Architects' Tech Alliance

Apr 10, 2019 · Databases

Overview of Database High Availability Technologies: HADR, HACMP, Data Replication, Storage DR, and DPF

This article explains the core techniques for achieving high availability in databases—including IBM DB2 HADR, HACMP clustering modes, SQL and Q replication, DPF considerations, and storage‑level disaster recovery—detailing their features, suitable scenarios, and practical deployment advice.