DSSI VMScluster

This document is a technical guide for system administrators regarding the setup and maintenance of DSSI VMScluster configurations. It covers:

• Configuration: Details for AXP-only, VAX-only, and dual-architecture systems, including node requirements and bus limits.
• Installation: Step-by-step hardware and parameter configuration, including bus node ID setup for various host adapters (KFESA, DEC 4000, KFMSB, HSD05, HSD30).
• Parameter Management: Procedures for setting device parameters such as ALLCLASS, UNITNUM, and NODENAME using the console cdp command or the DUP server utility.
• Troubleshooting: Diagnostic procedures for common hardware issues like missing terminators, cabling problems, and incorrect node ID settings.
• Appendices: Technical references for electrical lengths of DSSI interconnects and storage device parameter details.