I’m a bit stuck at the moment and hoping I can get some guidance. Right now I store my media and other files on a few external drives connected to one of my Proxmox nodes, and passed through to an OMV VM. I backup everything important off-site.

I’d like to separate my storage from my Proxmox nodes into a dedicated NAS and dip my toes into ZFS and also Proxmox high availability. I also want to roll open source software (probably TrueNAS) on the NAS, but I do not want to build an entire PC. The off-the-sheld Synologys and the like seem like overpriced hardware especially if I’d prefer an alternative software.

I am considering getting one of the used business PCs or other mini-pc and connecting a USB-C DAS up to it and installing TrueNAS on the mini-pc.

Is this a viable approach? Am I setting myself up for a system that I’ll want to upgrade in a couple years?

Here is an article that describes a similar approach: https://www.androidauthority.com/cheap-diy-nas-server-3348392/