20080229 - r12 upgrade lessons learned

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Tier1 Confidential and Proprietary

Oracle E-Business SuiteRelease 12 Upgrade: Lessons Learned

Ed EichlerVice President of Consulting Services

Phil RainsbergerSenior Oracle Application DBA

February 29, 2008




R12 Technical Architecture

Database Tier 12.0.0 -12.0.1: 10.2.0.2

12.0.2+: 10.2.0.3

Application Tier

Built upon Fusion Middleware components

10g AS (10.1.3)

10g Developer (10.1.2.0.2)

10g Discoverer (10.1.2.0.2)

Client

The Sun Java (J2SE) Browser plug-in has replaced Jinitiator

MS Internet Explorer, Netscape, Firefox, Safari




R12 Directory Structure

Applications Tier Oracle Applications Release 12 introduces a new file system structure

The new structure enables Oracle Applications files to be placed into one of the

following categories, and located accordingly:

Data

Code

Configuration

Configuration files are typically modified more frequently than code and data files

Keeping configuration files separate from code and data simplifies administration and

maintenance





Applications Tier





Database Tier



R12 Upgrade: Preparing Now

Must be on release 11.5.7+ or upgrade will be a two-step process

Database upgrade to 10.2.0.2 or 10.2.0.3 (requires 11.5.9.2 or

11.5.10.2)

Install Release 12 Vision

Get familiar with new directory structures and technologies

End users can see changes and benefits of R12

Begin upgrade of custom Developer Forms, Reports, and Libraries to 10g




Running the R12 Upgrade

Apply R12 AD Minipack

Apply “High Priority” patches (Subledger Accounting, E-Biz Tax)

Enable PL/SQL native compilation

Apply R12 upgrade patch driver (u4440000.drv)

Use RapidWiz to configure and start the R12 upgraded instance

Apply Release Update patch

Apply on-line help




R12 Release Update Packs

RUPs will be released on a predefined schedule The RUP delivery schedule is synchronized with the CPU release

schedule and contains the Application’s CPU updates

Currently a quarterly schedule

Oracle has met each of their target dates through RUP4




E-Business Suite Diagnostics

The Support Diagnostics are a free set of tools from Oracle Support that help gather and

analyze information from your Apps environment for an existing issue or setup.

The Diagnostics perform non-invasive queries against your environment and provide

formatted reports displaying the information gathered, the findings of the analysis and

appropriate actions to take, if necessary.

Used more extensively in SR resolution with R12

Include in R12 Release Update Packs

Diagnostic Categories

Setup Diagnostic Tests: designed to assist in resolving product setup issues

Activity Diagnostic Tests: gather information about data and configuration relevant to a

particular functionality / issue, examine that information, provide feedback, and suggest

appropriate actions Data Collection Tests: gather information relevant to a particular product / functionality / issue

Functional Categories Tests: typically align with the product menu structure and include both

activity and data collection tests


20080229 - r12 upgrade lessons learned

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