[SOLVED] How exactly is RAID 0 speed calculated?

w41g872

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Feb 5, 2016
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For example, for an action (which could be seq w/r or 4k w/r, etc.). Four drives individually obtains the speed S1 < S2 < S3 < S4. When all four drives form a RAID 0 sector, when performing the same test, ignoring the computational overhead, what will the resulting speed be? Will it be S1 + S2 + S3 + S4 or 4 x S1? That is, will the resulting speed be the sum of individual speed, or is it bottlenecked by the lowest one?
 

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