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Glossary
g–11
hardware log
Record of FRU insertions and removals in the Director.
hardware management console
The console runs the Hardware Management Console application (HWMCA), and is the
operations and management PC platform for 2/Series servers.
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 Compaq 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.
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