HP 316095-B21 - StorageWorks Edge Switch 2/24 Manuale - Pagina 7

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Glossary

channel wrap test

A diagnostic procedure that checks S/390 host-to-director connectivity by returning the output

of the host as input. The test is host-initiated, and transmits Fibre Channel frames to a director

port. A director port enabled for channel wrapping echoes the frame back to the host.

Class 2 Fibre Channel service

Provides a connectionless (not dedicated) service with notification of delivery or nondelivery

between two N_Ports. In-order delivery of frames is not guaranteed.

Class 3 Fibre Channel service

Provides a connectionless (not dedicated) service without notification of delivery or nondelivery

between two N_Ports. Also known as datagram.

Class F Fibre Channel service

Used by switches to communicate across interswitch links (ISLs) to configure, control, and

coordinate a multiswitch fabric.

class of Fibre Channel service

Defines the level of connection dedication, acknowledgment, and other characteristics of a

connection. Class 2, Class 3, and Class F services are supported.

community name (SNMP)

A name that represents a simple network management protocol (SNMP) community that the

agent software recognizes as a valid source for SNMP requests. A product recognizes a

management station as a valid recipient for trap information when the station's community

names are configured.

community profile

Information that specifies which management objects are available to what management

domain or SNMP community name.

concurrent firmware upgrade

Firmware is upgraded without disrupting switch operation.

concurrent maintenance

Ability to perform maintenance tasks, such as removal or replacement of field-replaceable units

(FRUs), while normal operations continue without interruption. See also

nondisruptive

maintenance.

configuration data

Configuration data includes identification data, port configuration data, operating parameters,

SNMP configuration, and zoning configuration. A configuration backup file is required to

restore configuration data if the control processor (CTP) card in a nonredundant director is

removed and replaced.

Directors and Edge Switches Glossary