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Does using Raid 1 (Linux software raid) improve the read speed of data? How is it compared to Raid 0 ?...
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  1. #1
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    Raid 1 - improved read speed?


    Does using Raid 1 (Linux software raid) improve the read speed of data? How is it compared to Raid 0 ?

  2. #2
    Linux Guru Rubberman's Avatar
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    The short answer is "no". Raid-0 (striping) will generally have better read performance than Raid-1 (mirroring), but not necessarily. Raid-0 will definitely have better multi-access throughput though than Raid-1. There is some discussion in this wikipedia article about performance characteristics of the various RAID configurations: RAID - Wikipedia, the free encyclopedia
    Sometimes, real fast is almost as good as real time.
    Just remember, Semper Gumbi - always be flexible!

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    And what about Linux software raid 10? Found a little performance comparison but would like to know more about it if anyone tried using and comparing it.

    https://raid.wiki.kernel.org/index.php/Performance

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