IBM TotalStorage SAN140M, Installation And Service Manual

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SAN140M Installation and Service Manual 362
identified in a SAN when the LUN combines with the WWN of the
storage device’s N_Port.
loop initialization
primitive sequence
A transmitted LIP sequence enables initialization of a Fibre Channel
arbitrated loop. An arbitrated loop must initialize prior to operation
and when configuration changes are detected. Any FL_Port with a
valid AL_PA can start loop initialization by entering the initializing
state and transmitting a LIP sequence.
LUN See logical unit number .
M
MAC address See media access control address .
maintenance port Connector on a director or switch whereby a PC running an ASCII
terminal emulator can be connected for specialized maintenance
support.
MAN See metropolitan area network .
management
information base
The related set of software objects (variables) that a gateway running
the SNMP management protocol maintains. A MIB defines variables
needed by the SNMP protocol to monitor and control components in
the network.
management server A rack-mounted processor shipped with a director or switch, and
dedicated to running the EFC Manager application, Element
Manager application, and Cluster Manager application. Formerly
EFC Server.
Mb See megabit .
MB See megabyte .
Mbps Acronym for megabits per second.
MBps Acronym for megabytes per second.
media access control
address
A MAC address is a unique hardware number of a device on a LAN
or other network. The MAC address is used by the media access
control sublayer of the TCP/IP data-link layer.