Re: [Veritas-bu] Tapeless backup environments?
2007-09-26 16:11:59
> Pls read my other post about the odds of this happening.
> With a decent
> key space, the odds of a hash collision with a 160=bit key
> space are so
> small that any statistician would call them zero. 1 in 2^160. Do you
> know how big that number is? It's a whole lot bigger than it looks.
> And those odds are significantly better than the odds that you would
> write a bad block of data to a regular disk drive and never know it.
I did read your other post, and addressed your numbers. C Freemantle
makes the same point I do, perhaps more clearly, in his "birthday
paradox" posting.
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