On Thu, 12 Apr 2007, John R Pierce wrote: > Dale Sykora wrote: > > I know of a few techniques for minimizing server bandwidth when > > bittorent is not an option. > > > > 1) If you have the beta isos, you can rename them as centos 5 isos and > > then rsync from a mirror that allows rsync (such as kernel.org). Then > > only changes from beta to centos 5 plus some overhead is downloaded. I > > suppose you could use this technique with bittorrent too. > > > > if one file near the beginning of the ISO changes size by even a block, > then the whole rest of the ISO will be different, this will gain you > nothing. With bittorrent, that is perhaps true. Rsync will be able to handle that difference. But if most RPMs are rebuild that it will have not much matching data. Wojtek