Re: about NPIV with qemu-kvm.

From: Hannes Reinecke
Date: Wed Oct 26 2011 - 01:22:43 EST


On 10/26/2011 06:40 AM, ya su wrote:
> hi, hannes:
>
> I want to use NPIV with qemu-kvm, I issued the following command:
>
> echo '1111222233334444:5555666677778888' >
> /sys/class/fc_host/host0/vport_create
>
> and it will produce a new host6 and one vport succesfully, but it
> does not create any virtual hba pci device. so I don't know how to
> assign the virtual host to qemu-kvm.
>
Well, you can't. There is no mechanism for. When using NPIV you need
to pass in the individual LUNs via eg virtio-blk.

> from your this mail, does array will first need to assign a lun to
> this vport? and through this new created disk, like device /dev/sdf,
> then I add qemu-kvm with -drive file=/dev/sdf,if=virtio... arguments?
>
Yes. That's what you need to do.

Cheers,

Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@xxxxxxx +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Markus Rex, HRB 16746 (AG Nürnberg)
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