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Dual RR4312X replacement for Multiple desktop NAS models - best RAID Level /Hard drives to use?
we own multiple desktop readynas boxes of different drive sizes (see photo) and are looking to consolidate into 2 new RR4312X models that will be located in 2 different offices with the idea of Nightly replication/Rsync (data identical -users access their local NAS) Currently the NAS support 40TB each (about 27TB used 12TB Free) Raid-6 on 8 bay 528X/628X with 2 EDA500 (different volume) for a total of 12 bays each.. For the new 4312X We are debating if we should just continue using RAID6 with the nightly replication or if Raid50/60 would be a better choice for performance given the nightly replication between NAS boxes (Raid10 takes away too much capacity) The other issue some of the hard drives are older (anything under 4TB has a few ATA errors & only shows a few timeouts during rebuilds) We are also trying to figure out the best way to expand the capicity of both of the new NAS servers to the same storage space (taking into account the HD's we already own) for example would it be better buying more lower cost 6/8TB given our current configuration - instead of fewer 12TB etc. thanks
