PAS-C01 Design of SAP Workloads on AWS Practice Question
A company has deployed SAP S/4HANA on AWS using a single EC2 instance for the HANA database and multiple EC2 instances for the application servers. The system is in production and the company wants to implement high availability for the HANA database to minimize downtime during patching and failures. The HANA database is critical and must have an RTO of less than 5 minutes and an RPO of zero. The current setup uses a single EBS volume for /hana/data and another for /hana/log. The company has two Availability Zones available. Which solution meets the requirements?
⚠ Common exam trap
It's easy for candidates to confuse EBS Multi-Attach with a cross-AZ solution, but Multi-Attach is strictly single-AZ and cannot provide the required cross-AZ high availability for SAP HANA.
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
✓
Configure SAP HANA System Replication with automatic failover to a secondary HANA instance in another AZ.
SAP HANA System Replication (HSR) with automatic failover meets the RTO < 5 minutes and RPO = 0 requirements by synchronously replicating data to a secondary HANA instance in another Availability Zone. Automatic failover ensures the secondary takes over without manual intervention, minimizing downtime during patching or failures. This is the only option that provides synchronous replication with zero data loss and fast failover across AZs.
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 SAP HANA System Replication with automatic failover to a secondary HANA instance in another AZ.
Why this is correct
Synchronous replication provides zero RPO and fast failover.
- ✗
Attach the EBS volumes to two EC2 instances using EBS Multi-Attach.
Why it's wrong here
Multi-Attach does not support cross-AZ.
- ✗
Use AWS Backup to schedule snapshots every 5 minutes and restore in another AZ if needed.
Why it's wrong here
Restore time exceeds 5 minutes; RPO >0.
- ✗
Deploy the HANA database on a larger EC2 instance with higher availability SLA.
Why it's wrong here
Instance SLA does not guarantee HA.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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