HP StorageWorks HSG80 ACS Solution Software V8.8 for IBM AIX Installation and Configuration Guide (AA-RV1HA-TE, March 2005)

Glossary
248 HSG80 ACS Solution Software V8.8 for IBM AIX Installation and Configuration Guide
partition A logical division of a container, represented to the host as a logical
unit.
PCMCIA Personal Computer Memory Card Industry Association. An
international association formed to promote a common standard for PC
card-based peripherals to be plugged into notebook computers. The
card commonly known as a PCMCIA card is about the size of a credit
card.
PDU Power distribution unit. The power entry device for HP StorageWorks
cabinets. The CDU provides the connections necessary to distribute
power to the cabinet shelves and fans.
peripheral
device
Any unit, distinct from the CPU and physical memory, that can provide
the system with input or accept any output from it. Terminals, printers,
tape drives, and disks are peripheral devices.
pluggable A replacement method that allows the complete system to remain
online during device removal or insertion. The system bus must be
halted, or quiesced, for a brief period of time during the replacement
procedure. See also hot-pluggable.
point-to-point
connection
A network configuration in which a connection is established between
two, and only two, terminal installations. The connection may include
switching facilities.
port (1) In general terms, a logical channel in a communications system. (2)
The hardware and software used to connect a host controller to a
communications bus, such as a SCSI bus or serial bus.
Regarding the controller, the port is (1) the logical route for data in and
out of a controller that can contain one or more channels, all of which
contain the same type of data. (2) The hardware and software that
connects a controller to a SCSI device.
port_name A 64-bit unique identifier assigned to each Fibre Channel port. The
Port_Name is communicated during the login and port discovery
process.
preferred
address
The AL_PA which an NL_Port attempts to acquire first during
initialization.
primary cabinet The primary cabinet is the subsystem enclosure that contains the
controllers, cache modules, external cache batteries, and the PVA
module.