FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors and Edge Switches Glossary (AA-RU5JA-TE, June 2003)

Glossary
15Directors and Edge Switches Glossary
hot-swapping
Removing and replacing a device’s components while the device continues to operate normally.
hub
In Fibre Channel protocol, a device that connects nodes into a logical loop by using a physical
star topology. In an Ethernet system, a device used to connect the HAFM server and the
directors it manages.
IML
See initial machine load.
inband management
Management of the director or switch through a Fibre Channel connection to a port card. See
also out-of-band management.
information message
Software message that indicates to a user that a function is performing normally or has
completed normally. See also error message and warning message.
initial machine load
(IML) — Hardware reset for all installed CTP cards on the director. It does not affect other
hardware. It is initiated by pushing the white button on a director’s CTP card.
initial program load
(IPL) — Process of initializing the device and causing the operating system to start. Initiated
through a menu in the Product Manager, this option performs a hardware reset on the active
CTP only.
initial program load configuration
(IPL configuration) — In S/390 mode, information containing default configurations stored in a
director or switch’s nonvolatile memory. The director or switch loads the file for operation when
powered on.
input/output configuration
The collection of channel paths, control units, and I/O devices that attaches to the S/390 or
zSeries processor.
input/output configuration program
A program that defines all available I/O devices and channel paths to an IBM S/390 or zSeries
processor system. Replaced by the Hardware Configuration Definition Program starting with
MVS/ESA Version 4.0.
interface
Hardware, software, or both hardware and software that link systems, programs, or devices.
internet protocol address
(IP address) — Unique string of numbers (in the format xxx.xxx.xxx.xxx) that identifies a
device on a network.