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How do I build and maintain ~100TB storage in my home?

budget: 10~20k USD (not affordable for most branded solutions); essentially no throughput requirement; can stop external I/O to recover/replace failed disks, have air-conditioner in basement; need reliability, data is quite valuable and cannot upload to public cloud; need hw/sw suggestions. thanks!

1 Answer
LI Xin

You should be able to use a 36-bay (or slightly more or less bays) barebone storage servers from various vendors for it if you really want to DIY, with FreeNAS, ZFS with reasonable amount of ECC (I really mean it, don't even think about non-ECC for this kind of system) RAM. You can get the hardware from your favorite distributor and assemble yourself. Given the size of system I recommend you to have one or two of hard drives in your shelf in addition to standard hotspare.

It doesn't hurt to ask someone like iXsystems for a quote (while probably still stay within your budget) though.

BTW. if you can't afford losing any data you would need to have at least two systems in geographically different locations (so you don't lose data in case there is a fire, etc), but I think that would be beyond your budget.