Galaxy Software Architecture on OpenVMS Alpha

The OpenVMS Galaxy architecture allows customers to manage variable and growing workloads by partitioning a single Alpha computer into multiple, cooperative instances of the OpenVMS Alpha operating system. This allows for dynamic resource reassignment, including CPUs, memory, and I/O. The system provides improved availability, scalability, and flexibility while maintaining compatibility for existing applications. The document details hardware and software requirements, various supported AlphaServer configurations, licensing requirements, and configuration management tools such as the Galaxy Configuration Utility (GCU).