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  1. Live Migration with GVT-g (mdev) passthrough device?

    Hi There, I currently have a 2-node Proxmox 6.1 cluster (3rd node is qdevice) where both nodes are the same hardware spec and support Intel GVT-g (mediated device) Passthrough. I know live migration between nodes is not possible with standard GPU device Passthrough but, if GVT-g enables the...
  2. Changing selected kernel for boot (systemd-boot) on headless PVE Host?

    Hi There, I currently have a 2-node PVE 6 cluster (and 3rd node QDevice), with the 2 nodes operating headless with PVE installed as ZFS on EFI (systemd-boot). If I want to test the new PVE Linux 5.3 kernel on one of the nodes, I understand that I just need to do: apt update && apt install...
  3. Local/Remote Snapshots of Physical PVE Host/Node (ZFS)?

    Hi There, I'm trying to figure out if there is an easy way to use the ZFS filesystem of the Physical PVE Node to make local/remote snapshots of the host filesystem? I know there is away to replicate local VM disks from local-zfs (Physical PVE Node 1) to local-zfs (Physical PVE Node 2) but...
  4. Replace/Clone cluster node SATA SSD to NVMe?

    Hi, I’m thinking of replacing the single SATA SSD (500GB Samsung 860 Evo) disk in one of my PVE6 cluster nodes with a 500GB Samsung 970 Evo Plus NVMe disk... Should this simply be a case of using clonezilla to clone the SATA SSD to the NVMe and then booting PVE6 from the NVMe or would there...
  5. Intel IGP (Gemini Lake) Passthrough (q35) fails to boot on Ubuntu 18.04.3 LTS – i915 conflict detected with stolen region

    Hi There, I currently have a headless Intel NUC7PJYH and can passthrough the Intel IGP to a VM running Ubuntu 18.04.3LTS as long as the machine type is set to “Default (i440fx)”. I don’t use the passthrough Intel IGP for graphics output, I just pass it through as a secondary graphics card (the...
  6. [SOLVED] Lots of "CPUx: Package temperature above threshold, cpu clock throttled" syslog entries?

    Hi There, I have a NUC8i5BEH (Intel Core i5-8259U CPU) node and noticed that my proxmox syslog (running Proxmox PVE 6 but also occured on PVE 5.4) often outputs the following set of critical errors throughout the day: 23/07/2019 23:26:56 crit pve-host1.local kern kernel...
  7. [SOLVED] Enabling IOMMU on PVE6 (zfs) compared to PVE5.4 (ext4)?

    Hi All, I did a clean install from Proxmox 5.4 (using single disk ext4) to Proxmox 6 (using single disk zfs) and notice that I don’t seem to be able to get IOMMU enabled under PVE6? I followed the following instructions (as I had with PVE5.4) but suspect that because I’m not booting zfs, it’s...
  8. Upgrade cluster node to Proxmox 6 (re-install) when already part of Proxmox 5.4 cluster?

    Hi, I currently have a Proxmox 5.4 homelab cluster (2 nodes + external qdevice) and plan to rebuild the cluster as Proxmox 6 via a complete re-install of each Node (since I want to move the underlying local storage to ZFS on UEFI). I’ve read the PVE6 upgrade guide...
  9. Online / Live Migration with ZFS-Replicated local VMs?

    Hi There, Is there a technical reason why Online / Live Migration of VMs that are replicated across local disks (from Node 1 local-zfs to Node 2 local-zfs) does not currently seem to be permitted? If this is not currently permitted / available, is it planned to be made available in Proxmox 6...
  10. HA Migration of VMs using local devices

    Hi There, I've seen this raised a couple of years back (https://forum.proxmox.com/threads/migrate-vm-with-local-devices.17369/#post-88296) and I'm wondering what is the best / recommended method for migrating a VM (with Intel IGP passthrough enabled) from one node to another? Currently, my VM...
  11. Proxmox USB/SD Card Boot Recommendations?

    In my home lab, I have 2 Intel NUCs (both only allow 1 * SSD and 1 * NVMe) and I’m currently booting them (UEFI) from the internal SSD. The 2 NUCs are setup in a cluster with an external qdevice for corosync quorum votes. I would like to use these internal SSDs as VM storage to maximise...
  12. Intel IGP Passthrough - Invalid PCI ROM header signature

    Hi There, Posting this more out of interest than an actual issue... I’m getting the following error in the Proxmox host syslog when starting a VM with IGP passthrough: Jun 8 16:08:51 pve-host1.local kernel: [309988.432878] vfio-pci 0000:00:02.0: Invalid PCI ROM header signature: expecting...
  13. Proxmox NFS Backup/Remote Snapshots

    Hi there, I currently have some VMs which are hosted on and run from a shared NFS share by the Proxmox hosts. I currently use Proxmox to backup (snapshot) these VMs back to the NFS share but this seems inefficient with the reads from NFS -> PVE host and writes back from PVE -> NFS host...
  14. Failed to add cluster node "401 No ticket"

    Can anyone help with the following error I'm getting after creating a cluster on a single node and attempting to add a second node to the cluster? I've created a cluster on the first PVE Node (call it NODE1) which has the following networks configured: DefaultLAN - 192.168.1.NODE1 ClusterHB...
  15. Cluster failover rules / VM priorities?

    Hi there, I currently have 2 standalone PVE nodes (pointing to the same NFS storage) and am thinking of clustering them with a 3rd qdevice node for HA. Both standalone nodes are (different versions of) Intel NUC, both with Intel IGP GPU which appears to Proxmox as the same ID. Currenty I run...
  16. Cannot login to Mobile Web UI when using 2FA (TOTP)

    Hi There, Looks like there is a bug in PVE 5.4-3 when trying to login to the Proxmox WebUI (Mobile Version) when TFA is enabled for the user. The error given is “Login failed. Please enter the correct credentials”. If the full WebUI is forced on a mobile device, the credentials are accepted...
  17. Recommendations for Proxmox local Filesystems (2 standalone nodes maybe moving to cluster later)?

    Hi All, Proxmox seems to offer a multitude of options for filesystems on the local disk(s). I started off by installing the default options on my 1 Node standalone server and noticed it configured the local 500GB SSD as follows: local - Directory - 94GB: /dev/mapper/pve-root (according to "df...
  18. Enable changing NFS version through GUI

    Hi There, By default it seems that Proxmox mounts NFS shares as NFS v3 and the only way to change this to NFS v4, v4.1 etc is to manually edit the /etc/pve/storage.cfg (options vers=<NFS VERSION>) on the host. Maybe this may be better if there was a simple drop down to select from in the GUI...
  19. Docker on LXC or VM?

    I'm considering running docker (and some docker containers) off of proxmox and wondered whether running docker inside an LXC or a VM would be better? I noticed from the following URL that it mentions that running docker in a VM would be better but gives no reason why this would be the case...
  20. Proxmox on Buster?

    Hi Guys, Is there a way to install Proxmox on top of Debian Buster (rather than Stretch which Proxmox ships with), or does there exist any testing Proxmox on Buster builds/installers? The reason I’d like to test this out is because the Intel vaapi drivers (i965-va-driver) are FAR more up to...

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