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Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

 
eci
Advisor

Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

I have a C7000 with the following:

1,2 = 10Gbps pass-thrus

3,4 = 4Gbps FC pass-thrus

5,6 = 8Gbps VC-FCs

We don't want any VC-FC features - we just want pass-through to our Nexus 5548UPs. Using OneView in managed mode, I was able to configure the VC-FC's and my Nexus switches see the Blade PWWNs.  

It *appears* this can work now without VC-Enets at all. Any input?

 

Is VC-Enet still required now that we have OneView?

13 REPLIES
Torsten.
Acclaimed Contributor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

>> Is VC-Enet still required now that we have OneView?

 

Without the ethernet modules you cannot configure the VC FC modules.

Even Oneview configures the Enet modules, then the Enet modules pass the config to the FC modules.


Hope this helps!
Regards
Torsten.

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eci
Advisor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

Thanks for the reply. I am confused, then!

OneView allowed me to create the interconnect group, and map the ports completely to the SAN. The blade HBA ports appear on my Cisco Nexus interfaces, I zoned them, and the MSA2042 SAN sees both initators......I can map storage, the blade can mount it. Is this supposed to be impossible?

eci
Advisor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

See attached - 

Torsten.
Acclaimed Contributor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

Maybe you use

3,4 = 4Gbps FC pass-thrus


Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

__________________________________________________
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eci
Advisor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

We wanted 8gbps. HP never made a passthru @ that speed. :(

How can it be explained that the server can use the SAN storage through the VC-FC? This is OneView 3.0 - maybe some new features? It found the VC-FC instantly and reported success on configuring it. OneView added the VCM link into the OBA.

eci
Advisor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

Also - as far as being able to configure them - 

I made a Server Profile that included the 2 ports and applied it. Immediately, the PWWN's showed up on the Nexus. So it does appear to be doing something...

Torsten.
Acclaimed Contributor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

Interesting ...

If you review the virtual connect quickspec, you will not find in the supported configurations section any config without an ethernet module.

So obviously it works, but it is unsupported.

Can you open the virtual connect manager?

Just for my curiosity ...

I would not use an unsupported configuration in a production environment.


Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

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eci
Advisor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

The Virtual Connect Manager link presented in OBA is a link to OneView. It works.

eci
Advisor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

OneView 3.0 cookbook:

 

" HPE OneView replaces Virtual Connect Manager and Virtual Connect Enterprise Manager when the enclosure is migrated into HPE OneView. Virtual Connect Manager is no longer available and cannot be logged into once the enclosure is managed by HPE OneView"

http://h20195.www2.hpe.com/V2/getpdf.aspx/4AA5-0351ENW.pdf?ver=Rev%206

 

 

 

Torsten.
Acclaimed Contributor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

Yes, once configured in OneView, you cannot manage with other tools.

I was not sure if you can still open VCM ...

Maybe you can ask here again

https://community.hpe.com/t5/HPE-OneView/bd-p/hp-oneview

but I still think this configuration is not supported.

If in doubt, ask HPE support.


Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

__________________________________________________
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If you feel this was helpful please click the KUDOS! thumb below!   
eci
Advisor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

Per HPE OneView engineer:

 

"HPE OneView would support this, not Virtual Connect Manager. HPE OneView is the manager here, not VCM (which would have been turned off if you had VC Ethernet modules in the Enclosure).

 

The architecture of HPE OneView is different than Virtual Connect Manager.  If you were not using HPE OneView, then you will need VC Ethernet modules and that is where VCM lives.  Since you are using HPE OneView, it does not require VC Ethernet modules just to manage VC Fibre Channel modules.  Please do not rely on Virtual Connect Manager documentation here, as it is not applicable.  You need to review HPE OneView supporting documentation."

Torsten.
Acclaimed Contributor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

OK, OneView is replacing the VCM. No doubt.

The documentation

HPE OneView 3.0 Support Matrix

chapter 2.10 Interconnect modules

list the VC FC modules as fully supported and it does not say an ethernet module is needed.

It does also not say it is working without such modules... but obviously it does.

However, a real corner case, since you get all the advantages of blades and OneView only with the Enet modules.

 

 

 


Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

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eci
Advisor

Re: Can VC-FC interconnects be used now WITHOUT VC-Enet/VCM since OneView correctly recognizes them

Yes - an odd case.

It was a 5 year old chassis with just pass through. Customer wanted to use 8Gbps. Much, much cheaper doing it this way than buying an additional 2 modules.