Volume Shadowing for OpenVMS

This document covers the implementation, configuration, and management of Volume Shadowing for OpenVMS, which provides RAID 1 disk mirroring to ensure high data availability. It details the setup of shadow sets, including system disks and cluster-wide configurations, and explains critical system parameters and DCL commands for creating, mounting, and managing shadow sets. Additionally, the manual describes how to ensure data consistency through copy and merge operations, how to utilize the minicopy feature for efficient backups on Alpha systems, and provides troubleshooting and performance management guidelines.