On Thu, Feb 19, 2015 at 4:12 PM, D. Hugh Redelmeier <[email protected]> wrote:
> | From: D. Hugh Redelmeier <[email protected]> > > | It offers me RAID 1, RAID 0, and "none". I don't think that I want > | either RAID and I'm not sure what "none" is. > > Here's an explanation: > > ● Mirror (RAID 1) > Uses half of the storage space for protection, leaving half for actual > data. > ● None (RAID 0) > Uses all of the storage space for data. Does not protect against data > loss in the event of drive failure; however, the drives are striped > for better performance. > ● None > Uses all of the storage space for data, providing contiguous storage > space by concatenating all member drives. Does not protect against > data loss in the event of drive failure. > > So none of these choices do what I want. > > I might be willing to give up half the space if there were a feature like > Windows Home Server's "folder duplication". I think that this duplicates > files on a different volume. > Why not use RAID10 so you have striped AND mirrored. That should give you your performance and some security. (One can always have more security!) Haven't had any issue but a single drive failure (that I've just gotten a replacement drive for and am working on its implementation into the array) in three years. I've not had any issues with speed nor capacity. (My array is 4 1TB drives.) YMMV Dee
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