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Questions about migrating a ZFS RAID (self.selfhosted)

submitted 5 months ago* (last edited 5 months ago) by Presi300 to c/selfhosted

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I've recently been looking at options to upgrade (completely replace) my current NAS, as it's currently more than a little bit jank and frankly kinda garbage. I have a few questions about that and about migrating my current TrueNAS scale installation or at least it's settings over.

Q1: Does the physical order of the drives matter? I.E. The order they are plugged into the SATA ports.

Q2: Since I have TrueNAS scale installed on a USB flash drive (yeah, ik you're not supposed to but it is what it is), how bad of an idea would it be to just... unplug it from my current NAS and plug it into the new one?

Q3: If all else fails, how reliable is TrueNAS scale's importing of ZFS Pools and are there any gotchas with it?

Q4: Would moving to a virtualized solution like proxmox and installing TrueNAS scale on top of that in a VM make more sense on a beefier server?

E: Thank you all for the replies, the migration went smoothly :)

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[–] Presi300 1 points 5 months ago* (last edited 5 months ago) (3 children)

I've been running TrueNAS scale for a while and my only issue with it has been having to create a virtual bridge so that my VMs can ping the host and vice versa, been a pretty smooth experience other than that. As for the performance overhead... my replacement server is VERY beefy, compared to my old one so I couldn't care less lol.

[–] pete_the_cat 1 points 5 months ago (2 children)

I agree, the VM management could be easier. I don't understand why I can't have two NICs in the same subnet as long as they have different IPs.

The bigger annoyance for me was there was no way to tell what disk is attached where in the VM device listings since it only shows the boot order and not labels or paths.

[–] Presi300 1 points 5 months ago (1 children)

Can't you just bridge the 2 NICs?

[–] pete_the_cat 1 points 5 months ago

Yeah, but I should be able to have them separate as well like I can in every other Linux distro. In TrueNAS they force you to have them in separate subnets for some reason.