Re: [Xen-devel] disk devices

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

> Couple of quick questions about disks in the new io world:
> 
> 1) How do you add/remove disk devices from running domains?

This isn't currently supported by the new xend controller, but
hopefully on-the-fly changes of this sort should be supported soon.

> 2) Is it safe to resize a volume that's connected to a running
>    domain? And will the change be picked up properly from within
>    the domain?

We already have mechanisms for this, it's just that they're not
connected through to the control tools right now.

In answer to your questions: it is safe to dynamically resize a
partition -- the resize will only be picked up if the partition is not
currently mounted. If it is mounted then the change will automatically
be picked up when the partition is unmounted.

 -- Keir


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