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Glossary
HBA
See host bus adapter.
heterogeneous fabric
A fabric with both HP and non-HP products.
homogeneous fabric
A fabric consisting of only HP products.
hop count
The number of hops a unit of information traverses in a fabric.
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.
edge switch 2/16 product manager user guide
Glossary–11
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