this post was submitted on 17 Dec 2025
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moved from truenas core to scale a month or two ago, and it's been a struggle. anyone else having issues running a truenas scale VM under proxmox? (piefed.zeromedia.vip)
submitted 6 days ago* (last edited 6 days ago) by fleem@piefed.zeromedia.vip to c/selfhosted@lemmy.world
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UPDATE EDIT:
Man it is crazy to watch the dashboard and console at the time. Even with no HDD's spinning, and as much RAM as I can give the Scale VM, services just slowly takes over the RAM, until the console shows kernel panic.

core was solid for so long with everything i threw at it.

it runs out of memory after services soaks up all the RAM, ZFS cache is choked down to 3gb out of 16.

  • xeon E3 1265LV2
  • Asus p8z77-v-deluxe
  • 32GB DDR3
  • hba passed through to truenas running a mirror pool

VM for truenas is running on the local proxmox SSD.

  • proxmox 9.1.1
  • TrueNAS scale 25.10.0.1 but i tried a 24 version also

once the install starts crashing, the VM will still crash after booting up without the HBA card

I've seen a few posts with other people having the out of memory issues (OOM) but almost every reply says it will be fixed in the next update, which is older than what we've got now.

it did run okay enough JUST long enough to make the mistake of updating the ZFS flags, so now i can't roll back to core.

does scale have this issue because it's virtualized? would it run better on bare metal?

anyone tried xigmaNAS? freeBSD based again at least.

Unraid looks okay, but paywall?

open media vault?

any advice or discussion is appreciated!

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[–] suzune@ani.social 4 points 6 days ago (2 children)

Next time, when you make major changes like ZFS upgrade, create a checkpoint and keep it for a while. You can roll back everything, even the pool version.

I personally like to run ZFS on a bare metal server, just the plain OS, no further "NAS" or virtualization software.

I don't really know what your use cases are, so I cannot tell if it's adequate for you.

[–] possiblylinux127@lemmy.zip 1 points 4 days ago

TrueNAS should do that automatically for the OS

[–] fleem@piefed.zeromedia.vip 1 points 6 days ago

One thing I can be certain of, is that I barely know enough to have this stuff going!

Will learn more about ZFS checkpoints! thanks for the tip