HP StorageWorks 2/64 HP StorageWorks Fabric OS 5.x Command Reference Guide (AA - Page 811

multicast, multimode, N_Port, Name Server, node count, node name, Nonparticipating, NSCAM

Page 811 highlights

MSRS MTBF multicast multimode N_Port Name Server NAS NDMP NL_Port node node count node name Nonparticipating Mode NOS NR_Port NS NSCAM Nx_Port OFC OLS ON OPN Multiprotocol SAN Routing Services. An optionally licensed software bundle available on certain HP platforms, such as the HP StorageWorks MP Router, that includes the Fibre Channel Routing Service, the iSCSI Gateway Service, and the FCIP Tunneling Service. Mean time between failures. An expression of time, indicating the longevity of a device. The transmission of data from a single source to multiple specified N_Ports (as opposed to all the ports on the network). See also broadcast, unicast. A fiber optic cabling specification that allows up to 500 meters between devices. 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. See also NL_Port, Nx_Port. Simple 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 referred to as directory service. Network-attached storage. A disk array connected to a controller that gives access via a LAN. Network Data Management Protocol. Used for tape backup without using server resources. 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. A Fibre Channel device that contains an N_Port or NL_Port. The number of nodes attached to a fabric. The unique identifier for a node, communicated during login and port discovery. A mode in which an L_Port in a loop is inactive and cannot arbitrate or send frames but can retransmit received transmissions. This mode is entered if there are more than 127 devices in a loop and an AL_PA cannot be acquired. See also L_Port, Participating Mode. Not operational. The NOS primitive sequence is transmitted to indicate that the FC_Port transmitting the NOS has detected a link failure or is offline, waiting for the offline sequence (OLS) to be received. 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 known as Simple Name Server or as a directory service. See also Simple Name Server (SNS). Name Server Cache Manager. Updates the Name Server (NS) databases across switches as a background task. A node port that can operate as either an N_Port or NL_Port. Open fiber control. A method used to enable and disable laser signaling for higher-intensity laser transceivers. Primitive sequence offline. Offline notification. Refers to an ELS field that appears in portLogDump command output. Open primitive signal. Applies only to arbitrated loop; sent by an L_Port that has won the arbitration process to open communication with one or more ports on the loop. Fabric OS 5.x command reference guide 811

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Fabric OS 5.x command reference guide
811
MSRS
Multiprotocol SAN Routing Services. An optionally licensed software bundle available on
certain HP platforms, such as the HP StorageWorks MP Router, that includes the Fibre Channel
Routing Service, the iSCSI Gateway Service, and the FCIP Tunneling Service.
MTBF
Mean time between failures. An expression of time, indicating the longevity of a device.
multicast
The transmission of data from a single source to multiple specified N_Ports (as opposed to all
the ports on the network).
See also
broadcast
,
unicast
.
multimode
A fiber optic cabling specification that allows up to 500 meters between devices.
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.
See also
NL_Port
,
Nx_Port
.
Name Server
Simple 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 referred to as
directory
service
.
NAS
Network-attached storage. A disk array connected to a controller that gives access via a LAN.
NDMP
Network Data Management Protocol. Used for tape backup without using server resources.
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.
Nonparticipating
Mode
A mode in which an L_Port in a loop is inactive and cannot arbitrate or send frames but can
retransmit received transmissions. This mode is entered if there are more than 127 devices in a
loop and an AL_PA cannot be acquired.
See also
L_Port
,
Participating Mode
.
NOS
Not operational. The NOS primitive sequence is transmitted to indicate that the FC_Port
transmitting the NOS has detected a link failure or is offline, waiting for the offline sequence
(OLS) to be received.
NR_Port
A normal E_Port used to connect an FC router to a backbone fabric.
NS
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
known as
Simple Name Server
or as a
directory service
.
See also
Simple Name Server (SNS)
.
NSCAM
Name Server Cache Manager. Updates the Name Server (NS) databases across switches as
a background task.
Nx_Port
A node port that can operate as either an N_Port or NL_Port.
OFC
Open fiber control. A method used to enable and disable laser signaling for higher-intensity
laser transceivers.
OLS
Primitive sequence offline.
ON
Offline notification. Refers to an ELS field that appears in
portLogDump
command output.
OPN
Open primitive signal. Applies only to arbitrated loop; sent by an L_Port that has won the
arbitration process to open communication with one or more ports on the loop.