> And stick with md-raid 10 (also known as software raid) because it is > much more intelligently designed than any > closed-source-embedded-raid-controller. This was valid until...quite a few years ago. > > Nowadays hardware raid frightens me because of the need to have spare > raid-controllers for every hardware-raid-configuration I have. They > are neither interchangable nor easily recoverable. You seem to have been living under a rock for the last half decade. > > md-raid 10 can be established with any number of disks (at least 3 but > better check with google) Hmm, I think your advice must be taken with a grain of salt. Have you actually tried to do what you suggest? In any case, I will give you the benefit of the doubt that you just did a typo.