On Mon, 15 Apr 2013 16:19:39 +0100 Robin Hill <robin@xxxxxxxxxxxxxxx> wrote: > Given the rebuild time for a 1To disk, I'd be wary of running RAID5 - if > you have the space, adding another disk and going to RAID6 will be much > safer. As I see it, 3 disks is about the only configuration where RAID5 still does make sense. 4 disks is a tricky spot, RAID5 already feels a bit too dangerous, but RAID6 is still not space-efficient enough. 5-disk (and more) RAID6 is the way to go, but changing from 3 disks to 5 or more is not always justified requirements/cost/space-wise. -- With respect, Roman
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