[CentOS] distributed storage/home-made cloud recommendations

Sun Feb 5 22:47:39 UTC 2012
John R Pierce <pierce at hogranch.com>

On 02/05/12 2:42 PM, Boris Epstein wrote:
> What you are saying seems to make sense actually. I wonder how much a RAID6
> with a few spares would make sense. If we are talking a large number of
> disks then RAID 6 + 2 spares means overpaying only for 5 disks. Not a lot
> if the total number of them is, say, 20.

except, you don't want more than about 12 disks max in a single raid5/6 
group, or the performance penalties become enormous and the rebuild 
times become astronomical.

john r pierce                            N 37, W 122
santa cruz ca                         mid-left coast