Why do a cutover rehearsal?
Cutover Rehearsal validates our readiness to successfully execute our Cutover Strategy
Why do a cutover rehearsal?
Confirms all the tasks in the Cutover Plan contains all the steps required to successfully start up the new solution
Why do a cutover rehearsal?
Identify specific issues and risks to the Cutover
Why do a cutover rehearsal?
Verify timings to execute data conversion & cutover activities
What does cutover entail?
Entails planning, managing and executing ALL tasks and activities that allow
the successful transition from the existing
solution to the new solution.
Cutover components: Business Cutover
master data freeze
dual data maintenance
ramp down
final execution of transactions in legacy
Cutover components: Technical Cutover
SAP
infrastructure setup
transports
data conversion
security
What is mock load?
the replication of the planned production activities to ensure the final load to production can be executed accurately and within
the planned timeframe
Mock Conversion Cycles: Mock Conversion 0
Conversion technical testing
Mock Conversion Cycles: Mock Conversion 1
Extended data set & program increments complete
Mock Conversion Cycles: Mock Conversion 2
data readiness progess
Mock Conversion Cycles: cutover rehearsal
final test
Mock Conversion Cycles: Production Load
project closure documents and sign-off
The data migrated in each Mock Conversion test will be used for what?
Functional testing (SIT, UAT)
ETL
Extract, Transform, and Load
What happens during Mock?
Extract, Validate, Load
What are the two processes that happen during extract?
freeze design and extract
What is freeze design
Rules are frozen and future changes are applied to the upcoming mocks
what is extract?
data is extracted from source system and in case it is not available data is constructed by business team as per mapping documents
what are the two processes during validate/transform?
pre process and pre-load validation
what happens during pre process?
conversion transformation takes place
rules and logic are applied to create SAP-ready data
what happens in pre-load validation?
IT and Functional teams validate the data prior to the load
what are the two processes that take place during the Load?
Load and post-load validation
what happens during Load?
data conversion team loads data to the SAP target application