Re: [tomsrtbt] Win backup

[David L. Nicol]

Tom Oehser wrote:
> 
> > > idea in backing up all the empty space.
> >
> > How about compression?  Isn't the empty space zeroed?
> 
> No.  It is full of detritus.  Deleting a file just flips a bit in the
> directory.  You have to make a big file of zeros that fills it if you want
> to dd a partition efficiently.

Hmm.  That might not be that bad of a thing to have to do.  Mount
the partition at /mnt/C then do cat /dev/null> /mnt/C/ZEROES.000
until it fills up, then unmount it, then do the dd into gzip into backup
media.


-- 
                                           David Nicol 816.235.1187
A long time ago, in a galaxy far far away...