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  • We have moved to http://onlineAppsDBA.com kindly check http://onlineAppsDBA.comin future
    Oracle R12 Upgrade from 11i & Database Versions
    Thursday, January 25, 2007
    Register for R12 upgrade
    As promised in past , here is some information on R12 Upgrade process. This Upgrade post revolves around Database version with Oracle Applications (E-Business Suite)

    Key points to note in Oracle Apps R12 upgrade from 11i
    -- R 12 upgrade process involve replacing 11i Tech stack (9iAS & 806) to Fusion Middleware (10g Application Server)
    -- Basic upgrade process involves Rapid Install & Autopatch
    -- Rapid Install involves installing new R12 tech stack as mentioned in first point
    -- Auto patch process involves upgrading E-Business Suite database compatible to R12 (Data Model)
    -- Final upgrade process is of updating data model using enhanced version of AutoPatch
    -- Minimum version from which you can upgrade to R12 is 11.5.7 and higher
    -- Minimum database version from which you can upgrade to R12 is 9i
    so if your database is still 8i or <>
    -- Database must be 10.2.0.2 before or during upgrade process & prior to running AutoPatch which will upgrade datamodel to R12

    As per Oracle R12 Upgrade Documentation, Apps 11i Instance is classified in Two Categories based on Apps & DB Version
    Category 1 - 11.5.7, 11.5.8, 11.5.9 (CU1), 11.5.10 (CU1)
    Category 2 - 11.5.9 (CU2), 11.5.10 (CU2) or 11.5.10.2

    For Category 1 , database should be upgraded during R12 upgrade process (Downtime for R12 upgrade process will be more as this involve database upgrade as well) but for Category 2 Database can be upgraded before R12 upgrade .

    Why can't I upgrade database to 10.2.0.2 before for category 1 ?
    This is because there is no Interoperability patch for above release & 10.2.0.2 was supported for 11.5.9 (CU2) & 11.5.10(CU2) only . (Wish I could be on 11.5.10.2 ;-) )

    What are advantages of Upgrading database to 10.2.0.2 before R12 upgrade ?Downtime can be broken down to two small downtimes (one for Database upgrade another one for R12 upgrade) and can be achieved during weekends or long weekends (depending on your system & resources)

    Various upgrade paths (mainly 3) revolves around application version & database version (mainly on database version).

    Path A for apps R12 Upgrade :

    These are for instances where database is not 10.2 & DB is upgraded during R12 Upgrade
    Install the R12 Technology Stack and 10.2.0.2 Oracle home
    Upgrade the Database to 10.2.0.2
    Perform Database Steps
    Complete the R12 upgrade

    Path B for apps R12 Upgrade :
    These are for instances 11.5.9.2 & 11.5.10.2 and database is 10.2
    Install the R12 Technology Stack and 10.2.0.2 Oracle home
    Perform Database Steps
    Complete the R12 upgrade

    Path C for apps R12 Upgrade :
    These are for instances 11.5.9.2 & 11.5.10.2 and database is NOT 10.2, Here upgrade database first to 10.2.
    Upgrade database to 10.2.0.2
    Use 11i with 10.2.0.2 DB & then in next downtime window
    Perform Database Steps
    Complete the R12 upgrade

    Related :
    For full Steps follow metalink Note # 403339.1 Oracle 10gR2 Database Preparation Guidelines for an E-Business Suite Release 12 Upgrade
    http://becomeappsdba.blogspot.com/search/label/r12

    Labels: ,


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    posted by Atul Kumar @ 4:22 PM  
    14 Comments:
    • At 11:24 PM, Blogger fhasweh said…

      good post,

      drop me a line at oracle-magic.blogspot.com my friend.

      fadi

       
    • At 9:50 AM, Blogger bhavesh said…

      Before Upgrading to release 12, one has to upgrade to 11.5.10.2...Is this correct?

       
    • At 10:32 AM, Blogger Atul Kumar said…

      No Bhavesh,
      As long as you are 11.5.7 or higher you can upgarde to R12

       
    • At 3:11 PM, Blogger Firas said…

      Hi Atul,

      Very useful information.
      Are you going to post any info regarding the installation of a fresh R12? Are there major differences between installation of prior versions and R12 ( Rapid install process, ..etc).

      Cheers
      Firas

       
    • At 6:17 PM, Blogger Atul Kumar said…

      Firas,
      Yes I am going to put fresh install steps on R12 as son as I have my VMWare ready with Linux.

      There are few changes (enhancement) in install which I am going to cover after / before r12 install post

      Atul

       
    • At 3:22 PM, Anonymous neto said…

      Hi Atul,
      There two major new features with release 12:
      - eBusiness Tax (old tax codes)
      - Subledger accounting (old AX)
      Can you tell us if the upgrade process take those two features?
      Thanks.

       
    • At 6:47 AM, Blogger shekhar said…

      Hi Atul,
      We r in process of upgrading oracle apps 11.5.10.2 to release 12.
      I want to know what are the major functional changes(in AR,AP,GL & HRMS modules) in terms of Business Processing between versions 11.5.10.2 and R12.

      Thanks
      Shekhar
      Oracle Apps DBA

       
    • At 6:52 AM, Blogger shekhar said…

      we are in the process of upgrading oracle apps 11.5.10.2 to Release 12.
      I want to know what are the major changes in AP,AR,GL & HRMS modules in terms of Business Processing between versions 11.5.10.2 & R12.

       
    • At 5:06 PM, Blogger m.Gobi said…

      hi Atul,

      i am a APPS DBA , We are planing to do the upgrade and migration from (hpux to itanium) from 11.5.7 to R12.
      can u please check the following steps and suggest me, i had earlier done the upgrade from with in hpux it works fine
      but in this case we need to migrate to itanium, and currently the migration note is not available for R12 , i had changed a
      small step to skip the migration , instead of installing the R12 with upgrade option on hpux , i am planning to install the
      R12 with upgrade option on the Itanium and then move the datafile to itanium and first complete the DB upgrade using the
      newli created 10g binaries from the R12 upgrade option installation.

      and then upgrading the application on the itanium it self

      below i had given the detailed step please suggest me whether this step will work ?

      Current Env

      server : hpux
      apps : 11.5.7
      Rdbms : 8.1.7

      Proposed Env
      server : hp Itanium
      apps : R12
      Rdbms : 10gR2 (10.2.0)

      11.5.7 to R12 upgrade and migrating the OS


      1. Perform the pre-request for upgrade on the source instance which is 11.5.7 on (hpux),


      I Pre-Update Tasks on the source hpux machine


      1. Apply 11i.AD.I on 11.5.7 on hpux

      2. Apply TUMS Patch

      3. Generating the TUMS Report

      4. Convert MultiOrg

      5. Run AD preparation scripts (required)

      6. Gather schema statistics for CBO (required)


      II Prepare for the Upgrade - perform the step on the new hp itanium server (target)

      Run Rapid Install (required) for R12 with upgrade option

      "start Rapid Install by typing rapidwiz

      >> select Upgrade to Oracle Applications Release 12. Click Next.


      >>> On the Select Upgrade Action screen, select Create Upgrade File System."


      And now we need to migrate the data files of the old 8.1.7 to the new server

      clarify me whether the datafiles of hpux and itanium are compactable with each other. so that
      a simple copy will work

      or any specific migration is needed

      And now upgrade the datafiles to 10g using the new 10g binaries created rapid install upgrade opt
      ion.


      so now the database will be both upgraded and migrated to 10g on itanium server


      III

      now we can perform the R12 applciation upgrade on the new itanium server


      Upgrading to Release 12

      1. Drop MRC schema (conditional) on the upgraded db

      2. Ensure that Maintenance Mode is enabled (required)

      3. Apply Release 12 AD minipack (required)

      4. Run the American English upgrade patch driver (required)

      IV Finish the Upgrade on the target itanium instance

      1.. Configure and start server processes (required)

      2. Run the Autoconfig on the dbTier

      3. Run Rapid Install with upgrade option


      please suggest that this will work or not, if works then check any other steps has to be added


      Regards
      kannan

       
    • At 7:43 PM, Blogger Atul Kumar said…

      kannan,
      Kindly raise doubts/questions in forum at http://teachMeOracle.com/forum

       
    • At 10:35 AM, Anonymous Anonymous said…

      Hi Atul,
      I have a question about an apps upgrade. Im running 11.5.10.2 on windows and planning to migrate to R12 on Linux 64 bit.

      Can I install R12 in Linux, use the export/import process from 11i to R12 and run the post upgrade steps to complete the upgrade? I appreciate if you can explain ..

      many many thanks in advance
      Jacob

       
    • At 4:13 PM, Anonymous Anonymous said…

      Hi Atul,

      Oracle Applications - 11.5.10
      Oracle Database - 10.2.0.3
      Application Modules - HRMS,Payroll,Benefits
      HRMS FP K RUP - RUP2

      we are planning to upgrade Ebiz suite to R12. As a prererq we are trying to convert our HCM environment to Multi-org.

      We dont have any operating unit definied in our environment, since we are not using any financial moduels.
      select count(*) from hr_operating_units;
      count(
      ======
      0

      I know before running the multi org conversion on adadmin we need to assign the operating unit value to MO:Operating unit. But here we dont have an OU. Can you please share the experience how to do this

       
    • At 11:59 PM, Blogger Anupama said…

      Hi Atul,

      My client is running on Oracle Database 8i Enterprise version and Oracle apps 11.5.4.

      Now they are in process to upgrade to Oracle apps 12.

      We do have a lot of customization in this environment.

      Can you please guide me what are the step by step process to look for upgrade.

      Regards
      Anu

       
    • At 4:32 AM, Anonymous Anonymous said…

      Hi Atul,
      Can you explain me the steps for upgrading 11i with RAC to R12 with RAC.
      I am confused as I believe Rapid Install only ask for one DB node during laying down the file System, it may not ask RAc information for DB tier.
      Can you please elaborate on this?

       
    Post a Comment
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