WWN of a Fibre Channel adapter

[Ross Minkov]

How do I get the WWN of a Fibre Channel adapter? I am running 11.11 and have 2 HP Tachyon XL2 FC Mass Storage adapters in an rp5470 server.

Thanks,
Ross

[Michael Tully · Accepted solution]

try:

# ioscan -fnk >/tmp/wrk
# vi /tmp/wrk (and look for the /dev/tdX devices)
the run
# /opt/fcms/bin/fcmsutil /dev/td? (for each one. You'll get something like this. The correct WWN is 'Port World Wide Name')

Vendor ID is = 0x00103c
Device ID is = 0x001028
TL Chip Revision No is = 2.3
PCI Sub-system Vendor ID is = 0x00103c
PCI Sub-system ID is = 0x000006
Topology = PTTOPT_FABRIC
Local N_Port_id is = 0x011200
N_Port Node World Wide Name = 0x50060b00000af3f9
N_Port Port World Wide Name = 0x50060b00000af3f8
Driver state = ONLINE
Hardware Path is = 0/0/8/0/0
Number of Assisted IOs = 6467044
Number of Active Login Sessions = 2

[Rajeev Shukla]

I am sure you'r Fibre Channel Adapters would be connected to a switch, say brocade switch.
Other way to get the wwn of adapter is to login to the switch to which this adapter is connected and do a switchshow, or nsshow

[Suresh Patoria]

Hi,

Through stm tool u can get the information

Thanx

[Joe Short]

The command is fcmsutil.
First do an ioscan -fn to get the device of the fiber channel HBAs, it will be something like /dev/td1.
then execute the command:
fcmsutil /dev/td1

It will giv output similar to what's listed below. Take the last character off to get the WWN.

Vendor ID is = 0x00103c
Device ID is = 0x001028
PCI Sub-system Vendor ID is = 0x00103c
PCI Sub-system ID is = 0x000006
Topology = PTTOPT_FABRIC
Local N_Port_id is = 0x210c13
N_Port Node World WideName=0x50060b00000838db
N_Port Port World WideName=0x50060b00000838da
Driver state = ONLINE
Hardware Path is = 0/5/0/0
Number of Assisted IOs = 1979710
Number of Active Login Sessions = 1

[Zinky]

If you are on an 11.11 system, then there is this SNIA (Storage Networking Industry Association) sampler that is a really kool tool to explore you're SAN. Just compile the source you'll find in /opt/snia/demos:

make -f makefile.demo (compiles snia_demo.c), run the resuting executable and you should have what you'll need.. I hav ebeen so far successful in compiling it on aCC compiler.

If what you want is your HBA's properties, then fcmsutil or tdutil will do.

[Joshua Scott]

the a6795a fc adapters have the WWN printed on the visible external portion of the PCI card guide. if you have physical access to the server you can look there. it should be right underneath (or above) the connector.

-Josh

[Ross Minkov]

thanks for your help