How-to: configure Server! HA instances

Note: this article refers to Server! v3.x; As of Server! v4.0 support for high-availability (HA) has become even better; you can read more about v4.0 HA features here.

One of the main new features in Server! v3.0 is the ability to run in high availability (HA) configurations.

A highly available configuration is a deployment in which 2 or more servers share the same storage and configuration/user database. A network balancer is then used to decide whether to operate such servers in an active/active mode (where all nodes accept incoming client connections simultaneously) or in an active/passive mode (where some nodes accept client connections, and some other nodes kick in to substitute one of the active nodes that has stopped working).

This article explains how to configure Server! (with HA licenses) in order to operate in a highly available configuration. Please, read on… Continue reading