Layered topology, Logic board, Load – HP Integrity NonStop J-Series User Manual

Page 309: Initial discovery, Internal servernet fabrics, Ip address

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See also

light-emitting diode (LED)

.

initial discovery

Discovery of a NonStop server with which the or the OSM Service Connection has had no prior
contact and for which it has no locally saved information.
See also

discovery

.

internal ServerNet
fabrics

The fabrics that link ServerNet devices within an HP NonStop™ server.
See also

external ServerNet fabrics

.

internal ServerNet
X or Y fabric

The fabrics that link ServerNet devices within an HP NonStop™ server.
See also

fabric

.

internet protocol
(IP)

A data communications protocol that handles the routing of data through a network, which
typically consists of many different

subnetworks

. IP routes data between source and destination

IP addresses

.

Inventory view

One of several views of a server or supported Expand network available after system discovery
in the view pane of the

Management window

. The Inventory view is a table that lists server or

cluster components according to type, location, part number, and other attributes.
See also

Physical view

.

IP address

An

internet protocol (IP)

. An IP address consists of two parts: a network address, which identifies

the network, and a local address, which identifies a host within a network. The network address
uniquely identifies a host within a network.

J

There are no entries for this section

K

There are no entries for this section

L

layered topology

The network topology for ServerNet clusters using the HP NonStop ServerNet Switch (model
6780). The layered topology can scale by adding cluster switch layers or zones. The layered
topology supports up to four layers and three zones.
See also

star topology

.

light-emitting
diode (LED)

A semiconductor device that emits light from its surface. LEDs are used as

indicator lights

on

CRUs

and

FRUs

in NonStop S-series servers.

line

The specific hardware path over which data is transmitted or received. A line can also have a
process name associated with it that identifies an input/output process (IOP) or logical device
associated with that specific hardware path.

line interface unit
(LIU)

A dual-ported unit consisting of two parts: a communications line interface processor (CLIP) and
a line interface module (LIM). An LIU can communicate with either the primary or the backup
processor, providing fault tolerance. When it is a component of the communications subsystem,
an LIU communicates with either processor through either of a pair of communications interface
units (CIUs).

link

A communications path between two entities.

load

To transfer the NonStop operating system image or a program from storage (typically disk) into
processor memory so that the operating system or program can run.

local area network
(LAN)

A network that is located in a small geographical area and provides a high-bandwidth, low-cost
medium to which low-cost nodes can be connected. One or more LANs can be connected to the
system such that the LAN users can access the system as if their workstations were connected
directly to it.
See also

wide area network (WAN)

,

ServerNet system area network (ServerNet SAN)

.

logic board (LB)

A printed wiring assembly (PWA) on which computer circuits (chips and wiring) are mounted.

logical device
number

A number that identifies a particular I/O device in the system. Logical device numbers are assigned
to physical I/O devices.

309

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