Date: Sun, 04 Nov 2012 18:24:25 -0800 From: "Ronald F. Guilmette" <rfg@tristatelogic.com> To: freebsd-questions@freebsd.org Subject: Re: Questions about dump/restore to/from DVD media Message-ID: <21460.1352082265@tristatelogic.com> In-Reply-To: <CAOgwaMvoNCTi7AkMtjw0%2BCAaSTFHfAE5GW%2BpkMh%2B4LdR00-9rA@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
In message <CAOgwaMvoNCTi7AkMtjw0+CAaSTFHfAE5GW+pkMh+4LdR00-9rA@mail.gmail.com> Mehmet Erol Sanliturk <m.e.sanliturk@gmail.com> wrote: >Assume one file will NOT be copied more than ONE DVD , i.e. , each file >will be completely recorded on one DVD : > >http://en.wikipedia.org/wiki/Cutting_stock_problem The problem you cited is an interesting one, but I do not believe that it is at all relevant to the current discussion for the simple reason that this "cutting problem" is based on the assmption that one "thing" (e.g. a cut piece of paper) cannot be spread across two or more of the available units of raw material (e.g. a standard roll of paper). I'm sure that is true for paper, but as regards to FreeBSD partition backups, these have always been allowed to cross output volume boundaries, I think, e.g. spilling off the end of one backup tape and onto the beginning of the next backup tape. Regards, rfg
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?21460.1352082265>