Architects' Tech Alliance

Nov 16, 2018 · Databases

Understanding DB2 HADR, HACMP, SQL Replication, and Storage DR for High Availability

This article reviews core database high‑availability technologies—including DB2 HADR, SQL and Q replication, HACMP clustering modes, DPF limitations, and storage‑level disaster‑recovery solutions—explaining their mechanisms, suitable scenarios, and practical deployment considerations.