HP StorageWorks Fabric OS 5.X Master Glossary (AA-RW7NA-TE, September 2005)

header The portion of a Fibre Channel fra me that contains control and addressing

information associated with the frame.

HiPPI High-Performance Pa rallel Inter face. An 800 Mb ps interface normally used in

supercomputer environments.

hop count ThenumberofISLsaframemusttraversetogetfromitssourcetoitsdestination.

host A computer system that provides end users with ser vices, such as computation

and storage access.

hot swappable Description of a replacement unit that ca n be substituted for a defective unit

while the subsystem is running (perform ing its normal function).

HSSDC High-speed serial data connection. A form factor that allows quick connections

forcopperinterface.

HSSDC-2 A second-generation HSSDC connector.

See also HSSDC.

HTTP Hypertext T ransfer Protocol. The standard T CP/IP transfer protocol used on

the World Wide Web.

hub A Fibre Channel wiring concentrator that collapses a loop topology into a

physical star topology. Nodes are automatically added to the loop when they

are active and removed when they are inactive.

hunt group A number of N_Ports registered as a single Alias_ID so that the fabric can

routeawordtoaportthatisnotbusy.

I2C Inter-integrated circuit. A type of bus used to connect integrated circuits (ICs).

ICT Intracircuit test.

Idle Continuous transmission of an ordere d set over a Fibre Channel link when no

data is being transmitted in order to keep the link active and maintain bit,

byte, and word synchronization.

ID_ID Insistent domain ID. A parameter of the configure command in Fabric OS.

iFCP Internet Fibre Channel Protocol. A protocol that supports Fibre Channel Layer 4

FCP-Over-TCP/IP. It is a gateway-to-gateway protocol in which TCP/IP switching

and routing components enhance/replace Fibre Channel fabric.

iFCS IP storage fabric conﬁguration server.

IFL Interfabric link. A connection between a router and an e dge fabric.

Architecturally, such connections can b e of type EX_Port-to-E_Port or

EX_Port-to-EX_ Port.

in-band Transmission of m anagement p rotocol over the Fibre Channel.

initiator A server or workstation on a Fibre Channel network that initiates communications

with storage devices.