Hi, guys

I was executing the following command to lively migrate local storage to network storage,

   [root@192-168-152-51 ~]# virsh blockcopy
   a75056a4-44e0-4b97-bc77-78142ee17038 vda —xml rbd.xml —wait —verbose
   —pivot
   error: argument unsupported: non-file destination not supported yet

but I get the following error:

   error: argument unsupported: non-file destination not supported yet

I check my libvirt source code, and find the following code sniff in /qemuDomainBlockCopyCommon/ function

|if (!virStorageSourceIsLocalStorage(mirror)) { virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, "%s", _("non-file destination not supported yet")); } |

it was introduced by Eric.

   commit e53ee6c123321a1775ef3b36e15a5fa351d10fe4
   Author: Eric Blake ebl...@redhat.com <http://mailto:ebl...@redhat.com>
   Date: Fri Aug 29 16:30:46 2014 -0600

   blockcopy: tweak how rebase calls into copy

So my question is that why we cannot block copy to network storage?

​


Thanks
Wei




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