Windows 2012 Hyper-V Virtual SAN Switch Best Practice

 I have a four node cluster running W2012 Datacenter edition on each.  All systems have Emulex HBA compatible with Hyper-V and Virtual SAN technology. The hosts are connected to a Brocade SAN Switch with NPIV Enabled. I've
created a Virtual SAN on each host. The vSAN is connected to 2 physical HBA. Each HBA is connected to a different physical SAN Switch.
I have some questions about the best practice of the whole system.
1. Do I have to create a vSAN per physical HBA ? Or create one vSAN that include 2 HBA ?
2. Add 2 virtual HBA per VM to have fault tolerance ? Or one virtual HBA that is connected to a vSAN with 2 HBAs ?
3.  Do I have to create a virtual port for each VM on the HBA Gui (OCManager) ?
Any best pratice or advice ?
Thanks

Hi,
first you will do almost the same as you do on a physical SAN, normally you build 2 Fabrics right ?
In Case you have that in place you will configure also 2 vSANs to build up your 2 seperate ways/pathes.
Here my top links for that Topic
Hyper-V Virtual Fibre Channel Design Guide
http://blogs.technet.com/b/privatecloud/archive/2013/07/23/hyper-v-virtual-fibre-channel-design-guide.aspx
Very Good Blog with all the Scenarios you can have, sinlge Fabric to Multi ......
Here the TechNet Info around "Hyper-V Virtual Fibre Channel Overview"
http://technet.microsoft.com/en-us/library/hh831413.aspx
and the "Implement Hyper-V Virtual Fibre Channel"
http://technet.microsoft.com/en-us/library/dn551169.aspx
A good Advice is also to install this Hotfix -
http://support.microsoft.com/kb/2894032/en-us
It is a sexy feature but if one point in the chain is doing wrong things with your NPIV Packets you are lost, so in my personal view you miss the for me most inportant point why i do Hyper-V, the Separation of HW and Software :-)
One Problem i had once was after live Migration of a VM with configured vFC the Destination Host lost there FC Connection, but only if the Host have been one SAN Hop away from the HP Storage , was a HP Driver Problem, used the original Qlogic Driver and
everything was fine, so same as with some HP Networking Driver for Broadcom, do not trust every update, test it before puting it in production.
Hope that helps ?
Udo

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