Update the Oracle Client form 10.2 to 11.2 under Linux Redhat
As of SAPINST versions of release 6.40/7.00/7.01/7.02 do not allow to install Instant Client 11.2. we have to replace Instant Client 10.2 by Instant Client 11.2 after the SAP installation , according to SAP recommendation All SAP application servers of an SAP system should run with the same version of the instant client. Running a mix of different instant client versions in one SAP system is not recommended
Use Oracle Instant Clients of release 11.2 if your database is running on Oracle Database Release 11.2.
Use Oracle Instant Clients of release 10.2 only if your database is running on Oracle Database Release 10.2.
accordingly we have to update all Oracle Client form 10.2 to 11.2 in mix environments ,and because of that , i prepared the following Document and I hope it will be beneficiary for all
1 - Download the Required Oracle client version (11.2) from SMP
2 - Check the SAP Kernel Patch Level if the Level Less than 51 you should Update the Kernel
2a - To check the Kernel level , Logon to the system select Status from SYSTEM Menu
2b - Click other Kernel Info
2c - Check sub package Level
Kernel Should Be Higher than 51
2d - Stop SAP to Upgrade the Kernal
2e - Extract the New Kernel in /sapmnt/SID/exe
2f - Check the Kernel
SAP Kernel Update is done and SAP Kernel Level become higher than 51
Continue with Oracle client update
The default path for the installed instant client in an SAP environment is:
Instant Client Release 11.2: /oracle/client/11x_<wordsize>/instantclient
3 - Extract the SAR File downloaded from SMP in to the following directory
/ORACLE /client
4 - Go to /oracle /Client/11x_64
Create Symbolic Link as following
5 - Edit the client Version in the following Profiles (.dbenv_HOSTNAME.csh , .dbenv.csh) in /ORACLE/SID Directory and .dbenv_HOSTNAME.csh in Oracle home Directory
Change 10x in the profile to 11x
Edit the profile
Change 10 to 11
Edit the profile
Modify the client directory to be
6 - Confirm that the New Oracle client is running OK
7 - Run the following command in Os Level
>> su - <SID>adm
>> cd /oracle/client/11x_64/instantclient
>> ./genezi -v
8 - Check the Version of the running Oracle client .
System >> Status >> moreinfo
Done
In the cluster environment there are additional 2 steps
Same modification should be done on the following two files (.dbenv_VhostNameforDB.csh , .dbenv_VhostNameforDB.csh)
And
Add the following parameter in the SQLNET.ORA file
DIAG_ADR_ENALBLED=OFF
In
$TNS_ADMIN/SQLNET.ORA
Make a test
Confirm that the New Oracle client is running by Running the following command in Os Level
correction by reagan.benjamin Dec 7, 2013 3:56 PM
>> su - <SID>adm
>> cd /oracle/client/11x_64/instantclient
>> ./genezi -v
Done
Reference SAP Note 819829
Best Regards
AhMeD IbRaHiM
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