For asset management companies, reliable data replication is critical to keeping financial reporting and business processes running smoothly. When replication infrastructure itself becomes a potential point of failure, even a hardware, network, or maintenance-related issue can disrupt downstream systems and business operations.
A leading asset management company faced exactly this challenge with its Oracle GoldenGate for PostgreSQL environment. Its existing single-instance architecture created dependencies on one server and local storage, leaving the replication environment vulnerable to infrastructure failures and planned maintenance.
The organization partnered with Clover Infotech to transform this environment into a highly available, resilient architecture without disrupting daily business operations.
The Challenge: When Data Replication Has a Single Point of Failure
The existing Oracle GoldenGate environment was hosted on a single instance. While functional, this architecture introduced several operational risks.
A hardware, operating system, or power failure could bring down the GoldenGate server and interrupt real-time data streaming to downstream systems. Routine maintenance activities such as patching also required the server to be taken offline, resulting in interruptions to the replication stream.
The environment was also exposed to storage-related risks. Critical GoldenGate components including configuration, checkpoint, and trail files were dependent on local storage. Any disk or file-system failure could potentially cause GoldenGate processes to abort.
For an organization dependent on timely and reliable financial data, the need was clear: a more resilient architecture that could support continuous replication and enable failover when infrastructure issues occurred.
The Transformation: From Standalone to Highly Available
Clover Infotech architected and executed the migration from the standalone Oracle GoldenGate for PostgreSQL environment to a two-node, active-passive high-availability cluster.
At the heart of the solution was Oracle ACFS (Advanced Cluster File System), supported by Oracle ASM, creating a shared storage layer accessible by both cluster nodes. This removed the dependency on a single server and enabled the GoldenGate environment to operate within a resilient clustered architecture.
The transformation included five key components:
- Two-Node High-Availability Architecture
A two-node active-passive cluster was designed to eliminate the single-server dependency and support continuous data streaming.
- Shared Storage with Oracle ACFS and ASM
An Oracle ACFS mount point powered by Oracle ASM provided unified shared storage accessible from both nodes, reducing dependency on local storage.
- Migration of the Existing GoldenGate Environment
The existing standalone Oracle GoldenGate for PostgreSQL setup was migrated into the new multi-node architecture while preserving the existing environment and its replication capabilities.
- Rigorous Failover Testing
Failover scenarios were tested to validate seamless node transition and continuous data availability during simulated server outages. The testing also validated zero data loss during the simulated failures.
- Zero-Downtime Migration
The migration was planned and executed using a zero-downtime approach, ensuring that daily business processing and financial reporting workflows were not disrupted.
The Outcome: Resilience Built into the Data Replication Layer
The transformation established a highly available Oracle GoldenGate environment, strengthening the resilience of critical data replication and financial operations while reducing dependency on a single server.
The key outcomes included:
- Elimination of Single Points of Failure: The two-node architecture improved infrastructure availability and resilience.
- Reduced Maintenance Disruption: The highly available architecture enabled maintenance activities to be performed with minimal disruption to operations.
- Secure and Scalable Shared Infrastructure: Oracle ACFS and Oracle ASM provided the shared infrastructure foundation for the clustered GoldenGate environment.
- Greater Resilience Against Infrastructure Failures: Moving away from standalone server and local-storage dependencies improved resilience against network and disk-related failures.
- Improved Recovery Readiness: Failover testing validated the environment’s ability to transition during simulated server outages, helping optimize recovery time objectives.
Beyond High Availability: Building Confidence into Critical Data Operations
High availability is more than adding a second server. It is about ensuring that critical business processes can continue even when infrastructure encounters unexpected failures.
For this leading asset management company, the transformation moved Oracle GoldenGate from a single-instance architecture with inherent dependencies to a resilient, clustered foundation designed for continuous data replication.
By combining Oracle GoldenGate, Oracle ACFS, and Oracle ASM with a carefully planned migration and validated failover approach, the organization strengthened the availability and resilience of the data infrastructure supporting its financial operations.
The result: A more resilient Oracle GoldenGate environment designed to keep critical data flowing when the business needs it most.
To replicate such success for your business, write to us at marketing@cloverinfotech.com
