On Wed, Mar 10, 2010 at 4:35 PM, David-Sarah Hopwood < [email protected]> wrote:
> Chris Palmer wrote: > > Zooko O'Whielacronx writes: > > > >> We want to continue storing shares of a file all on one server in order > to > >> correlate failures (there is an interesting technical reason why it is > >> safer to do it this way than to spread out blocks from one share to > >> multiple servers) > > > > Is there a cite I can read? > > The argument is straightforward. If you need k out of N shares to > reconstruct a segment, but you need all segments in order to reconstruct > a whole file, and the segment shares are stored on *different* subsets > of k servers, then you will end up needing more than k servers to > reconstruct the file. > > This argument seems to "cut both ways." I tend to agree with Chris Palmer, but I'm not convinced that I'm right in doing do so.
_______________________________________________ tahoe-dev mailing list [email protected] http://allmydata.org/cgi-bin/mailman/listinfo/tahoe-dev
