This guide walks through identifying master and replica pods, performing graceful switchover, triggering automated failover, and reinitializing replicas in a StackGres 1.6 cluster using kubectl and patronictl commands, with practical notes and safety warnings.
This guide explains how to replace the traditional MHA/Keepalived high‑availability setup with MariaDB MaxScale integrated with Consul, providing a simpler, fully automated HA solution, complete with configuration files, installation commands, and detailed failover, switchover, and rejoin procedures.
This article walks through semi‑automated Oracle Data Guard deployment, when and how to use DG Broker, practical failover, switchover and archive‑recovery scenarios, Oracle 12c enhancements like Far Sync and VALIDATE, a real‑world standby query failure case, and using Data Guard for database migration.
This article provides a detailed, hands‑on walkthrough of Oracle Data Guard switchover in normal operation and the subsequent steps to convert the original primary to a standby, including all necessary SQL commands, instance restarts, and verification queries.
