Clustering

Clustering connects multiple servers to work together as a single system for availability and performance.

What is Clustering?

Clustering is the practice of connecting multiple servers (nodes) to work together as a single system, providing high availability, load balancing, or parallel processing capabilities.

Cluster types

Failover cluster (HA), Load balancing cluster, High-performance computing cluster.

Common misconceptions

"Clusters are always complex" — Managed services simplify
"Two nodes are always sufficient" — Split-brain considerations
"Clustering solves all availability issues" — Part of HA strategy