WWIDMGR Users' Manual

The WWIDMGR Users' Manual provides comprehensive instructions for using the wwidmgr command, which allows users to define and manage alias names for Fibre Channel devices. This management is necessary because Fibre Channel devices possess long World Wide Identifiers (WWIDs) that are not natively supported as standard console device names.

Key Features:

• Device Identification: Enables mapping of WWIDs to user-defined aliases (UDIDs or menu item numbers) for easier access during system booting and dumping.
• Topology Management: Provides tools to examine Fibre Channel fabric topology, check port accessibility, and set adapter modes (FABRIC vs. LOOP).
• Environment Variables: Explains how wwidmgr stores association data in non-volatile memory and handles environment variables (wwid<n>, N<n>).
• Advanced Commands: Covers features like -show wwid, -show port, -show reachability, and methods for selectively setting up devices that do not share common paths (using -set port and -set wwid).
• Booting Support: Detailed sections on using FFAUTO and FFNEXT environment variables to force "not connected" devices into a "connected" state for booting purposes.