Hi, > > We don't copy any state. It is rather pointless, even for save/resume on > > the > > same machine we don't know what state the usb device has and whenever it is > > still in the state the guest has left it. > I have tried stop/cont a vm with host-usb device during coping large > files(makes usb device busy woking), > but usb device was not detached/attached and coping task was completed > properly. > It seems that we can restart it where we left it off.
stop/cont isn't a problem. save/resume means "virsh save" + "virsh resume". This sends the live migration stream to a file (using "migrate exec:cat>file" monitor command for save, then 'qemu -incoming "exec:cat file' for resume). cheers, Gerd
