[tahoe-dev] erasure coding makes files more fragile, not less

James A. Donald jamesd at echeque.com
Tue Mar 27 23:45:56 UTC 2012


On 2012-03-28 5:06 AM, Zooko Wilcox-O'Hearn wrote:
> Folks:
>
> I've heard many stories of people losing their files from a Tahoe-LAFS
> grid even though they had erasure coding parameters that provide
> massive fault tolerance such as 3-of-10 or 4-of-8. In fact, I think
> approximately 90% of all files that have ever been stored on a
> Tahoe-LAFS grid have died. (That's excluding all of the files of all
> of the customers of allmydata.com, which went out of business.)

It seems to me that this would be solved if it was 80 of 100, and those 
100 entities were genuinely independent

But Tahoe fails to scale socially to one hundred genuinely independent 
entities, hence my argument with you about centralization.




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