topic Re: How to List WWID's of all SAN Attached devices (tapes/disks) in HPE EVA Storage

How to List WWID's of all SAN Attached devices (tapes/disks)

Alzhy — Mon, 03 Nov 2003 17:19:45 GMT

Servers using Tachyon XL2's (td0, td1)

I could list disk WWID's using spmgr (as I am running SecurePath..)... Is there a command, trick, tool to list all SAN devices with their WWID's? I could not find the man pages for tdlist and tdutil out of the fcms package..

Re: How to List WWID's of all SAN Attached devices (tapes/disks)

Steven E. Protter — Mon, 03 Nov 2003 17:29:26 GMT

My understanding is that world wide names are associated with the fiber cards, not the devices hung off of them.

That is simply done with the following command:

fcmsutil /dev/td0
fcmsutil /dev/td1

You can grep for

| grep -i World

SEP

Re: How to List WWID's of all SAN Attached devices (tapes/disks)

Con O'Kelly — Mon, 03 Nov 2003 17:41:28 GMT

Hi Nelson

I agree with SEP, WWID's are associated with HBA's as opposed to the devices that are connected to them. So each HBA will have its own unique WWID.

As well as the 'fcmsutil' command you can also logon to the switch & run a command:
For example on Brocade switches:
> switchShow

This will show all WWID's of any device (HBA) connected to that switch.

Cheers
Con

Re: How to List WWID's of all SAN Attached devices (tapes/disks)

James A. Donovan — Mon, 03 Nov 2003 18:59:43 GMT

You may want to take a look at

"fcmsutil /dev/td0 get remote all"

It will show you the WWID's of the connected target device(s?)

|morpheus|jdonovan|>/opt/fcms/bin/fcmsutil /dev/td0 get remote all

Target N_Port_id is = 0x011c00
Target state = DVS_READY
Symbolic Name = HP A6189A HP18
Port Type = N_PORT
Target Port World Wide Name = 0x50060b00001966e4
Target Node World Wide Name = 0x50060b000009266b

Common Service parameters (all values shown in hex):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Version_Hi: 20 Version_Low: 9
BB_Credit: 0 Ciro: 1
Alt_BBcred: 1 Rxsz: 800
Conseq: ff RO_Bitmap: 2
Resolution: 0 EDTOV(ms): 7d0

Vendor version (in hex) 0 0 0 0
-------------------------------------------------------------

Re: How to List WWID's of all SAN Attached devices (tapes/disks)

Rajeev Shukla — Mon, 03 Nov 2003 19:09:48 GMT

Yes the best and clean way to get the Node WWW name and Port WWW name would be from switch side.
Login to the switch and use "nsshow" or switchshow and that will give you

Re: How to List WWID's of all SAN Attached devices (tapes/disks)

Alzhy — Tue, 04 Nov 2003 11:04:41 GMT

Thanks for your insights .. I am aware and I've been actually using all the tools in /opt/fcms. What worked for me are the bundled sources of SNIA. What I did was compiled the /opt/snia/demos. I compiled the sample SNIA application an dit indeed showed me the information that I wanted:

- Install aCC
- cd /opt/snia/demos
- make -f makefile.demo
r
and run the resulting executable "snia_demo"