How to find WWN of HBA on a RedHat m/c

[Masthan]

Hi All,

Please let me know the command, to know the WWN of Qlogic HBA on Redhat m/c

-Masthan

[Ian Vaughan]

Howdy,
The easiest way is to look at it from the other end - login to the SAN switch and do a "switchshow" (assuming it is a Brocade)- look at the WWN that is attached on the port that the server is attached to.
I tend to use the GUI if it is a cisco switch.

HTH
Ian

[Craig Gilmore]

Masthan,

Get the fibreutils.rpm package from this site:

http://h18004.www1.hp.com/support/files/server/us/locate/1117_6215.html#34

Install the rpm and issue the identify command. This will give you the WWN of the QLogic HBA.

[sathish kannan]

Masthan,

Check /proc/scsi/(HBATYPE)/XXXXX file.

replace HBATYPE with your card type and XXXX being your instance number.

Regards
Sathish

[Steven E. Protter]

Shalom,

As noted above, these utils are not built into the OS.

There is a tool from qlogic called san surfer which includes a utilty fo identifying the WWN.

SEP

[Sheriff Andy]

As Ian had mentioned, go thru the brocade and do a switchshow.

Some HBAs have had the WWN on the back of the card as well.

[The Spartan]

Well Qlogic has sansurfer
SAnsurfer -
http://support.qlogic.com/support/sun_page_details.asp?productId=928&OSType=Linux

fibreutils is available with the driver as a part of the kit.

If all else fails try the switch, it wont fail you.

Cheers.