2.1 Prerequisites

This topic discusses the prerequisites for upgrading Oracle FLEXCUBE Investor Servicing from a lower version to higher version.

Following are the prerequisites for the upgrade activity:

1. Prepare a copy of the production system covering all components of the product for mock upgrade.
2. Set up the Oracle DB parameters as per the FCIS recommendations for the destination schema.
   It is ideal to follow the steps of installation of a new version.
3. Identify and list out the installed components of the production system.
4. List out new components available in the new version that the customer proposes to use.
5. Identify and list out the details missed out in the new version. Internally discuss and suggest the actions proposed to address them.
6. Update the customer about the proposed plan and get the customer’s concurrence.
7. Following are the other interfacing teams to be involved in discussions for qualification:
   1. For qualifying with the new version: Address all changes required for qualification with the new version.
   2. For qualifying with the existing interfacing system: Identify and address the new interfacing requirements for the interfacing system to remain intact.
8. You need to understand the database upgrade strategy proposed below:
   1. Identify and document the migration steps that are planned.
   2. Set up the utilities for data comparison and data migration, if any, in the migration area.
   3. Identify and document the verification strategy.
   4. Prepare the staging area for both source schema and target schema (staging area for source schema is required only if the strategy followed mandates it; otherwise it is not required).
   5. Identify the conversion scripts to be applied post-upgrade.
9. Prepare a plan with timeline considering all changes required for a smooth upgrade.