https://ivomarino.com/tags/failover/Recent content in failover on ivomarino.comHugo -- gohugo.ioen-USAll rights reserved - 2026Thu, 23 Apr 2026 00:00:00 +0000https://ivomarino.com/post/gateway-failover-ssh-tunnels/Thu, 23 Apr 2026 00:00:00 +0000https://ivomarino.com/post/gateway-failover-ssh-tunnels/Building reliable automatic gateway failover for critical infrastructure recovery access. How naive health checks broke everything, and why a 30-second stable recovery is better than a 5-second flapping failover.https://ivomarino.com/post/openbsd-carp-k8s-firewall/Wed, 25 Mar 2026 00:00:00 +0000https://ivomarino.com/post/openbsd-carp-k8s-firewall/We run two OpenBSD firewalls in CARP HA mode in front of a private Kubernetes cluster. Sub-second failover, full state sync, and pf rules that load-balance across worker nodes.