Re: [Xen-users] Probably very very stupid question regarding passthrough....

["Nick Couchman" <Nick.Couchman@xxxxxxxxx>]

On Sun, 2011-04-10 at 19:46 +0200, Enrico Valsecchi wrote:
> Gyu,
> many thanks for answer!
> 
> Yes, xenNPIV are solution of my problem.
> Now, I have read and search with google additional
> info, but I don't have found documentation that 
> explain how I can implement it on my systems...
> 
> :-(
> 
> I have install and configured my computer with
> a Debian Squeeze with Xen 4.0.1, but into xm command
> I don't have any info in order how I can configure
> npiv.
> 
> How I can find a tutorial or howto?
> 
> Many thanks,
> 
> Enrico
> 

I find Novell's page to be the most straight-forward on getting it
running:

http://www.novell.com/communities/node/6170/configuring-san-and-creating-vms-connected-san-using-fabric-channel-npiv-sles10-sp2

I do use SLES, but you should be able to apply the same logic to any
Linux-based dom0 that supports NPIV.

Also, note, as I mentioned in my reply with NPIV, your FC switches must
have NPIV support enabled (my Cisco MDS switches required issuing a
command to enable NPIV), and, if your SAN is a multi-head (Active/Active
or Active/Standby) controller configuration, you need to make sure that
it supports migrating the target WWNs between controllers, else you'll
lose connectivity to your volumes when one of your controllers goes
down.

-Nick



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