Q-Logic 3200, 8200 Glossary, adapter port beacon, alias, Basic input output system BIOS

Glossary

adapter

The board that interfaces between the host system and the target devices. Adapter is synonymous with host bus adapter, host channel adapter (HCA), host adapter, and adapter board.

adapter port

A port on the adapter board.

adapter port beacon

An LED on the adapter. Flashing it enables you to locate the adapter.

alias

Auser-defined name for an adapter, adapter port, logical disk, or subsystem.

Basic input output system (BIOS)

The program (or utility) that serves as an interface between the hardware and the operating system and allows booting from the adapter at startup.

boot device

The device, usually a the hard disk, that contains the operating system the BIOS uses to boot from when the computer is started.

boot from SAN

The ability for each server on a network to boot their operating system from a Fibre Channel RAID unit located on the SAN, rather than from a local disk or direct-attached storage (DAS). This enables easier SAN management because you can replace a server and boot it from the Fibre Channel RAID unit.

challenge-handshake authentication protocol (CHAP)

CHAP is used for remote logon, usually between a client and server or a Web browser and Web server. A challenge/response is a security mecha- nism for verifying the identity of a person or process without revealing a secret password that is shared by the two entities. Also referred to as a” three-way handshake.”

Converged Network Adapter

QLogic Converged Network Adapters support both data networking (TCP/IP) and storage networking (Fibre Channel) traffic on a single I/O adapter using two new technologies: Enhanced Ethernet and Fibre Channel over Ethernet.

cyclic redundancy check (CRC)

A type of check value designed to catch most transmission errors.

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