[Libvir] [PATCH 1/2] virDomainMigrate implementation (Xen only, no remote, no qemu, no virsh)

[Richard W.M. Jones]

John Levon wrote:
> On Mon, Jul 16, 2007 at 04:56:53PM +0100, Richard W.M. Jones wrote:
> 
>>  * @resource: (optional) specify resource limit in Mbps
>>  *
>>  * The maximum bandwidth (in Mbps) that will be used to do migration
>>  * can be specified with the resource parameter.  If set to 0,
>>  * libvirt will choose a suitable default.  Some hypervisors do
>>  * not support this feature and will return an error if resource
>>  * is not 0.
> 
> Will there be another way to find this out? It would be unfortunate if
> the only way was to actually attempt it.

virConnectGetCapabilities should return something to say whether this is 
supported.  I'll add that to my implementation.

> Also, are there any backends that /do/ support it? (Xen's option has
> always been ignored)

That is a very good point actually.  xend does ignore the resource 
parameter :-(

I was rather hoping that KVM would be doing the right thing.

Rich.

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