HP StorageWorks XPath OS 7.4.X Administrator Guide (AA-RVHDD-TE, February 2006)

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Management Server. Allows a SAN management application to retrieve information and administer the

fabric and interconnected elements, such as switches, servers, and storage devices. The MS is located at

the Fibre Channel well-known address FFFFFAh.

MSD

Management Server daemon. Monitors the MS. Includes the Fabric Configuration Service and the

Unzoned Name Server.

MSRS

Multi-protocol SAN Routing Services. An optional, licensed software bundle available on certain HP

StorageWorks platforms, such as the MP Router, that includes the Fibre Channel Routing Service and the

FCIP Tunneling Service.

MTBF

Mean time between failures. An expression of time, indicating the longevity of a device.

N_Port

Node port. A port on a node that can connect to a Fibre Channel port or to another N_Port in a

point-to-point connection.

Name Server (SNS)

A switch service that stores names, addresses, and attributes for up to 15 minutes and provides them as

required to other devices in the fabric. SNS is defined by Fibre Channel standards and exists at a

well-known address. Also called a directory service.

NL_Port

Node loop port. A node port that has arbitrated-loop capabilities. Used to connect an equipment port to

the fabric in a loop configuration through an FL_Port. See also N_Port, Nx_Port.

node

A Fibre Channel device that contains an N_Port or NL_Port.

node count

The number of nodes attached to a fabric.

node name

The unique identifier for a node, communicated during login and port discovery.

NR_Port

A normal E_Port used to connect an FC router to a backbone fabric.

Name Server. The service provided by a fabric switch that stores names, addresses, and attributes related

to Fibre Channel objects. Can cache information for up to 15 minutes. Also called a Simple Name Server

or a directory service.

Nx_Port

A node port that can operate as either an N_Port or NL_Port.