1. D

    [SOLVED] Intel ARC A750 PCIe Passthrough

    Hallo Leute, ich möchte meine Grafikkarte an eine Windows11 VM durchreichen und komme nicht weiter. Vielleicht ist ja jemand so freundlich und schaut sich das mal an. Zur Situation: UEFI Settings: Intel (VMX) Virtualisation Technology - enabled VT-d - enabled 1. Anpassung der Datei...
  2. I

    Hat Proxmox 8 neue zfs_arc_max settings?

    Hallo zusammen Hatte eine Proxmox 7 Kiste am laufen mit 64GB und 32GB ARC. Um umzusteigen auf volblocksize 16k habe ich Proxmox neu installiert. Nun scheint zfs_arc_max auf 8GB einstellt zu sein. Wurde das was am default geändert mit Version 8? Im manual steht noch immer noch 50%...
  3. E

    Proxmox randomly freezes or reboot

    Hi good day. We have a Proxmox system installed on a B560M DS3H V2 motherboard (Core i9-11900 11th gen, 64GB RAM). It have been working with no mistakes about a year, but since some months ago it started to randomly shutdown (sometimes it suddenly shutdown). We have clean reinstalled proxmox in...
  4. C

    High memory usage with ZFS

    Hello, I'm having a issues regarding the ram usage on our hypervisors. It seems there is ram going I don't know where. The hypervisor has 70GB of usable total ram. The current arc usage is 9GB according to arc_summary. I've calculated the amount of ram used by each LXC containers on the host...
  5. M

    Proxmoz 5.4 from ISO missing ZFS conf ?

    Hello, I installed 5.4 from iso, and I cannot find /etc/modprobe.d/zfs.conf to be able to limit the ARC. Am I missing something ? Thanks
  6. M

    Proxmox 6.1 with ZFS - High IO and Server Crash

    I cannot get my head around this, as I`m experiencing some very weird server IO delay and server crash. It seems I have this exact same issue [1][2]. The setup has ZFS + ZIL + L2ARC, however the RAM was getting used up to 100+ GB and the L2ARC was (and is set) to 150GB/read/write on the SSD...
  7. M

    [PVE 6.0] Cannot set ZFS arc_min and arc_max

    Hello, Just installed fresh pve 6.0 on 2 servers, the 2 are identical : root@proxmox02:~# pveversion pve-manager/6.0-2/865bbe32 (running kernel: 5.0.15-1-pve) I installed with ZFS for root partition : root@proxmox02:~# zpool list NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG...
  8. Y

    [SOLVED] Backup causes ZFS: arc_reclaim/arc_prune to nearly freeze system

    Hi, I'm have a backup-job scheduled which will daily backup my system. Sometimes while running the backup, the system will spawn one arc_reclaim and lots of arc_prune processes. All of these processes will eat up the CPU time and cause the VMs which are still running to run into (timeout)...
  9. C

    arc_prune stuck in D state

    Hello, There seems to be a problem with one of our server where the arc_prune is stuck in D state. Sync from the initramfs-update never completes and wait on something which make me believe it's the arc_prune. The server is a Dell R710 with 142GB ram and SSDs I also have a bunch of errors...
  10. S

    How much RAM for ZFS ARC + VMs on Proxmox?

    Hello, I'm currently close to building my new Proxmox rig and since ZFS is a first time for me, I was wondering about the need for RAM in my setup. I will run a 4x480GB SSD setup in RAID10 with ZFS. System memory is 64GB ECC RAM. Now, I will run 3 VMs for a start, needing 24GB, 8GB and 8GB of...


The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get yours easily in our online shop.

Buy now!