![]() ![]() Robots generate a lot of data that we want to store. We are a robotic company, and we use advanced algorithms including AI to make autonomous robots. I would like to build this for the office. I was planing to use FreeNAS and ZFS for RAID configuration. This is very informative to me, I'll dig deeper into the links and proposed solution. Reliability, fault tolerance, low downtime, maximum speed, maximum value? I use unRAID at home because I want some redundancy but mostly just ease of use and value, but would also consider something running ZFS as I tend to like software solutions rather than hardware.įor good home server build information and research, check out, and /r/datahoarder. In terms of RAID levels and arrangement, it really depends what you want out of the system. Alternately a HBA with at least 6 SFF-8087 connectors will get you to 24 drives. (now for my personal opinion and advice) In 2020 if I were doing a DIY storage pod style setup and wanted 24 drives, I'd go with a PCIe LSI HBA connected to a SFF-8087 to SFF-8087 cable, then to a PCIe SAS expander with at least 6 SFF-8087 connectors, and then SFF-8087 to 4 SATA breakout cable for each group of 4 drives. Performance wise it was very good, but they were expensive (at the time, the card was $700?) and we had some reliability issues. We did try SAS Expanders in the "direct wire" 4.0 Pod. Performance for our needs is fine - they share bandwidth between all 5 drives on the expander so there can be some saturation issues for some workflows, but ours is distributed enough to not be a problem. Our storage pods use SATA Port Multiplier Backplanes (the Sunrich ones) for a couple reasons: they're cheap (in bulk for us at least), they're something we're familiar with, and at the time we designed the very early pods, they were really the only thing available at reasonable prices.
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