You are using a single Cloud SQL instance to serve your application from a specific zone. You want to introduce high availability. What should you do?

The correct answer is D. Create a failover replica instance in the same region, but in a different zone. The HA configuration consist of primary instance (in primary zone) and failover replicate in https://cloud.google.com/sql/docs/mysql/high-availability

Submitted by carlos_mx· Mar 30, 2026Ensuring solution and operations reliability

Question

You are using a single Cloud SQL instance to serve your application from a specific zone. You want to introduce high availability. What should you do?

Options

ACreate a read replica instance in a different region
BCreate a failover replica instance in a different region
CCreate a read replica instance in the same region, but in a different zone
DCreate a failover replica instance in the same region, but in a different zone

How the community answered

(29 responses)

A
3% (1)
B
3% (1)
C
7% (2)
D
86% (25)

Explanation

The HA configuration consist of primary instance (in primary zone) and failover replicate in https://cloud.google.com/sql/docs/mysql/high-availability

Topics

#Cloud SQL#high availability#failover replica#zone redundancy

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