Disk space not reported correctly in WebUI (ZFS)

Jun 19, 2024
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Hi, everyone; this is my first posting here. I'm sorry if this is the wrong place to ask this.

I am deploying a new server in my Organization that has Proxmox. We're a VMWare shop that is moving away from them. I have this new server with 16 3.84 TB NVMe drives that I set up in a RAIDd2 setup. The WebUI shows there's 20.26TB total available; however, when I look at the ZPool in the command line, it's 55.6T


NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT
MainStorage 55.9T 270G 55.6T - - 0% 0% 1.00x ONLINE -


Will this be a problem once I hit 20T in usage?

Is RAIDd2 an ok option? or should I have gone with RAIDz2?
 

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