Multiple Oracle Homes and SAN

hi gurus,
i need to install two instances of oracle 10g on solaris 10 and have 6 tb of SAN available to use.
i understand that i can place all the data/redo/arch files on the san.
my question is,
can i place the oracle binary, oracle home etc on the SAN instead of the local disk? advanatages/disadvantatges etc
thanks is advance,
newbie

can i place the oracle binary, oracle home etc on the SAN instead of the local disk? advanatages/disadvantatges etcYes you can. This is often used for some cases (shared Oracle Home for RAC).
My opinion is SAN space is too expensive to waste a space this way (if there is another option).
Note In case you will be creating the RAC installation then you can do shared Oracle Home but do not try to create shared Inventory.

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Multiple Oracle home and multiple Oracle database versions on same server?

Hi all,
I want to setup a test environment on single Windows XP server with an instance
of Oracle 10g and Oracle 11g. How can I install both versions without problems?
Thanks

Hi,
I am facing a problem on the same..
below is the link to my thread.
Multiple Oracle Home in Windows
Please reply me how to solve this problem
Thanks
Bhavik Fuletra

Multiple Oracle Homes and Multiple Listeners

I have two existing oracle homes on the same server and would like to change the configuration so that they have their own listener listening on different ports. How do I do this? What are the critical files that need to be changed?

user445507 wrote:
Thanks Hans but we may have a need to take down a listener and oracle_home for one and leave the other running. Are you suggesting adding a listener declaration in the listener.ora on both oracle_homes for both listeners and change the ports while leaving the port in the tnsnames.ora for both homes at 1521?
We are on Solaris 10 and using 10.2.0.4Databases these days register themselves to the listener. You do absolutely nothing in the listener.ora file.
Simply
- shut down the listener in ORACLE_HOME #1;
- start up the listener in ORACLE_HOME #2 with the defaults;
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- verify the listner knows about the all using 'lsnrctl status'
One common misconception is that the listener must be up. Only true to accept NEW connections - existing connections will not be affected if the listener is taken down.
Precondition is that all databases are installed under the same UID/GID

Multiple oracle homes on Windows and the "Path" environment variable

Hi There,
We have a windows 2003 database server that has few databases running oracle 10.2.0.3. We are installing oracle 11.2.0.1 on the box as well, and we were wondering, which binaries should come 1st in the path environment variable? and how does this effect the working oracle environment?
Going to the oracle home selector and swapping the 2 oracle homes around will have the same effect on the windows path variable - which will treat the 1st oracle home to be the default home - are there any general rules reg. multiple oracle homes on a server and the default home?
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Your thoughts are highly appreciated.
Thanks

That isn't going to happen.
If you install 11.2 last it will appear in the PATH variable first
If you don't want that you need to Oracle Home Selector utility in the Installer to change it.
Obviously, as usual, all of this is documented.
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Senior Oracle DBA

Relinking Oracle binaries and multiple Oracle Homes

Hello,
My question is related to relinking Oracle binaries in the following scenario:
As part of larger migration project we are moving all the databases from one server to another. Both on old and on new server the OS is the same: HP-UX 11.23i. There are 5 databases on the source server, each with it's own Oracle Home (and Oracle binaries). All Oracle binaries for all the databases are version 10.2.0.3.
On the new server we have some of the migrated databases already in production. Now our DBA wants to move another database and, because for each database binaries are moved also from source to destination server, he has to relink the binaries on target server. Is it required to stop all the databases on the target server to perform the relink for this one DB, even if they all have separate Oracle Homes (binaries)?
Thanks for your answers
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883072 wrote:
Hello,
My question is related to relinking Oracle binaries in the following scenario:
As part of larger migration project we are moving all the databases from one server to another. Both on old and on new server the OS is the same: HP-UX 11.23i. There are 5 databases on the source server, each with it's own Oracle Home (and Oracle binaries). All Oracle binaries for all the databases are version 10.2.0.3.
On the new server we have some of the migrated databases already in production. Now our DBA wants to move another database and, because for each database binaries are moved also from source to destination server, he has to relink the binaries on target server. Is it required to stop all the databases on the target server to perform the relink for this one DB, even if they all have separate Oracle Homes (binaries)?
NO!

Multiple Oracle home

Hi ,
I have some doubt which needs to be cleared.
If I will install multiple oracle home like ORACLE_HOME=/u01/app/oracle/product/10.1.0/asm
ORACLE_HOME=/u01/app/oracle/product/9.2.0
ORACLE_HOME=/u01/app/oracle/product/10.2.0
ORACLE_HOME=/u01/app/oracle/product/crs
Now in this when I will set export ORACLE_HOME then which version will be picked up.
Is ORAENV isgoing to come into picture.
Please throw some light on it.
Mk

asifkabirdba wrote:
You have installed your oracle product (db,application server) using one of os user like oracle,appl,oraprod ect. When you log in to your OS by using OS user then .profile file executed automatically to export necessary environmental variables. You did not mention your OS. Normally you will find it to your OS user home directory. You can edit this file to set your desired ORACLE_HOME.
# .bash_profile
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
# User specific environment and startup programs
PATH=$PATH:$HOME/bin
export PATH
unset USERNAME
ORACLE_HOME=/oracle/product/102
ORACLE_SID=ogtest
LD_LIBRARY_PATH=$ORACLE_HOME/lib
TNS_ADMIN=/oracle/product/102/network/admin/
export ORACLE_HOME
export ORACLE_SID
export LD_LIBRARY_PATH
export TNS_ADMIN
export PATH=$PATH:$ORACLE_HOME/bin
Regards
Asif KabirAsif,
Your advice to hard code the Oracle environment directly into the profile is poorly thought out. And a direct carry over of 'worst practices' unfortunately taught in some Oracle related classes.
The OP did correctly identify oraenv (as described in the "Administrator's Reference for UNIX-Based Operating Systems" at http://www.oracle.com/pls/db102/portal.portal_db?selected=4) as the preferred solution. Putting THAT into the profile (using ORAENV_ASK as described in the manual) is OK.
I'll leave you to figure out why the difference - I've posted many times about that in these forums.
/Hans

Multiple Oracle Homes

Hi everybody,
I have Oracle 9i installed on my Windows machine.
I installed Oracle Developer Suite, but could not login due to TNS errors.
I have a little idea of what the problem is. We need to edit TNSNAMES.ORA file so that it could resolve the service name.
Can u please help me out in configuring Developer Suite to work properly?
Thanks.
-- Kishore.

Not quite sure why your title is Multiple Oracle Homes. Can you connect to SQLPLUS or any other product in the suite? Is it just Designer you are having hassles with? Do you have the database on the same machine and can you connect to that? If you are successful at connecting to SQLPLUS, then take a look at the tnsnames file in the Database network /admin directories.
There was a bug at one point where the tnsnames would fail if the network connect string was between 184 and 192 characters in length. You may be running into this. In which case if your tnsnames.ora contains
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Regards
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Guidelines regarding directory structure for multiple Oracle homes on Unix!

Hi All,
Are there any guidelines published regarding directory structures that should be defined while using multiple Oracle homes on Unix/Linux box?
I am looking for guidelines regarding admin and oradata folders so that we dont accidentally mess up with the DB contents with a wrong Oracle home.
Its a development server with 8i and 10g. 11g might also get loaded on the same server in future.
Thanks in advance...
Regards

Thanks Maran.
I have already checked many installation guides before posting here. All of them mention about creating folders like /admin or /oradata on various mount points but none of the naming conventions really indicate whether it is a 8i database or a 10g database.
This is required when you are having multiple Oracle installations under /opt and databases are running from different mount points.
Regards,

Shared cluster with multiple oracle homes

Hi All,
I got to build a shared oracle RAC cluster with multiple oracle home installation ( 10g R1 , 10g R2 , and 11g R1 & 2).
Of course the cluster ware will be version 11.2, but I wondered if there is any dependency on how I install oracle software? Do I have to start with 10g installation first? can I do 11g and then 10g?
Is there anything I should be aware of ?

I installed Oracle Application Server Enterprise which includes AS, Database, OID, Web Cache, SSO etc. and OSES on the same machine. Everything works except I think the windows version of OSES and AS need some patches so the crawler isn't working right. Everything does, however, install and run. I think Oracle develops everything in Linux (rumors of them now using Solaris) so on Linux everything should go smoother.

Regarding Multiple Oracle Homes

Hello,
Does all of the Oracle products support multiple homes ?
Can oracle 8i and oracle 8 products be kept in same oracle home ?
thanks
null

Hi Raj,
To answer your first question, No, not all of Oracle products
support multiple homes. All Oracle7 products and all release
8.0.3 are non-multiple Oracle home products. Oracle 8i lite
cannot support multiple oracle homes either.
In regards to your second question, no Oracle8i and and Oracle
8.0 products cannot be kept in the same Oracle home. Releases
prior to 8.1.3 cannot be installed in an Oracle home that was
created by a release of 8.1.3, 8.1.4 or 8.1.5.
Hope that helps,
Thanks & Regards,
Sudi Narasimhan
Associate Consultant
Partner Services
Raj Thomas (guest) wrote:
: Hello,
: Does all of the Oracle products support multiple homes ?
: Can oracle 8i and oracle 8 products be kept in same oracle home
: thanks
null

Oracle XE (Windows) Multiple Oracle Homes

I have a question in regards to Oracle Express Edition and how it maintains Oracle Home.
I currently have multiple Oracle Homes on my machine. In order for apps like SQL Developer or PLSQL Developer to see the correct TNSNAMES entries, I usually have to use the Home Selector from the Installation tools to properly obtain the correct tnsnames entries in the dropdowns.
Now, I'm a Linux DBA, not to keen on Oracle environments for Windows. But, when I installed Oracle Express Edition, none of my Applications SQL Developer or PLSQL Developer recognize the tnsnames entries for my environment. From the 9i Home Selector I see that it is in the correct environment I want it to use. But it seems Express has overriden somehow.
Can anyone lead me into the right direction to switch between my XE Environment to my 9i environments?
Thanks.
Lee

I did it too, but the beta over beta software is just too dangerous.. you never know what is crashing your system :)
[]s
Marcio

Multiple oracle homes installation

i have installed oracle 9i database on single sever where 8i is residing using multiple oracle homes.After installation some folders and files related to 9i created in 8i home directory(eg:9i admin related folder create in 8i admin folder).but i dont want to create like that.is there any way to create all files related to 9i should reside on that 9i home directory only?

You didn't specified the OS.
Assume that your OS is Unix-like (Solaris, Linux) and your user is oracle.
The answer is very simple. Use different enviroments.
create in home directory (oracle user) two files:
1. .ora_8i
2. .ora_9i
All enviroment variables related for 8i database (ORACLE_BASE, ORACLE_HOME, ORACLE_SID, LD_LIBRARY_PATH etc.) are defined in .ora _8i and all variables for 9i are defined in .ora_9i.
Now, you want working with 8i so you need apply 8i enviroment. To do that simply execute following from shell ". ~/.ora_8i". Now you decided working with 9i so simply execute the ". ~/.ora_9i" from shell.
For installation use the same way. So before you run ./runInstaller load the apropriate enviroment.

Multiple oracle homes problem

Hi!
I have multiple oracle homes on my machine: Oracle9DB, DevsuiteHome_1 and now as I have just installed Oracle Discoverer 10g....BIToolsHome_1.
The problem is ever since I installed Discoverer, nothing is working......
Can anyone help?
Best regards,
Aparna

Dear Rod,
What I mean by nothing is working is I cannot connect to the dataases. I get 'No listener' error message.
Oracle Hone selector gives the following message:
The is only one Oracle Home defined on this machine and so this tool cannot be used to change your primary Oracle home.
I tried to start the listener service, however, it says:
Listener service started and then stopped.
Is there any solution to this problem?
Thanks and best regards,
Aparna

How to install oracle discoverer 4.1.37 when multiple oracle homes exist

Dear gurus,
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Plus i need to have know the steps involved in installing Oracle Discoverer 4.1.68.06?
Help me please
arizudding

This is a known 'challenge' on the ol' 4.x and before version of Disco where Disco needs the default Oracle home and doesn't expect anybody else to be camping on it.
Since Michael's already got the instructions on his site, I won't go over them again - and I'm sure he's given good instructions.
As for the steps involved in installing Disco 4.1.68.06:
1. find the software (metalink, otn, etc).
2. realize it doesn't exist
3. get mad as you'll think Oracle screwed up
4. realize that there is NO version 4.1.68.06
5. be embarrassed!
OK, kidding, but the version you most likely are talking about is: 4.1.48.06. Also, there is one final, final, no more, we ain't coming out with another version, version. That's 4.1.48.08.
Assuming you already have a version such as: 4.1.36 or 4.1.47, etc. you can get old patches, upgrades, etc. by checking metalink. Note that in some cases (ie: maybe 4.1.48.08) you have to put in a TAR with Oracle (and go through the usual "we don't support that version anymore" discussion with them).
Russ
PS. By the way, I worked in SA for about 3 1/2 years many, many moons ago (multiple places like Jeddah, Riyadh, Taif, etc.). Where's Jabail?

How to know the list of patches applied to iAS Oracle home and 8.0.6 Home

Hi,
Please help me for the steps to know the list of patches applied to iAS Oracle home
and 8.0.6 Home;
as we can use ad_bugs, ad_applied_patches, OAM Applied Patches for Oracle Applications Patches list
and we can use opatch lsinventory for Oracle Database patches applied list

Thanks for sharing the answer. BTW, there are some exceptions like, determining Developer 6i patchset applied, and Oracle 9iAS version:
How to find the developer version
Re: how to find the developer version
Note: 186981.1 - Oracle Application Server with Oracle E-Business Suite Release 11i FAQ
https://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=186981.1

Multiple Oracle Homes and SAN

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