Fajar Priyanto wrote: > Hi all, > Sorry for the OT. > I've got an IBM N3300-A10 NAS. It runs Data Ontap 7.2.5.1. > The problem is, from the docs it says that it only supports either > RAID-DP or RAID4. > What I want to achieve is Max Storage Capacity, so I change it from > RAID-DP to RAID4, but with RAID4, the maximum disk in a RAID Group > decrease from 14 to 7. In the end, either using RAID-DP or RAID4, the > capacity is the same. > > Now, why RAID5 is not supported? I believe using RAID5, I can get more > storage capacity, can't I? > Design/marketing decision for the features of the board? > I also notice with some onboard RAID controller, they only support > either RAID0, RAID1, or RAID1+0. No RAID5. > They do not want to go through the trouble of implementing raid5 for that particular board or they want raid5 to be available on more expensive options or ...etc > What's wrong with RAID5, is there any technical limitation with RAID5? > Not with the technology itself. They are just not offering raid5. If you have a problem with that, get another product or go to another company.