On 04.Mär.2013, at 17:20, John Plemons wrote:
> Raid 10 is a mirrored stripped set of at least 4 driver.
You can of course build a layered raid 0 above some raid1 arrays, but linux md raid10 is another beast. Actually you can build a raid10 with only 2 disks. The theoretical benefit is that is is striped, so even one single process benefits from it. If you use raid 1 a single process does use only 1 disk as far as I know.
http://en.wikipedia.org/wiki/RAID#Non-standard_levels
One disadvantage is that you can not grow or expand it easily, which means it is inflexible, which is why did not want to use it.
--
Kind Regards, Markus
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