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Table below contains a RAID levels comparison. The notes range is 0 - the worst to 5 - the best. The notes are based on http://www.pcguide.com/ref/hdd/perf/raid/levels/comp.htm
and modified according to gathered experience and the fact that we are considering the same amount of drives in every RAID structure. To compare performance we assume that we make each RAID structure using the same number of drives and we use one thread to read or write data from or to the RAID structure.
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