PAS-C01 Technology Practice Question
A company is migrating an SAP HANA database to AWS. Which TWO configurations are required to ensure high availability for the SAP HANA database in a multi-AZ setup?
⚠ Common exam trap
Candidates often confuse network-level load balancers (like ALB) with database-specific failover mechanisms, or assume EBS features like Multi-Attach or replication can substitute for HANA-native replication and cluster management.
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
✓
Deploy SAP HANA System Replication across two Availability Zones.
SAP HANA System Replication (HSR) is the native mechanism for replicating data between primary and secondary HANA instances across Availability Zones, ensuring synchronous or asynchronous data consistency. This is the foundational requirement for high availability in a multi-AZ setup, as it provides real-time data replication to a standby node in a different AZ.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Deploy SAP HANA System Replication across two Availability Zones.
Why this is correct
SAP HANA System Replication replicates data between separate HANA instances in different AZs for high availability.
- ✗
Use a single EBS volume with synchronous replication to both nodes.
Why it's wrong here
EBS volumes cannot be attached to instances in different AZs simultaneously; HANA requires separate storage per node.
- ✗
Configure EBS Multi-Attach to allow both HANA instances to share the same data volume.
Why it's wrong here
EBS Multi-Attach is limited to a single Availability Zone and does not support cross-AZ replication for HANA.
- ✓
Implement a cluster manager such as Pacemaker to orchestrate failover.
Why this is correct
Pacemaker monitors the HANA instances and automates failover in case of a primary node failure.
- ✗
Place an Application Load Balancer in front of the HANA database endpoints.
Why it's wrong here
Load balancers are used for application traffic, not for database replication or failover management.
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