HP 316095-B21 - StorageWorks Edge Switch 2/24 User Manual page 177

Glossary
hexadecimal
A number system with a base of 16.
high availability
A performance feature characterized by hardware component redundancy and
hot-swappability (enabling non-disruptive maintenance). High-availability systems maximize
system uptime while providing superior reliability, availability, and serviceability.
hop
Data transfer from one node to another node.
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.
edge switch 2/24 product manager user guide Glossary–11