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HP StorageWorks 2.32 SAN Switch User Manual

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Web Tools Version 3.0.x/4.0.x User Guide

Glossary–27

Glossary

R_RDY

Receiver ready. A primitive signal indicating that the port is ready to receive a frame.

RAID

Redundant Array of Independent Disks. A collection of disk drives that appear as a single
volume to the server and are fault tolerant through mirroring or parity checking.

See also JBOD.

Remote Fabric

A fabric that spans across WANs by using protocol translation (a process also known as
tunneling) such as Fibre Channel over ATM or Fibre Channel over IP.

Remote Switch

Bridges two switches into a SAN as large as 3000KM or more through protocol encapsulation
in ATM networks via the Computer Network Technologies (CNT) UltraNet Open Systems
Gateway.

Request Rate

The rate at which requests arrive at a servicing entity.

See also service rate.

RLS Probing

Read link status of the AL_PAs.

Root Account

A login used for debugging purposes by HP engineers and is not intended for customer use.

See also account level switches.

Route

As applies to a fabric, the communication path between two switches. May also apply to the
specific path taken by an individual frame, from source to destination.

See also FSPF.

Routing

The assignment of frames to specific switch ports, according to frame destination.