PAS-C01 Migration Practice Question
A company is migrating an SAP S/4HANA system to AWS. The migration strategy involves using SAP HANA System Replication (HSR) to replicate the source HANA database to an EC2 instance running HANA. During the final cutover, the replication link breaks and the target database becomes inconsistent. What should the migration team do to recover?
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
✓
Perform a full HSR initial snapshot from the source to the target
When the HSR link breaks and the target becomes inconsistent during cutover, the only reliable recovery method is to perform a full HSR initial snapshot from the source. This completely reinitializes the target database, ensuring consistency. Option A (restart HSR with a delta snapshot) is incorrect because it requires a consistent state to apply changes incrementally, which does not exist. Option C (restore from AWS Backup) is incorrect as it may not reflect the latest data and could cause data loss. Option D (use AWS DMS) is incorrect because AWS DMS does not fully support HANA-to-HANA replication for SAP workloads.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Restart HSR with a delta snapshot from the source
Why it's wrong here
Delta snapshot may not fix inconsistency; a full snapshot is needed.
- ✓
Perform a full HSR initial snapshot from the source to the target
Why this is correct
Full snapshot ensures consistency and can be used to reinitialize replication.
- ✗
Restore the target database from an AWS Backup
Why it's wrong here
Backup may be outdated and cause data loss.
- ✗
Use AWS DMS to replicate remaining changes
Why it's wrong here
DMS is not designed for HANA HSR scenarios.
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