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SubjectRe: FYI: RAID5 unusably unstable through 2.6.14
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Phillip Susi <psusi@cfl.rr.com> writes:

> but only slightly so, and in any case, a 3 disk raid-5 is FAR more
> reliable than a single drive, and only slightly less reliable than a
> two disk raid-1 ( though you get 3x the space for only 50% higher
> cost, so 6x cheaper cost per byte of storage ).

Actually with 3-disk RAID5 you get 2x the space of RAID1 for 1.5 x cost,
so the factor is 1.5/2 = 0.75, i.e., you save only 25% on RAID5 or RAID1
is 33% more expensive.
--
Krzysztof Halasa
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