director 2/64 installation guide

director 2/64 installation guide Glossary–9
Glossary
HAFM
See also HA-Fiber Manager.
HBA
See host bus adapter.
high availability
A performance feature characterized by hardware component redundancy (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.
homogeneous fabric
A fabric consisting of only Hewlett-Packard products.
hop count
The number of hops a unit of information traverses in a fabric.
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 director through a 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 all installed CTP2 cards on the director. It does not
affect other hardware. It is initiated by pushing the white button on a director’s CTP2 card.