PAS-C01 Design of SAP Workloads on AWS Practice Question
A company runs SAP HANA on AWS and wants to implement a disaster recovery (DR) strategy with a recovery point objective (RPO) of 15 minutes and a recovery time objective (RTO) of 2 hours. Which solution meets these requirements?
⚠ Common exam trap
Many candidates assume HANA System Replication (HSR) is the only valid DR method for SAP HANA on AWS, overlooking that AWS DRS provides a simpler, fully automated solution that meets strict RPO/RTO without requiring HANA-level replication or manual scaling.
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
✓
Use AWS Elastic Disaster Recovery (DRS) to replicate the HANA server to the DR region.
AWS Elastic Disaster Recovery (DRS) provides continuous block-level replication of the entire SAP HANA server, including OS, application, and data volumes, with sub-minute RPO and RTO of minutes to hours. This meets the 15-minute RPO and 2-hour RTO requirements by enabling rapid failover to a fully provisioned instance in the DR region without manual scaling or data loss from periodic snapshots.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Configure HANA System Replication (HSR) to a small instance in the DR region and scale up on failover.
Why it's wrong here
HSR has low RPO but scaling up takes more than 2 hours RTO.
- ✗
Take daily EBS snapshots of the HANA data volumes and copy them to the DR region.
Why it's wrong here
Daily snapshots result in RPO of up to 24 hours, not 15 minutes.
- ✗
Use AWS Database Migration Service (DMS) to replicate HANA to an RDS instance in the DR region.
Why it's wrong here
DMS is for migration, not for DR with HANA-specific requirements.
- ✓
Use AWS Elastic Disaster Recovery (DRS) to replicate the HANA server to the DR region.
Why this is correct
DRS provides continuous replication with low RPO.
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