Fujitsu PRIMEQUEST 1000 Series User Manual page 188

Remarks
Some multifunction cards differ only in the part after FUNC in the Unit
name. Also, some differ only in the Func number at [Seg/Bus/Dev/Func].
Perform the following steps 2 and 3 for each of these multifunction cards.
2. Select the UNIT name of the FC card to be replaced in [Driver Monitor]
window, and record the "WWN (hex)" value of the replacement device.
3. Start HBAnywhere and acquire the port number of the replacement
device based on the WWN acquired in step 2.
From the left pane, select the relevant WWN. From the right pane, select
the [Port Information] tab. The information displayed in [OS Device Name]
is a port number (in the following example, \\.\Scsi2).
HBAnyware
4. Start ETERNUS Multipath Manager and place all the devices to be
replaced offline.
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