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5 posts
Build reliable Alertmanager HA with direct Prometheus fan-out, a healthy peer mesh, stable alert identity, tested routing, and realistic delivery guarantees.
Design Windows DHCP failover around MCLT and partner states, replicate scope settings safely, and verify lease continuity with observable acceptance tests.
Design Windows Server cluster quorum around real failure domains, understand dynamic voting and witnesses, and rehearse maintenance without risking split brain.
Operate Windows Server NLB with explicit port rules, affinity, switch design, staged convergence, and real client-path health tests.
How to configure modern FreeBSD CARP on two hosts, control election and preemption, test failover, synchronize PF state, and monitor HA.