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 Details of Adpreclone and Adcfgclone (Interview Ques: What happens internally when you run adpreclone and adcfgclone) I am covering the Internal Cloning Process which you will not get eaily on the net. Generally you find the steps for cloning like run adpreclone on apps and db tier then copy the file sytem to Target then run adcfgclone on apps tier and db Tier. What happens when you run adpreclone and adcfgclone. The below steps give you better understanding and enhance your troubleshooting skills. Configuring the source system

When you run this commnad adpreclone.pl dbTier . This will run in two steps Techstack and database. Techstack: It will create following directories in the ORACLE_HOME/appsutil/clone Jlib, db, data where “Jlib” relates to libraries “db” will contain the techstack information, “data” will contain the information related to datafiles and required for cloning. Creates driver files at ORACLE_HOME/appsutil/driver/instconf.drv Converts inventory from binary to xml, the xml file is located at $ORACLE_HOME/appsutil/clone/context/db/Sid_context.xml Prepare database for cloning: This includes creating datbase control file script and datafile location information file at $ORACLE_HOME/appsutil/template adcrdbclone.sql, dbfinfo.lst Generates database creation driver file at ORACLE_HOME/appsutil/clone/data/driver data.drv Copy JDBC Libraries at ORACLE_HOME/appsutil/clone/jlib/classes12.jar and appsoui When Running adpreclone appsTier This will create stage directory at $COMMON_TOP/clone. This also run in two steps. Techstack: Creates template files for Oracle_iAS_Home/appsutil/template Oracle_806_Home/appsutil/template Creates Techstack driver files for IAS_ORACLE_HOME/appsutil/driver/instconf.drv 806_ORACLE_HOME/appsutil/driver/instconf.drv APPL_TOP preparation: -It will create application top driver file$COMMON_TOP/clone/appl/driver/appl.drv -Copy JDBC libraries$COMMON_TOP/clone/jlib/classes111.zip Now Shutdown all the services of Application and database for Copy the file System to target location Configuring the target system Once it is done . Run as below adcfclone.pl for apps Tier and dbTier.

On database side: cd $ORACLE_HOME/appsutils/clone/binperl adcfgclone.pl dbTier pwd=apps This will use the templates and driver files those were created while running adpreclone.pl on source system and has been copied to target system. Following scripts are run by adcfgclone.pl dbTier for configuring techstack adchkutl.sh — This will check the system for ld, ar, cc, and make versions. adclonectx.pl — This will clone the context file. This will ceate a new context file as per the details of this instance. runInstallConfigDriver — located in $Oracle_Home/appsutil/driver/instconf.drv Relinking $Oracle_Home/appsutil/install/adlnkoh.sh — This will relink ORACLE_HOME For data on database side, following scripts are run Driver file $Oracle_Home/appsutil/clone/context/data/driver/data.drv Create database adcrdb.zip Autoconfig is run Control file creation adcrdbclone.sql On Application Side: COMMON_TOP/clone/bin/perl adcfgclone.pl appsTier pwd=apps Following scripts are run by adcfgclone.pl Creates context file for target adclonectx.pl Run driver files $ORACLE_HOME/appsutil/driver/instconf.drv $IAS_ORACLE_HOME/appsutil/driver/instconf.drv Relinking of Oracle Home$ORACLE_HOME/bin/adlnk806.sh$IAS_ORACLE_HOME/bin/adlnkiAS.sh At the end it will run the driver file $COMMON_TOP/clone/appl/driver/appl.drv and then runs autoconfig. Enjoy!!!

FROM:

http://oracleapplicationguru.blogspot.com/2008/01/details-of-adpreclone-and-adcfgclone.html

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