Compaq AA-RHGWC-TE manual Obtaining the Worldwide Names of Kgpsa Adapters

This display shows that the current topology for both KGPSA host bus adapters is LOOP, but will be FABRIC after the next initialization.

A system initialization configures the KGPSAs to run on a fabric.

6.5.2.3 Obtaining the Worldwide Names of KGPSA Adapters

A worldwide name is a unique number assigned to a subsystem by the Institute of Electrical and Electronics Engineers (IEEE) and set by the manufacturer prior to shipping. The worldwide name assigned to a subsystem never changes. You should obtain and record the worldwide names of Fibre Channel components in case you need to verify their target ID mappings in the operating system.

Fibre Channel devices have both a node name and a port name worldwide name, both of which are 64-bit numbers. Most commands you use with Fibre Channel only show the port name.

There are multiple ways to obtain the KGPSA port name worldwide name:

•You can obtain the worldwide name from a label on the KGPSA module before you install it.

•You can use the show dev command as follows:

P00>>> show dev

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pga0.0.0.1.0	PGA0	WWN	1000-0000-c920-eda0
pgb0.0.0.2.0	PGB0	WWN	1000-0000-c920-da01

•You can use the wwidmgr -show adapter command as follows:

P00>>> wwidmgr -show adapter
item		adapter	WWN	Cur. Topo	Next Topo
[	0]	pga0.0.0.4.1	1000-0000-c920-eda0	FABRIC	FABRIC
[	1]	pgb0.0.0.3.0	1000-0000-c920-da01	FABRIC	FABRIC

[9999] All of the above.

•If the operating system is installed, the worldwide name of a KGPSA adapter is also displayed in the boot messages generated when the emx driver attaches to the adapter when the adapter’s host system boots. Or, you can use the grep utility and obtain the worldwide name from the

/var/adm/messages file as follows:

#grep wwn /var/adm/messages

F/W Rev 2.20X2(1.12): wwn 1000-0000-c920-eda0

F/W Rev 2.20X2(1.12): wwn 1000-0000-c920-eda0

F/W Rev 2.20X2(1.12): wwn 1000-0000-c920-eda0

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Record the worldwide name of each KGPSA adapter for later use.

Using Fibre Channel Storage 6–27