Raid 1+0

Steve O'Hara-Smith steve at
Tue Apr 19 18:56:52 UTC 2016

On Mon, 18 Apr 2016 17:05:22 -0500 (CDT)
"Valeri Galtsev" <galtsev at> wrote:

> Not correct. First of all, in most of the cases, failure of each of the
> drives are independent events 

	If only that were so. When the drives are as near identical as
manufacturing can make them and have had very similar histories they can be
expected to have very similar wear and be similarly close to failure at all
times, which makes it likely that the load imposed by one failing will push
another over.

Steve O'Hara-Smith <steve at>

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