As part of setting up the Computing Center Management System (CCMS), the system administrators are trained and the network administration, backup, archiving, and capacity monitoring systems are prepared and tested. Some of the tasks involved here are configuring the printing facilities, conducting system volume and stress tests and conducting a going-live check.
Furthermore, R/3 logon groups are now set up, enabling you to provide application servers with improved response time for particularly important work groups using time-sensitive transactions.
Operation modes (resource configurations for each instance of the R/3 System) now need to be defined, with the times that the services are available. Alert monitors and backup schedules are set up. Productive system printing procedures and spool administration procedures are defined according to the Systems Operations Manual set up in the Blueprint Phase. Finally, the R/3 job scheduling system needs to be configured, as well as alert monitors and backup schedules defined.
Also in Phase 4, the system administration staff needs to be trained in a workshop session. Topics include troubleshooting, tape management, and user management, as well as escalation procedures.
In Phase 4 you simulate the productive operation of your R/3 System, a step of great importance. The test plan contains all the most important situations that arise in the normal course of business:
- Testing conversion procedures and programs
- Testing interface programs
- Conducting volume and stress testing
- Conducting final user acceptance testing
- Developing a final go-live strategy
The test situations are selected on the basis of importance and frequency of expected use. Printers and other output devices are also included in the tests, in order to, for example, check print volumes or print layouts in printed invoices or purchase orders. End users are included in the planning and execution of the tests.
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