Compaq StorageWorks HSG60 ACS Solution Software V8.6 for Compaq Tru64 UNIX Installation and Configuration Guide

Glossary–5
EIA The abbreviation for Electronic Industries Association. EIA is a standards
organization specializing in the electrical and functional characteristics of
interface equipment.
EMU Environmental monitoring unit. A unit that provides increased protection
against catastrophic failures. Some subsystem enclosures include an EMU
which works with the controller to detect conditions such as failed power
supplies, failed blowers, elevated temperatures, and external air sense faults.
The EMU also controls certain cabinet hardware including DOC chips,
alarms, and fan speeds.
ESD Electrostatic discharge. The discharge of potentially harmful static electrical
voltage as a result of improper grounding.
extended
subsystem
A subsystem in which two cabinets are connected to the primary cabinet.
external cache
battery
See ECB.
F_Port A port in a fabric where an N_Port or NL_Port may attach.
fabric A group of interconnections between ports that includes a fabric element.
failedset A group of failed mirrorset or RAIDset devices automatically created by the
controller.
failover The process that takes place when one controller in a dual-redundant
configuration assumes the workload of a failed companion controller. Failover
continues until the failed controller is repaired or replaced.
FC–AL The Fibre Channel Arbitrated Loop standard. See Fibre Channel.
FC–ATM ATM AAL5 over Fibre Channel
FC–FG Fibre Channel Fabric Generic Requirements
FG–FP Fibre Channel Framing Protocol (HIPPI on FC)
FC-GS-1 Fibre Channel Generic Services-1
FC–GS-2 Fibre Channel Generic Services-2
FC–IG Fibre Channel Implementation Guide
FC–LE Fibre Channel Link Encapsulation (ISO 8802.2)