eSATA RAID 1 as slow as FW800 (non RAID)??

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got hands on friend's external drive , testing transfer rate, 8 g or of files. should sequential read right? esata faster... think.

why transfer speend same approximately transfer fw800 external drive? because it's raid 1? , mirroring?

thanks!
 

it's because hitting limit of drive mechanism's transfer capability sooner seeing difference between esata , fw800.

raid 1 managed hardware controller in drive enclosure, or software raid? raid 1 have overhead.

also, can't compare transfer rates on 2 different hard drives. if 1 of them 90% empty, , other 90% full, full 1 might perform as 50% slower. not mention if there differences between mechanisms.
 


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