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 1 week ago* (last edited 1 week 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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[–] snekerpimp@lemmy.world 6 points 1 week ago (1 children)

Have you made sure your ram modules are all good? Was getting funky behavior with truenas in a proxmox vm, come to find out one of my 32gb sticks was bad. Removed the stick, no funky behavior. Replaced with a different stick, been solid since, maybe a year and a half on now.

[–] fleem@piefed.zeromedia.vip 2 points 1 week ago (2 children)

This is what i am hoping to avoid! But no not yet. Does debian/proxmox have a built in memtest? or is this through bios? OR do i just start removing/swapping RAM?

[–] snekerpimp@lemmy.world 1 points 1 week ago (1 children)

I have NetBoot.xyz on my network for ipxe booting. They have memtest as a boot image, ran that for a few days. I don’t remember if it found the stick that was bad or if I just started pulling and booting and process of elimination.

[–] fleem@piefed.zeromedia.vip 1 points 1 week ago (1 children)

man that sounds heckin awesome. It is too bad this is the machine i woulda had a netboot setup configured on!

[–] snekerpimp@lemmy.world 2 points 1 week ago

Do you have an old raspberry pi or laptop? Netbootxyz will run on a potato with ethernet.