dinsdag 8 juni 2010

DTS migration project.

In my current project we have to migrate a couple of hundreds DTS packages, jobs and other stuff from a SQL server 2000 Cluster to SQL Server 2008 cluster. For certain reasons we decided to take two steps:
  • Phase 1 : migrate DTS packages to a legacy server (SQL Server 2008 with DTS backwards compatibility components)
  • Phase 2 : migrate DTS packages to a new environment with SQL Server 2008 SSIS. A complete rebuild to Integration services.
So we divided the project in the following steps:
- Global analysis current situation.
- Global analysis desired situation Phase 1
- A Proof of concept for learning.
- Per system part
  • Plan
  • Migrate
  • Validate
- Global analysis desired situation Phase 2
- A Proof of concept for learning.
- Per system part
  • Plan
  • Migrate
  • Validate
The system part are parts of processes that have a strong cohesion with the other packages in the systempart and loosely coupled with DTS packages in other system parts. Per system part we created three main steps:
- Plan : In these steps we have to gather information about DTS packages, applications, jobs, linked server, access applications, system owner, etc etc. This information is processed in a migration plan. A DTS/databases and job/database matrix will be used for impact analysis
- Migrate. In this step the migration takes place. The system owner is notified that the software is migrated and the software is copied to a development environment, changed and deployed in the production environment, the system owner accepts the software and the last step will be evaluation of the best practices
- Validate. In this step the production is checked and validated by the system owner, The projectmanager is notified and lessons learned evalution is done.



We hope to start soon with a POC for a lessons learned. I'll blog about this laterss..

Greetz,
Hennie

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