non-interactive dump

[perryh at pluto.rain.com]

> > Is there a way to tell dump to do it's working without it asking
> > "Is the new volume mounted and ready to go?: ("yes" or "no")"
> > everytime it changes mount points?
>
> How else can it tell when you've swapped in new media?  If it
> automatically continued it would just overwrite the previous
> segment. 

In principle, when dumping to a sequence of volumes on a removable
device, it could watch for the device to become not-ready and then
ready again.