HP 316095-B21 - StorageWorks Edge Switch 2/24 User Manual page 154

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Glossary
loop initialization primitive
LIP. In an arbitrated loop device, a process by which devices connected to hub ports (H_Ports)
on the arbitrated loop device notify other devices and the switch of the presence in the loop by
sending LIP sequences and subsequent frames through the loop. This process allows linked
arbitrated loop devices to perform fabric loop port (FL_Port) arbitration as they link through
hub ports.
loop master
In an arbitrated loop device, a reference to the loop master World Wide Name (WWN) field in
the Loop view, the loop master is the arbitrated loop device that is responsible for allocating
arbitrated loop physical addresses (AL-PAs) on the loop. An arbitrated loop device becomes
the loop master through arbitration when there are multiple arbitrated loop devices on the loop.
The arbitrated loop device with the lowest WWN becomes the loop master.
loop port
L_Port. Synonym for
hub
port.
loop switches
Loop switches support node loop port (NL_Port) Fibre Channel protocols. Switches sold as
loop support but upgradeable to fabric switches recounted as loop switches.
L_Port
Loop port. Synonym for
hub
port.
LUN
See
logical unit
number.
maintenance port
Connector on the Director or Switch where a PC running an American National Standard
Code for Information Interchange (ASCII) terminal emulator can be attached or dial-up
connection made for specialized maintenance support.
managed product
Hardware product that can be managed with the HAFM Product Manager application. HP
Directors and Switches are managed products. See also device(device).
management information base
MIB. Related set of software objects (variables) containing information about a managed
device and accessed via simple network management protocol (SNMP) from a network
management station.
management session
A session that exists when a user logs on to the HAFM application. HAFM can support
multiple concurrent management sessions. The user must specify the network address of the
HAFM application's server at logon time.
Glossary–24
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