High Availability Archives

Native MySQL High Availability: A Practical Guide to InnoDB Cluster and Router

June 4, 2026

Ditch the complex third-party HA tools. This guide shows you how to deploy a native MySQL InnoDB Cluster with MySQL Router for automated failover and zero data loss.

HomeLab

Building a 3-Node Proxmox HA Cluster: The $300 Intel N100 Powerhouse

May 26, 2026

Build a silent, low-power, 3-node High Availability cluster using Intel N100 Mini PCs. This guide shows you how to get enterprise-grade Proxmox features for under $300.

Networking

Speed and Stability: Configuring MultiPath TCP (MPTCP) on Linux

May 24, 2026

Combine multiple network links for double the speed and 100% uptime. This guide shows you how to configure MultiPath TCP (MPTCP) on modern Linux systems using native kernel tools.

Networking

Anycast on Linux: Deploying BGP with FRRouting for Sub-Second Failover

May 14, 2026

Anycast isn't just for CDNs. Learn how to use BGP and FRRouting on Linux to achieve sub-second failover and ultra-low latency for your critical DNS and Web services.

Linux

Scalable Storage with GlusterFS: Building Fault-Tolerant Clusters on Linux

May 8, 2026

Tired of NFS single points of failure? This guide shows you how to build a resilient, 3-node GlusterFS cluster on Linux to ensure your data stays online even when hardware fails.

HomeLab

Ceph on Proxmox: A 6-Month Field Report from a High-Availability HomeLab

May 7, 2026

Is Ceph worth the hype? After 6 months of production testing on Proxmox, here is the honest truth about distributed storage, 10Gbe requirements, and achieving 100% uptime.

Database

Apache Cassandra Deployment Guide: NoSQL for High Availability and Write-Heavy Workloads

May 1, 2026

Apache Cassandra is the go-to database when you need to handle massive write throughput without a single point of failure. This guide walks through deploying a 3-node cluster, designing tables around your query patterns, and tuning Cassandra for real production workloads.

Database

Redis Sentinel vs. Redis Cluster: Surviving Production Failures

May 1, 2026

Is your Redis setup ready for a crash? Learn the practical differences between Redis Sentinel for high availability and Redis Cluster for horizontal scaling, including real-world configuration steps.

Database

MySQL High Availability: A Hands-On Guide to Galera Multi-Master Clusters

April 21, 2026

Build a resilient database backend using MariaDB Galera Cluster. This guide covers synchronous multi-master setup, quorum logic, and performance tuning for production environments.

Networking

Keepalived & VRRP: Build a Floating IP for High Availability on Linux

April 9, 2026

Keepalived implements VRRP on Linux to give your servers a shared floating IP address. When the primary node fails, the standby automatically claims the VIP in seconds. This step-by-step guide covers installation, configuration, health check scripts, and failover testing on Ubuntu/Debian.