HP MPIO Installation And Reference Manual page 52

port A The relative number of an HBA. A specific port number is determined according
to its order of discovery by the Windows operating system. HBA's include SCSI,
Fibre Channel, and IDE adapter types.
SAN Storage Area Network. A configuration of networked devices for storage.
state An attribute that describes the current operational condition of an object. The
possible states include:
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•
target The definition of target depends on the environment:
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•
•
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topology An interconnection scheme that allows multiple servers and storage devices
to communicate. Arbitrated loop and switched fabric are examples of Fibre
Channel topologies.
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Glossary
Good: The multipathing device can be accessed on at least one path.
Degraded: One or more paths are failed to the storage unit.
For parallel SCSI configurations, the target is the actual target number
assigned to a device.
For Fibre Channel configurations, a target number is assigned by a mapping
function at the miniport-driver level and is derived from AL_PA (Arbitrated
Loop Physical Addresses) in an FC-AL topology.
For SAN switched fabric, a target is assigned to a WWPN. This target can
have values between 16 and 125.
For a fabric topology, target is a mapping function derived from the order
of discovery according to port connections at the SAN (Storage Area
Network) switch.