A company runs a critical Azure SQL Database in the West US region. To meet a Recovery Point Objective (RPO) of 5 seconds and a Recovery Time Objective (RTO) of 30 seconds during a regional outage, which deployment option should be used?
Trap 1: Use an Auto-Failover Group with a secondary in West US 2
Auto-failover groups have RTO of about 1 hour.
Trap 2: Enable geo-zone-redundant backup storage and perform point-in-time…
Restore from backup takes hours, not seconds.
Trap 3: Configure Active Geo-Replication with a readable secondary in East…
Geo-replication has RTO of minutes, not seconds.
- A
Use an Auto-Failover Group with a secondary in West US 2
Why wrong: Auto-failover groups have RTO of about 1 hour.
- B
Deploy the database in the Business Critical tier with zone-redundant configuration in West US
Zone-redundant Business Critical provides fast failover within seconds and RPO of 5 seconds.
- C
Enable geo-zone-redundant backup storage and perform point-in-time restore
Why wrong: Restore from backup takes hours, not seconds.
- D
Configure Active Geo-Replication with a readable secondary in East US
Why wrong: Geo-replication has RTO of minutes, not seconds.