[libvirt] server side copy from one volume to another

[Michal Privoznik]

On 04/14/2017 10:06 PM, Vasiliy Tolstov wrote:
> Hi! I have two pools pool_a and pool_b and need to copy volume from
> pool_a to pool_b. Now i can use volume download/upload to transfer
> data, but this is not optimal because all traffic goes via client.
> Does it possible to signal libvirt copy volume from pool_a to pool_b
> not transfer all data via client? Like server side copy?

How about: virsh vol-create-from.

I've just realized that it does not preserve file sparseness O:-)

> 
> If this is not possible - may be someone from redhat team can do that?
> (Or provide some tips how can i do that?)
> 

Anyone can submit patches to libvirt. Not just Red Hat guys ;-) I'd love
to have more people with different backgrounds contributing. Simply
because together we know more.

Michal