Re: [Xen-devel] XCP PV driver

[Soubir Acharya <acharya@xxxxxxxxxxx>]

On 2/1/2011 8:27 AM, James Harper wrote:
> > No, we don't support I_T nexus registration; the model is a simple
> non-shared
> > SCSI bus.
> GPLPV tells windows that these SCSIOP's are supported (just returns
> STATUS_SUCCESS), but they don't actually do anything. As Paul implies
> there is no mechanism to pass such a message back to the actual device
> (which could just be a file on disk anyway). It doesn't block anything
> else from accessing the device.
>
> Maybe you could use iSCSI in the DomU instead?
>> True, but not as simple as using files out of dom0 as storage.
> James
Thanks. There is no reason the XCP driver could not do the same, right?
Shared disks would still be "unsupported" but it would just work on a 
single physical node.
I think the configuration is useful to train/demo/play around with 
Windows configurations requiring shared disks.
Oracle RAC, Fail-over clustering to name a few.
Even a single node cluster is a valid configuration for learning.

Soubir



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