Service and Support
Oracle Data Guard receives mixed feedback on customer service and support. Users praise the responsiveness and knowledge of higher-level support, particularly from regions such as the US, Canada, and Europe. Some express frustration with slow response times and basic initial support levels. There are communication challenges with support from certain regions. Access to support is seen as crucial, especially for critical issues. Some appreciate the community guides, while others find Oracle documentation lacking clarity.
Deployment
Initial setup of Oracle Data Guard varies in complexity. Some find it straightforward, manageable within hours, while others encounter significant challenges needing days or weeks. Familiarity with OS, network, and Oracle concepts eases the process. Typically requiring two to three experts, deployment time depends on database size, network bandwidth, and configuration steps. Issues often arise from connectivity between standby and production databases or storage and network discrepancies.
Scalability
Oracle Data Guard is highly scalable, with capabilities to cluster with Oracle RAC, support for Active Data Guard, and seamless database replication. Users have reported smooth and efficient performance with large numbers of users and replicas. Scalability has significantly improved since version twelve, enabling configuration of multiple standby systems. Many organizations, particularly enterprise-level, utilize it extensively, reflecting its reliability and stability. Rated frequently as nine or ten out of ten.
Stability
Oracle Data Guard is widely regarded as stable. Users have noted its reliability, with many experiencing no bugs, crashes, or significant issues. Daily checks and proper OS management are essential. Though typically stable, some users faced challenges with major upgrades and performance monitoring for large databases. Security and administration ease are highlighted. Stability ratings frequently range from nine to ten out of ten.
