On Sat, Aug 06, 2005 at 03:23:37PM +0200, Geert Hendrickx wrote:
> [ ... ]
> 
> One solution would be to embed gzip into dump(8) (and gunzip into
> restore(8)), so dump can start a new volume when the *compressed* data
> has reached a predefined size.  Or, more generally, we could define an
> extra command line option for dump so that it accepts a command
> (sequence) through which it pipes all the data before writing it to
> tape/file.  Then the user can pipe it through anything he wants, be it
> gzip, gnupg, ...  Same for restore, of course.  

Apparently something similar has been hacked into the Linux version of
dump/restore, see: 

http://sourceforge.net/mailarchive/message.php?msg_id=1041559

It would be very nice if NetBSD's dump would support compressed output too.  

GH