DIGITAL StorageWorks HSG80 Array Controller

This document is the official user guide for the DIGITAL StorageWorks HSG80 Array Controller (ACS Version 8.0). It covers:

• General Description: Overview of the HSG80 subsystem, its components (controller, cache module, external cache battery), and caching techniques.
• Configuration: Detailed procedures for setting up the controller, creating storagesets (RAIDsets, mirrorsets, stripesets), and partitioning storage.
• Troubleshooting: Maintenance features, status indicators (LEDs), event codes, and procedures for using utilities like FMU, VTDPY, and DILX.
• Replacement Procedures: Steps for removing and replacing controllers, cache modules, batteries, and GLMs in both single and dual-redundant configurations.
• Upgrading: Procedures for updating controller firmware, software patches, and upgrading to dual-redundant configurations.
• Reference: Extensive CLI command definitions and specifications for error and event codes.