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Create Offhost Backup Configuration Files

60 NetBackup ServerFree Agent System Administrator’s Guide

nport ID (n=npid)

The fibre channel n-port ID, which identifies the device on the SAN. This value is usually

not required. If you cannot use i=, or w= and l=, refer to “ServerFree Agent Information

on the Web” on page xiv to obtain configuration notes including information on the nport

ID.

lun (l=lun)

The device’s logical unit number. The LUN allows NetBackup to identify devices that are

attached by SCSI connection to the third-party copy device, bridge, or other SAN device,

or that are directly attached to the fibre channel.

world-wide port name (w=wwpn)

The device’s fibre channel world-wide port name, which identifies the device on the SAN.

This is a 16-digit identifier, consisting of an 8-digit manufacturer name, and an 8-digit

device name (numeric).

The following is an example message showing a world-wide name for a device, written to

the /var/adm/messages log on the server. Note there are two versions of the

world-wide name: the node wwn and port wwn. For ServerFree Agent, use the port wwn.

Example of World-Wide Name in /var/adm/messages log

On some devices, the world-wide port name can be found on the back of the device or in

the boot-time messages written to the /var/adm/messages log on the NetBackup

media server.

identification descriptor (i=iddesc)

When available, this value (up to 23 characters) identifies the device on the SAN. If

available, the identification descriptor is automatically included in the 3pc.conf file

when you run the bptpcinfo command. See “Determining Requirements” for more

information on this value.

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Seagate ST39175LW Anleitung zur Fehlerbehebung Seite 74