Master, Service processors (msps), On the – HP NonStop G-Series User Manual

Page 293

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nodes). The overview pane does not appear in the OSM Low-Level Link.

The top pane is the view pane. It might contain a

Physical view

or an

Inventory view

.

You can select the type of view from the Display menu or the toolbar.

The lower pane is the details pane. It displays the specific information about the selected
resource. Click a tab to select the type of information to display in the details pane.

master service processor (MSP)

A type of service processor (SP) pair that provides the basic service processor functions
as well as centralized system functions such as a console port, a modem port for remote
support functions, and system-load control. The OSM system console communicates
directly with the MSPs on the server. The

enclosure

containing processors 0 and 1

contains the MSP pair.

media access control (MAC) address

A value in the medium access control sublayer of the IEEE/ISO/ANSI

local area network

(LAN)

architecture that uniquely identifies an individual station implementing a single

point of physical attachment to a LAN.

Media Interface Connector (MIC)

A type of head on a fiber-optic cable that has locking wings on the sides.

memory dump

The contents of a

processor's

memory copied onto disk or magnetic tape for later

analysis, as produced in a tape dump operation. You should submit the memory dump to
your service provider.

microcode

Any machine code or data that can run in a microprocessor. HP produces two types of
microcode for NonStop systems: volatile and nonvolatile. Volatile microcode is loaded
into the volatile random-access memory (RAM) of some types of printed wiring
assemblies (PWAs) and is not retained in a host PWA when power to the PWA is
interrupted. For nonvolatile microcode, see

firmware

. See also

millicode

millicode

RISC instructions that implement various TNS low-level functions such as exception
handling, real-time translation routines, and library routines that implement the TNS
instruction set. Millicode is functionally equivalent to TNS

microcode

.

mirrored disk or volume

A pair of identical disk drives that are used together as a single logical volume. One drive
is considered primary and the other is called the mirror. Each byte of data written to the
primary drive is also written to the mirror drive. If the primary drive fails, the mirror
drive can continue operations. Each drive has the same volume name, but the name has a

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