edge switch 2/32 product manager user guide

Glossary–12 edge switch 2/32 product manager user guide
Glossary
hop count
ISL connections.
host bus adapter
Logic card that provides a link between the server and storage subsystem, and that integrates
the operating systems and I/O protocols to ensure interoperability.
hot-swapping
Removing and replacing a device’s components while the device continues to operate
normally.
hub
In Fibre Channel, a device that connects nodes into a logical loop by using a physical star
topology.
IML
See initial machine load.
inband management
Management of the Switch through Fibre Channel connection to a port card.
information message
Message telling a user that a function is performing normally or has completed normally. See
also error message and warning message.
initial machine load
Also known as IML. Hardware reset for the CTP card on the Switch. It does not affect other
hardware. It is initiated by pushing the reset (RST) button on the machine’s front panel.
initial program load
Process of initializing the device and causing the operating system to start. Initiated through a
menu in the Product Manager.
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.