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RDS Instance Secondary Zone Required

ID: rule:aliyun:rds-instance-secondary-zone-required
Severity: high
IaC Types: ROS

Description​

RDS high-availability deployments should place the secondary instance in another zone.

Reason for Violation​

The RDS instance does not specify ZoneIdSlave1.

Recommendation​

Configure ZoneIdSlave1 for cross-zone high availability.

Resource Types​

  • ALIYUN::RDS::DBInstance