HP StorageWorks 2/64 HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 32

World Wide Name. An identi

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WDM Wavelength division multiplexer. A set of technologies that allows multiple wavelengths to be combined or filtered on a single cable. See DWDM. well-known address In Fibre Channel technology, a logical address defined by Fibre Channel standards, as assigned to a specific function and stored on the switch. workstation A computer used to access and manage the fabric. Also called management station or host. WTV Write timeout value. An ELS field that appears in portLogDump command output. WWN World Wide Name. An identifier that is unique worldwide. Each entity in a fabric has a separate WWN. WWN-level zoning This type of zoning defines a zone member using a WWW port or a WWN node. Defining a zone member with a WWN allows the member (device) to be attached without regard to its physical location. X.25 A protocol that uses logical channels. X.25 allows high-quality communications between computers and can accommodate noisy data communications through error-detection and error-correction (retransmission) algorithms. zone A collection of Fibre Channel N_Ports and NL_Ports ( device ports) that are allowed to communicate with each other via the fabric. Any two N_Ports and NL_Ports that are not members of at least one common zone are not permitted to communicate via the fabric. Zone membership may be specified by: • Port location on a switch (for example, Domain_ID and port number) • Device N_Port_Name • Device Node_Name device's address identifier • Device Node_Name Well-known addresses are implicitly included in every zone. Devices and hosts within the same zone have access to others in the zone but are not visible to any outside the zone. zone configuration A specified set of zones. Enabling a configuration enables all zones in that configuration. See also defined zone configuration, enabled zone configuration, and effective zone configuration. zone configuration object Defines a list of zone objects. The zone database can contain several zone configuration objects, but only one zone configuration object can be enabled and enforced at a time. See also zone object. zone member The specification of a device to be included in a zone. A zone member may be defined as a port on a switch or a World Wide Name. A zone member can belong to more than one zone at a time. See also port-level zoning and WWN-level zoning. zone object Defines a list of zone members. A zone object can exist across multiple zone configuration objects. zoning A feature in fabric switches or hubs that allows segmentation of a node by physical port, name, or address. 32 Glossary

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WDM
Wavelength division multiplexer. A set of technologies that allows multiple
wavelengths to be combined or
fi
ltered on a single cable.
See
DWDM
.
well-known ad-
dress
In Fibre Channel technology, a logical address de
fi
ned by Fibre Channel
standards, as assigned to a speci
fi
c function and stored on the switch.
workstation
A computer used to access and manage the fabric.
Also called
management
station or host.
WTV
Write timeout value. An ELS
fi
eld that appears in
portLogDump
command
output.
WWN
World Wide Name. An identi
fi
er that is unique worldwide. Each entity in a
fabric has a separate WWN.
WWN-level zon-
ing
This type of zoning de
fi
nes a zone member using a WWW port or a WWN
node. De
fi
ning a zone member with a WWN allows the member (device) to
be attached without regard to its physical location.
X.25
A protocol that uses logical channels. X.25 allows high-quality communications
between computers and can accommodate noisy data communications through
error-detection and error-correction (retransmission) algorithms.
zone
A collection of Fibre Channel N_Ports and NL_Ports ( device ports) that are
allowed to communicate with each other via the fabric. Any two N_Ports and
NL_Ports that are not members of at least one common zone are not permitted
to communicate via the fabric. Zone membership may be speci
fi
ed by:
•
Port location on a switch (for example, Domain_ID and port number)
•
Device N_Port_Name
•
Device Node_Name device’s address identi
fi
er
•
Device
Node_Name
Well-known addresses are implicitly included in every zone. Devices and hosts
within the same zone have access to others in the zone but are not visible to
any outside the zone.
zone con
fi
guration
A speci
fi
ed set of zones. Enabling a con
fi
guration enables all zones in that
con
fi
guration.
See also
de
fi
ned zone con
fi
guration
,
enabled zone con
fi
guration
, and
effective
zone con
fi
guration
.
zone con
fi
guration
object
De
fi
nes a list of zone objects. The zone database can contain several zone
con
fi
guration objects, but only one zone con
fi
guration object can be enabled
and enforced at a time.
See also
zone object
.
zone member
The speci
fi
cation of a device to be included in a zone. A zone member may be
de
fi
ned as a port on a switch or a World Wide Name. A zone member can
belong to more than one zone at a time.
See also
port-level zoning
and
WWN-level zoning
.
zone object
De
fi
nes a list of zone members. A zone object can exist across multiple zone
con
fi
guration objects.
zoning
A feature in fabric switches or hubs that allows segmentation of a node by
physical port, name, or address.
32
Glossary