PAS-C01 Migration Practice Question
A company is migrating an SAP Business Warehouse (BW) system running on an on-premises HANA database to AWS. The migration must be completed with less than 1 hour of downtime. The source database is 3 TB. The company has established a 10 Gbps AWS Direct Connect connection. The SAP system uses a custom ABAP program that must be migrated as well. The company wants to minimize manual intervention. Which approach should be taken?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Set up SAP HANA System Replication (HSR) to replicate the database to AWS, then perform a takeover.
The correct approach is to use SAP HANA System Replication (HSR) to set up continuous replication from the on-premises HANA database to an SAP HANA database running on Amazon EC2. Once the systems are synchronized, a takeover can be performed with minimal downtime (seconds), meeting the <1 hour requirement. AWS DMS does not support SAP HANA as a source for ongoing replication without schema conversion, and Amazon RDS for HANA is not a supported target. Exporting and importing the database would require significant downtime due to the 3 TB data transfer and import time. AWS Application Migration Service (MGN) replicates the entire server, but for an SAP HANA database, HSR is a more appropriate and optimized method for database migration with minimal downtime.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use AWS DMS to replicate the HANA database to Amazon RDS for HANA.
Why it's wrong here
RDS for HANA does not exist; DMS for HANA to HANA is possible but not with ongoing replication for large databases.
- ✓
Set up SAP HANA System Replication (HSR) to replicate the database to AWS, then perform a takeover.
Why this is correct
HSR provides synchronous replication with minimal downtime.
- ✗
Export the HANA database to files, transfer via Direct Connect, and import on EC2.
Why it's wrong here
Export/import requires significant downtime.
- ✗
Use AWS Application Migration Service (MGN) to replicate the entire server.
Why it's wrong here
MGN replicates the server, but database consistency requires additional steps.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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