Upgrade Guide for DB2 UDB for z/OS > How to Perform the Upgrade > Roadmap for Performing the Upgrade >

Roadmap for Upgrading from Siebel Financial Services 6.2.1 and Siebel 7.x

If you are upgrading from Release 6.2.1 of Siebel Financial Services or Release 7.x, complete the processes in this roadmap in the order shown:

1. Process of Planning the Upgrade
2. Process of Upgrading a Development Environment from the Midtier or Process of Upgrading a Development Environment from the Mainframe
3. Process of Upgrading a Production Test Environment
4. Process of Tuning Upgrade Performance
5. Process of Upgrading a Production Environment

For a description of the differences between production and development upgrades, see About Upgrade Environments.

Depending on your business requirements, you can upgrade your development environment from the midtier (midtier-centric approach) or mainframe (mainframe-centric approach). For more information, see About Midtier-Centric and Mainframe-Centric Upgrades.