Two oracle homes 8 and 10

Hi,
on a windows 2003 server I have Oracle 10g and Oracle 8.1.7.
When we start listener of 10g , it deos not start listener for 8.1.7 data base. For starting 8.1.7 Listener I should go to Oracle_HOME/bin of 8.1.7.
Is there any way to resolve this in order to start Listener for 8.1.7 with 10g listener ? How to include 8.1.7 Db in SID_LIST_LISTENER of 10g listener.ora?
The same we can not use SQLPLUS of 10g to connect to 8.1.7 data base . We should do this from 8.1.7ORACLE_HOME/bin. How can I change to be able to connect from every directory ?
Many thanks.

Use oracle netmanager to include oracle 8i database service name in to 10g listner or else manually include 8i SID and oracle home in to 10g listner file.
Netmanager can be started by typing netmgr on command prompt
e.g
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(PROGRAM = extproc)
(SID_NAME = orcl)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
(SID_DESC =
(GLOBAL_DBNAME = orcl)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
(SID_NAME = ORCL)
(SID_DESC =
(GLOBAL_DBNAME = TSH1)
(ORACLE_HOME = /data2/oracle/ora8i)
(SID_NAME = TSH1)
2)
in 10g Home you need to configure tnsnames.ora for the 8i database to be connected. Put the 8i server ip and SERVICE_NAME and port in 10g tnsnames.ora file. You can find this file in $ORACLE_HOME/network/admin
TSH1 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.21.29)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = tsh1)
)

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Two oracle homes in linux!

Hello !
Can we make two oracle homes in Linux .
In one home i have to install 8i database and in the other home i have to install 9iAS.
What i think is , for two oracle homes in linux u need to make two oracle users first ,and in two different bash_profile file u have to give the path of oracle home. So this thing will not allow to start
your database every time. u have to change user every time and then start your database .
This thing will create problem .
I have tried this thing on NT and it worked . I mean i made two oracle Homes and on one home i installed 8i and on other home i installed 9iAS. and it worked uccessfully.
How can i do it on Linux .
Regards
null

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by seemab:
Sir i am talking about Red Hat Linux.
Can we do it on it .
Regards<HR></BLOCKQUOTE>
I don't see why not. I used to use Red Hat and it worked the same.
Say you want to start the database, open a terminal and do something like
su - oracle
<give password>
. setupdbenv
small script you write to set your SID, ORACLE_HOME, etc
then start the database in that terminal.
Similarly, for Oracle9iAS, log on using the correct user (root?), set the environment using something like . setupiasenv, and do the apachectl thing.
I have 5 different Java environments I can setup in this way. Would be impossible if I used .bashrc or .profile to setup my environments.
Cheers,
Malte
null

Two oracle homes on linux !

Hello !
Can we make two oracle homes in Linux .
In one home i have to install 8i database and in the other home i have to install 9iAS.
What i think is , for two oracle homes in linux u need to make two oracle users first ,and in two different bash_profile file u have to give the path of oracle home. So this thing will not allow to start
your database every time. u have to change user every time and then start your database .
This thing will create problem .
I have tried this thing on NT and it worked . I mean i made two oracle Homes and on one home i installed 8i and on other home i installed 9iAS. and it worked uccessfully.
How can i do it on Linux .
Regards
Seemab

No you don't need a separate user. Just a shell script to change the environment.
This is fairly standard on all unix platforms and is covered in the manuals, generally you run .oraenv or .coraenv which is really just a shell script which resets the environment.(theres probably a bash shell script for linux I haven't checked). However you can write your own to suit you needs. Generally the format is that the script it prompts you for an instance name and sets the environment approppriately but it could prompt you for anything.
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8) ORACLE_HOME=....
ORACLE_SID=....;;
esac

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Hi,
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http://oracledba.cz

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I am a newbie apps dba and was going through the oracle documentation. Where I learnt that in r12 there are two ORACLE_HOME 10.2.0 and 10.3.0. I tried to research regarding the same but couldn't find anything conclusive enough that would clear my fundamentals regarding the need for having 2 ORACLE_HOME. Of what I have understood , 10.2.0 is Developer Home which hosts the Apache, forms server etc and 10.3.0 hosts the JAVA/html server etc. Is my understanding correct regarding the same ? and what is the use and advantage of having two Oracle Homes? Do explain me in laymen terms as I am still a newbie!

BhaviSavla;
I guess you dint understand what I have said!!! I HAVE ALREADY READ THAT THOUSAND TIMES!!! Please think double&triple time while you are talking wiht Hussein Sawwan about EBS related questions. I am sure about Hussein Sawwan understand your question as he understand other questions and already he has been answered your question(If you have ability to understand what you read)
I strongly suggest you about TO BE KIND-RESPECT with forum users which are trying to help other people here.
And I am still not able to understand the actual advantage of having TWO ORACLE_HOME...After read something, If you still understand than dont blame forum users. Choose easy way... Rise SR!
Kindly do not post just to increase your number of posts on this forum!! If you cannot help me in anyway with this, kindly do not post!If you dont follow OTN forum site consistently than DO NOT MAKE COMMENT about people here If the topic is Hussein Sawwan.
I must remind you something... He has more than 50k post wiht 51k points which mean he made post here like your_post_count*1500times... Wiht other words, his each post equal to 1 point, which mean his each post has meaning which are helpful!
Do you have capability to calculate how mch time he spend here?
Dont thing so!
Moderator, I belive this question is already answered If the poster read notes! Please close or lock this thread!
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Hi
If I have two Oracle Homes on the same servers (say, 10.2.0.4 and 10.2.0.5), do I need to configure two listeners (one for databases of each Home) OR one listener (from the higher version Oracle home probably) will be good enough? If one listener is enough, is there special configuration for such case?
Best regards

user130038 wrote:
Hi
If I have two Oracle Homes on the same servers (say, 10.2.0.4 and 10.2.0.5), do I need to configure two listeners (one for databases of each Home) OR one listener (from the higher version Oracle home probably) will be good enough? If one listener is enough, is there special configuration for such case?
Best regards
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Aman....

Can I have the same product installed in my two computers (home and office)?

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Thanks for sharing the answer. BTW, there are some exceptions like, determining Developer 6i patchset applied, and Oracle 9iAS version:
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Edited by: orausern on Mar 30, 2010 12:38 AM

Also, probably would be a good idea to take a quick glance at the Oracle Homes section of the Universal Installer guide.
http://download.oracle.com/docs/cd/B19306_01/em.102/b16227/oui3_manage_oracle_homes.htm#i1006015

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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?
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Hello All.
I've been googleing and looking over otn site but I cannot find solution to my question that, perhaps, is pretty easy.
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Ricard wrote:
Hi
This is for test purpose.
I know oracle dont enjoy having same SID for 2 instances in same host.
I was reading about it and seems is possible on UNIX machines. So i tried to do in a red hat linux enterprise 4.
But with dbca, im always stoped by oratab, cause cant have same oracle_sid in oratab.
Any idea how to do it?
Not using dbca and making the database manually via script?
ThanksWell, if you read this link,
http://download.oracle.com/docs/cd/B19306_01/server.102/b14220/startup.htm#CNCPT601
And from here, this quote,
>
Multiple instances can run concurrently on the same computer, each accessing its own physical database. In large-scale cluster systems, Real Application Clusters enables multiple instances to mount a single database.>
One instance can be used only by one single database on a box. There may be another instance of the same name available but Oracle won't let you open that database. You will receive,
ORA-01102 cannot mount database in EXCLUSIVE modeCause: Some other instance has the database mounted exclusive or shared.
Action: Shut down the other instance or mount in a compatible mode.>
So , in any case, you are limited to one single database and one instance. As Paul mentioned, using different case, you may be able to achieve this but that still can't be called a true test as on *nix, case does matter and ORCL and orcl are going to be considered as two different databases.
HTH
Aman....

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