\product\10.2.0\server\BIN>lsnrctl status
LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 16-JUN-2009 23:16:51
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC_FOR_XE)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Produ
ction
Start Date 16-JUN-2009 23:16:27
Uptime 0 days 0 hr. 0 min. 24 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Default Service XE
Listener Parameter File C:\oracle\oraclexe\app\oracle\product\10.2.0\server\NETWORK\ADMIN\listener.ora
Listener Log File C:\oracle\oraclexe\app\oracle\product\10.2.0\server\network\log\listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC_FOR_XEipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1522)))
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
Listener Log File (C:\oracle\oraclexe\app\oracle\product\10.2.0\server\network\log\listener.log)
TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production on 16-JUN-2009 23:16:27
Copyright (c) 1991, 2005, Oracle. All rights reserved.
System parameter file is C:\oracle\oraclexe\app\oracle\product\10.2.0\server\NETWORK\ADMIN\listener.ora
Log messages written to C:\oracle\oraclexe\app\oracle\product\10.2.0\server\network\log\listener.log
Trace information written to C:\oracle\oraclexe\app\oracle\product\10.2.0\server\network\trace\listener.trc
Trace level is currently 0
Started with pid=600
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC_FOR_XEipc)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1522)))
Listener completed notification to CRS on start
TIMESTAMP * CONNECT DATA [* PROTOCOL INFO] * EVENT [* SID] * RETURN CODE
16-JUN-2009 23:16:51 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=)(USER=Gary Williams))(COMMAND=status)(ARGUMENTS=64)(SERVICE=LISTENER)(VERSION=169869568)) * status * 0
------------ Other tests -------------
SQL> SELECT STATUS FROM DBA_REGISTRY WHERE COMP_ID = 'APEX';
STATUS
VALID
C:\temp\apex>find /I "ora-" *.log
---------- INSTALL2009-06-16_13-02-41.LOG
---------- SQLNET.LOG
SQL> SELECT username
2 FROM dba_users
3 WHERE username LIKE 'FLOWS_%'
4 OR username LIKE 'APEX_%';
USERNAME
FLOWS_030100
APEX_PUBLIC_USER
APEX_030200
FLOWS_FILES
FLOWS_020100
I have turned off my Firewall, checked against multiple browsers.... HELP!!!!
I've backed out the 3.2 upgrade and reinstalled and receieved the same issue. The next step is to unistall the XE database and reinstall, but I'm loathed to do that without seeking some responses from this Forum.
Many thanks.
Have a great day.
Kind Regards,
Gary.

Hello Roel,
Thank you taking the time to reply.
I had previously tried all those url combinations and still no luck.
I also found out about displaying the HTTP port number. And you were right it was listening on the default 8080. I disabled it and re-enabled it on port 9080 to see if that made a difference but it didn't so I decided to remoce Oracle XE database and go through the reinstallation and subsequent upgarde to APEX 3.2. Everything appera sto be working fime now.
One point of note is that if I view the Listener status now I notice another line from what I had previously referring to the HTTP listener, although my listener.ora file never changed (apart from having the TNS Listener port resuming to the default 1521).
C:\>lsnrctl status
LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 18-JUN-2009 11:24:30
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC_FOR_XE)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production
Start Date 18-JUN-2009 09:08:04
Uptime 0 days 2 hr. 16 min. 29 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Default Service XE
Listener Parameter File C:\oracle\oraxe\app\oracle\product\10.2.0\server\network\admin\listener.ora
Listener Log File C:\oracle\oraxe\app\oracle\product\10.2.0\server\network\log\listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC_FOR_XEipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=D9GVDX1S)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=8080))(Presentation=HTTP)(Session=RAW))
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...
Service "XEXDB" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Service "XE_XPT" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Service "xe" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
The command completed successfully
Can anyone answer why this may have been omitted previously? Presumably this is why my browser couldn't render anything from APEX.
Kind Regards,
Gary.

Cannot access Oracle XE database home page

Hi
I have just installed Oracle Database 10g express edition on my Windows XP, and the installation seemed to go well.
I then select to go to the database home page after the installation which opens a browser at this address: http://127.0.0.1:8080/apex, and i get a The page cannot be displayed' error.
During the install, i was given this information:
Destination Folder: C:\oraclexe\
Port for 'Oracle Database Listener': 1521
Port for 'Oracle Services for Microsoft Transaction Server': 2030
Port for HTTP Listener: 8080
I have tried restarting my computer, but still get the cannot find server error when attempting to go to the database home page.
I was wondering if anyone else has had experience with this issue, where they cannot get to the database homepage, and how they may have solved it.
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Any help would be greatly appreciated.
many thanks
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Hi,
when i tried to conenct through sql command line, this is what i got:
SQL> connect sys as sysdba
Enter password:
Connected to an idle instance.
SQL> startup
ORA-01078: failure in processing system parameters
ORA-01565: error in identifying file 'C:\oraclexe\app\oracle\product\10.2.0\serv
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ORA-27041: unable to open file
OSD-04002: unable to open file
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SQL>
even though the database is already started and i see the service running fine.
Philip.

Cannot Go To Database Home Page

I installed...
Oracle Database 10g Release 2 (10.2.0.1) Express Edition for Microsoft Windows (Western European)
...and I choose >Start, >Programs, >Oracle Database 10g Express Edition, >Go To Database Home Page
...and IE6 opens and tries to load this URL
http://127.0.0.1:8080/apex
...and I get a "The page cannot be displayed" error.
If I try using the machine name...
http://kamoskimxp:8080/apex
...then the page loads; but, it is blank. (This leads me to think that if I knew the exact URL, fully-qualified, for the actual Database Home Page itself, including file name and extension, then I would be able to forcibly load the page. But, after many guesses, that URL is still unknown to me.)
Note -- This box is behind a corporate firewall.
Note -- This box has a built-in, fixed home page in IE that is the company's intranet home page, and this IE home page setting cannot be changed by the enduser.
So, my question is...
...How can one get the Oracle Database Home Page to load under such circumstances?
Please advise.
Thank you.
-- Mark Kamoski

it cant start..
like this..
TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production
System parameter file is C:\oraclexe\app\oracle\product\10.2.0\server\network\ad
min\listener.ora
Log messages written to C:\oraclexe\app\oracle\product\10.2.0\server\network\log
\listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC_FOR
_XEipc)))
Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=LENOVO-C72B2944)(P
ORT=1521)))
TNS-12545: Connect failed because target host or object does not exist
TNS-12560: TNS:protocol adapter error
TNS-00515: Connect failed because target host or object does not exist
32-bit Windows Error: 1001: Unknown error
Listener failed to start. See the error message(s) above...
this is my tnsnames.ora
XE =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = LENOVO-PKN)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = XE)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
(CONNECT_DATA =
(SID = CLRExtProc)
(PRESENTATION = RO)
and this my listener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oraclexe\app\oracle\product\10.2.0\server)
(PROGRAM = extproc)
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = C:\oraclexe\app\oracle\product\10.2.0\server)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
(ADDRESS = (PROTOCOL = TCP)(HOST = LENOVO-C72B2944)(PORT = 1521))
DEFAULT_SERVICE_LISTENER = (XE)

Cannot go to database home page for my 10g

i have installed 10g and it worked.
then i got problem after my holiday.
i dont know why i cant access database home page
http://127.0.0.1:8080/apex
i have try lsnrctl and this is what i have got..
LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC_FOR_XE)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
32-bit Windows Error: 2: No such file or directory
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=LENOVO-C72B2944)(PORT=1
21)))
TNS-12545: Connect failed because target host or object does not exist
TNS-12560: TNS:protocol adapter error
TNS-00515: Connect failed because target host or object does not exist
32-bit Windows Error: 1001: Unknown error
whats problem here??
thx

it cant start..
like this..
TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production
System parameter file is C:\oraclexe\app\oracle\product\10.2.0\server\network\ad
min\listener.ora
Log messages written to C:\oraclexe\app\oracle\product\10.2.0\server\network\log
\listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC_FOR
_XEipc)))
Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=LENOVO-C72B2944)(P
ORT=1521)))
TNS-12545: Connect failed because target host or object does not exist
TNS-12560: TNS:protocol adapter error
TNS-00515: Connect failed because target host or object does not exist
32-bit Windows Error: 1001: Unknown error
Listener failed to start. See the error message(s) above...
this is my tnsnames.ora
XE =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = LENOVO-PKN)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = XE)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
(CONNECT_DATA =
(SID = CLRExtProc)
(PRESENTATION = RO)
and this my listener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oraclexe\app\oracle\product\10.2.0\server)
(PROGRAM = extproc)
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = C:\oraclexe\app\oracle\product\10.2.0\server)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
(ADDRESS = (PROTOCOL = TCP)(HOST = LENOVO-C72B2944)(PORT = 1521))
DEFAULT_SERVICE_LISTENER = (XE)

Not able to access Oracle 10g XE database home page on Windows XP?

I wanted to practise pl/sql in my office pc. I installed Oracle 10g XE on my machine and after that I also started Agent from Services. However When i clicked on Database home page it doesn't start. Changing network configuration might create problem in network. Can anybody help me working out this problem or has any alternative to practise PL/SQL with tiny oracle database.
Regards
Manish
Edited by: user11003855 on Apr 19, 2009 11:27 PM

Did you configure loopback adapter?
:p

Cannot get 'Go to Database Home Page' to work on 10gXE after installation

Hello,
I recently installed Oracle(univesal) 10g XE onto my PC. I tried to go to the Database Home Page and am not able to do so. When I click the 'Go to Database Home Page' button, a browser appears with the message 'page cannot be displayed'.
I am using Windows 2000 and have installed the loopback adaptor.
Thanks,
Shane

You might want to search this forum for keywords "10gXE Database Home Page" - this has been discussed many, many times.
In addition, Virag has such an excellent troubleshooting site, it is simply a waste of time to walk through the steps here - go to http://viragsharma.blogspot.com/search/label/oracle%20XE first!

Problem In GO TO DATABASE HOME PAGE in oracle 10g XE updated

When i click the GO TO DATABASE HOME PAGE icon my web browser say "The page you are looking for is currently unavailable Server, Cannot find server or DNS Error
Internet Explorer" and the address that it is openning is "http://127.0.0.1:8080/htmldb" can any one help me with this?
Im using oracle 10g express edition, the one that is available for free download. And my operating system is windows xp SP2.
Thanks
Message was edited by:
user468763

There is a dedicated forum for questions related to XE
Oracle Database Express Edition (XE)
You need first to register for this forum here:
http://www.oracle.com/technology/xe/registration
After you register, simply log on to the discussion forums wth the same userid that you used to register - no need to wait for the confirmation email.

Separating ASM home and DATABASE home?

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