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UNIX Version 5.1 installation disk or cluster member system boot disks.
Setting the device unit number allows the installation scripts to recognize a
Fibre Channel disk.
To set the device unit number for a Fibre Channel device, follow these steps:
1. Use the HSG80 show unit command to obtain the user defined
identifier (UDID) for the HSG80 storageset to be used as the Tru64
UNIX Version 5.1 installation disk or cluster member system boot disks.
Record the UDIDs. The show unit command also displays the HSG80
disk name, so you can be sure you are using the correct device.
In the example in Table 6–2 the Tru64 UNIX disk is unit D133 with a
UDID 133. The UDID for the cluster member 1 boot disk is 131, and the
cluster member 2 boot disk is 132.
2. From the AlphaServer console, use the wwidmgr -clear all
command to clear the stored Fibre Channel wwid1, wwid2, wwid3,
wwid4, N1, N2, N3, and N4 console environment variables. You want to
start with all wwid
n and Nn variables clear.
P00>>> wwidmgr -clear all
P00>>> show wwid*
wwid0
wwid1
wwid2
wwid3
P00>>> show n*
N1
N2
N3
N4
____________________ Note _____________________
The console only creates devices for which the wwidn
console environment variable has been set, and are
accessible through an HSG80 N_Port as specified by the Nn
console environment variable also being set. These console
environment variables are set with the wwidmgr -quickset
or wwidmgr -set wwid commands. The use of the wwidmgr
-quickset command is shown later in Example 6–5.
3. Example 6–4 shows the use of the wwidmgr -show wwid command to
display the UDID and worldwide names of all devices known to the
console. Note that at this time, if you were to issue the show device
6–44 Using Fibre Channel Storage