> [quote] > RAID 10 > RAID 1+0 (or 10) is a mirrored data set (RAID 1) which is then striped > (RAID 0), hence the "1+0" name. A RAID 1+0 array requires a minimum of > four drives: two mirrored drives to hold half of the striped data, > plus another two mirrored for the other half of the data. In Linux MD > RAID 10 is a non-nested RAID type like RAID 1, that only requires a > minimum of two drives, and may give read performance on the level of > RAID 0. > [quote] Please do note that md raid10 IS different from doing nested md raid1+0. The md raid10 module does other fancy stuff.