Cloning : Difference in Oracle 11i and R12/12i

Cloning Principle
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1. Cloning is creating replica of your source instance (prod,..) to target (test,dev..) so that patch level & data in target instance is same as source instance.

2. Overview of cloning steps
2.1 Ensure you are autoconfig enabled on both Application Tier & Database tier (This is for Rapid Clone)
2.2 Maintain snapshot is executed at least once after any patches(tech stack) or database changes(adding new tablespace)
2.3 Run Preclone on DB Tier (on Source )
2.4 Run Preclone on Apps Tier (on Source)
2.5 Copy source instance file system to target instance
2.6 Run postclone/config on DB Tier (on Target Instance)
2.7 Run postclone/config on Apps Tier (on Target Instance)
2.8 Update Profile option (server, responsibility, user level), Printer, workflow config settings

What changed in Rapid Clone from 11i to R12/12i
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1. adpreclone.pl script in 11i is in $COMMON_TOP/admin/scripts/$CONTEXT_NAME where as same perl script in R12/12i is in $INST_TOP/admin/scripts (If you want to know more about INSTANCE_TOP in R12 or 12i click here )

2. Files to copy, If target instance pre-exist

In 11i you copy $APPL_TOP, $OA_HTML, $OA_JAVA, $OA_JRE_TOP, $COMMON_TOP/util, $COMMON_TOP/clone, 806 & iAS ORACLE_HOME, Database ORACLE_HOME & DB_TOP
In R12/12i you copy $APPL_TOP, $COMMON_TOP, Forms & Reports ORACLE_HOME (10.1.2), Web IAS_ORACLE_HOME (10.1.3) , Database ORACLE_HOME & DB_TOP 

3. Clone Configuration Script on target instance (adcfgclone.pl in both 11i & R12, 12i is in same location $COMMON_TOP/clone/bin)

4. There is no change in clone script location at Database Tier in 11i or R12/12i

So there is not much changed in cloning process as whole from Oracle Application 11i to R12/12i

Related Document

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230672.1  Cloning Oracle Applications Release 11i with Rapid Clone (Metalink Note)
406982.1  Cloning Oracle Applications Release 12 with Rapid Clone (Metalink Note)

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About the Author Atul Kumar

Oracle ACE, Author, Speaker and Founder of K21 Technologies & K21 Academy : Oracle Gold Partner specialising in Design, Implement, and Trainings.

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Leave a Comment:

7 comments
mehboob_cse@yahoo.com says February 23, 2008

Hi Atul,

i want know that is 12i is certified with 11g database or not…

Reply
Srinivas says February 27, 2008

Hi Atul,

It is very userful site for evryone those who are using this reg.They will be in good position.

Reply
Taj says October 28, 2008

No,
it is not certified 11g to R12 application release.

Reply
venkat says June 16, 2011

Hi Atul,

The above post was good
Could u post some more explanation on R12cloning.

Reply
Kiran says October 18, 2011

Hi Atul,

Could u pls post differences between flex clone and full clone .

Reply
manjunath jain says February 3, 2014

Hi Atul,

Your site is marvelous for a starter with resource full. Kindly let me know where i can get the Apps software for 11i r12.

Reply
Add Your Reply

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