On Mon, Oct 12, 2009 at 10:14:27PM +0200, Florian Faber wrote:
> > the failure of each individual disk is a statistically independent
More likely is not the same as failure times clustering.
The latter will happen only in extreme cases, e.g. if your
server catches fire, or all disks get the same wrong power
voltages, etc. In such cases *all* disks will fail within
a short time, and there's little you can do about it.
In normal circumstances failure times are independent
random variables, even if their expected values are
scaled by the same ratio.
Io lo dico sempre: l'Italia è troppo stretta e lunga.
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