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The original was posted on /r/datahoarder by /u/Squiggly-Wiggly on 2023-08-30 18:37:52+00:00.

I am planning on upgrading my current setup. I currently have 3 of the WD Red NAS drives configured in a RaidZ1 configuration. I would prefer a z2 configuration but when I built my setup I could only afford the 3 drives. Currently, write speeds are PAINFULLY SLOW. With the current setup I am only getting the write speed of a single HDD which puts me at about 20 MB/s. I am looking for advice on how to configure an upgrade to both provide at least 2 disks of parity and balance speed. I am looking at having 8 - 10 drives in total. Should I setup 2 z2 pools and stripe data between them? I have seen posts where people talk about getting much higher write speeds with HDDs, so if you possess some of this sacred and ancient knowledge please share :)