On Sun, Jan 9, 2011 at 7:19 AM, Josh Wilcox <[email protected]> wrote:
> I was surprised because I assumed each share would be sent to a different > server, but this error message seems to be saying that tahoe was only > looking for 7 distinct servers. > The default is to use 10 shares, but "servers of happiness" is set to seven, so Tahoe only _requires_ seven servers. If it can get 10 servers to take one share each, it will, but if there aren't that many servers accepting shares (as on the volunteer grid right now -- there are only six servers with available space), then the 10 shares will be placed on fewer servers. If there are less than seven servers, then the upload will fail. Basically, with the default parameters you're assured of a 3-of-7 level of reliability, but can get better if more servers are available. -- Shawn
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