Fibre Channel (SAN)

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Contributor
Posts: 31
Registered: ‎10-08-2012

Discover WWNs on NPIV

Hi

I have some ports on SAN768b switch with NPIV config.

When I run switchshow, the only information that I can get is:

131   13   03fc80   idN4   Online  FC  F-Port  1 N Port + 4 NPIV public

We have a performance issue with VMWare, and I can't identify which port these servers are connected. The only information is the zone (where I can identify the WWNs)

Is there any way to discover the WWNs of these HBAs?

cheers

Marcia

New Contributor
Posts: 4
Registered: ‎02-04-2011

Re: Discover WWNs on NPIV

portshow 13 or nsshow (the alpa part of the FID would change and Domain and Area part would remain the same for each WWN for port 13)

Regular Contributor
Posts: 201
Registered: ‎11-24-2009

Re: Discover WWNs on NPIV

Hi Marcia,

portLoginShow shows all WWNs logged into fabric on a given physical port.

If you know device WWN you can further identify it with nodeFind command.

nsZoneMember might tell you with what other devices your host WWN can communicate.

Hope this helps,

Linar

Contributor
Posts: 26
Registered: ‎08-12-2008

Re: Discover WWNs on NPIV

We do a ton of NPIV and the best way that I have found to ID the port is using DCFM/BNA. Easy way here is to right click on the switch in DCFM/BNA and click on performance monitor/ real time graph. Look for your NPIV WWN and you will see the actual port number above it. Hope this helps

Contributor
Posts: 31
Registered: ‎10-08-2012

Re: Discover WWNs on NPIV

Hi

thanks all for your help.

cheers

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