FOCUS AREAS

Hot Topics

Related Links

Validation

Migration

Running Source and Target in Parallel

If validation is of highest concern, you might dedicate a substantial period of time for testing the target installation. This requires you to run the source installation and the target installation in parallel during validation.

See the installation setup step in the Best Practices Migration with PROC MIGRATE, where you are advised to set up the target SAS installation in an isolated environment from the source installation. You maintain data and programs in both the source and target environments while you validate that the target installation is running correctly and that the data migration is successful. This is a best practice for many reasons, and it's the most reliable way to provide validation. Customers have reported as many as four or five separate environments:

Consider the following issues: