Multi-AZ deployment for Amazon RDS Custom for Oracle
Database Blog
This article discusses the new Multi-AZ deployment feature for Amazon RDS Custom for Oracle, which enhances database high availability and disaster recovery.
- Provides synchronous replication between primary and standby instances in different Availability Zones
- Offers zero Recovery Point Objective (RPO) with automatic failover
- Requires custom engine version (CEV) created after June 30, 2025
- Supports both Standard Edition 2 and Enterprise Edition
- Involves specific prerequisites like IAM roles, network setup, and VPC endpoints
Key features include synchronized storage replication, automatic failover within 60-120 seconds, and specialized handling of scaling, patching, and OS configuration maintenance. The solution provides enhanced database resilience while maintaining customization flexibility.
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