1. S

    Couldn't find EFI system partition

    I'm finding various discussions of this same issue, but am afraid of blindly following "fixes" without fully understanding the issue. I did find this wiki article: ZFS: Switch Legacy-Boot to Proxmox Boot Tool When I updated my kernel, I saw the following error messages: Re-executing...
  2. M

    EFI stub: loaded initrd from linux_efi_initrd_media_GUID device path

    I added another SATA SSD drive to my host and extended my one ZFS storage pool it worked great but after rebooting my host I get stuck at EFI stub: loaded initrd from linux_efi_initrd_media_GUID device path. I've created a bootable USB drive with the Proxmox 8 ISO image on it and can boot from...
  3. A

    Root ZFS on LUKS | Last questions (hopefully :) | Delaying the zfs import during boot

    So after a couple additional days of troubleshooting i think i am finally quite close to getting it fully working and as soon as thats the case i am planing to write a full guide for all people that want to do a similar setup in the future since i couldnt find any real guides for proxmox /...
  4. O

    Passthrough nvme - issue?

    Hey there, I've got a few questions / issues regarding a nvme ssd passed through in a VM. The server has 2 nvmes - one as LVM storage for VM disks, another (Seagate BarraCuda Q5 ZP10000CV30001) passed in a VM. The VM is Windows 11, installed directly onto that nvme as ovmf Q35 ***without*** an...
  5. A

    Bootable disks replacement and ZFS on Proxmox 6.1-8

    Hello! I need help. Proxmox 6.1-8 It was installed on pool of 4 HDD, and two of them contains boot and efi partitions. I need to replace all 4, they are too old and unreliable. One of this disks is already faulted, I've detached it (zpool detach /dev/disk-by-id/disk_id and then physically), and...
  6. G

    Installation Failing: "Failed to prepare EFI boot using Grub"

    Hey all! I'm looking at trying out Proxmox on an old T420 Thinkpad laptop I have lying around. I created a bootable USB of the latest version (7.3-1) of Proxmox and filled out the installation wizard. I ended up getting to the end, at 99% complete, and am greeted with this message: >...
  7. D

    Boot hangs at 'EFI Stub: Loaded initrd from command line option' when booting 5.15.83-1-pve

    I have been running 5.15.74-1-pve just fine, and am able to boot this kernel release without any problems. 5.15.83-1-pve will hang and require a power cycle to get back into the boot prompt to select another kernel. I have already tried 'update-initramfs -k all -u' and 'pve-efiboot-tool...
  8. R

    [SOLVED] Recover From Grub Failure: Can't find LVM

    I can't upgrade https://pve.proxmox.com/wiki/Recover_From_Grub_Failure this wiki entry so I will add this update for anyone who needs it with EFI. After changing out a GPU in my computer I came across this grub rescue screen. error: disk `lvmid/[LVMID]' not found. grub rescue > I needed to...
  9. O

    [SOLVED] Physical drive EFI disk passthrough issues.

    I created a new virtual machine on proxmox using OMVF for UEFI support for my Arch Linux install, after finishing setup I shutdown the VM, detached the CD/ROM drive, and used "qm set <VMID> -efidisk0 /dev/disk/by-id/<DISKID-PART#-OFEFI>,efitype=4m,format=raw" followed by "qm set <VMID> -scsi0...
  10. C

    EFI boot fails after block copy to new device

    Hello, I had a severe issue with OS disk (using BTRFS) and must replace it. This means I started block copy using dd from old disk to new SSD; I performed the following steps: 1. block copy with dd from old to new device 2. extend root partition 3. resize BTRFS of relevant partition Then I...
  11. S

    Failed to add the EFI boot entry on Guest

    Hey folks, Trying to install some debian UEFI guests (Ubuntu 22.04 & Debian 11.5 with the same results), and I'm having issues with the installer failing at EFI install step: VM Info: ``` root@pve02:~# cat /etc/pve/qemu-server/101.conf acpi: 0 agent: 1 bios: ovmf boot: order=ide2;net0...
  12. K

    EFI Disk not saving EFI settings after shutdown

    I've got a VM which keeps resetting efivars on cold boot, resulting in it trying to boot from CD->PXE->HTTP and then finally HDD, It does have an EFI disk, which I've tried recreating across a couple different storage pools to no effect. Each time i recreate it, I add a boot entry, change the...
  13. C

    [SOLVED] Need help with swapping a couple of small drives with bigger ones and switching to EFI on ZFS

    I need some help replacing a couple of smaller drives with another couple of bigger ones, while maintaining the same ZFS filesystem but enlarging the pool and also switching to EFI boot. This is on PVE 6.4 in preparation for upgrading to 7. This is what /dev/sda and /dev/sdb look like right...
  14. Z

    Import EFI-based Linux VMs from ESXi to Proxmox

    Hello, I'm migrating my homelab from ESXi 6.7 to Proxmox 7 using the ofvtool. I didn't have any issues with bios based VMs, but I hade some appliances deployed that has efi bios by default and I'm getting this error from ovftool when i launch the copy: - Line -1: Unsupported value 'firmware'...
  15. T

    How to switch from legacy to EFI boot

    So my setup is I installed a version prior to Proxmox VE 6.4 on my server and recently updated everything to VE 7.1. Since the installation was done in legacy mode I switched to the "Proxmox Boot Tool" which was recommended because of problems with GRUB and ZFS. So I used this tutorial...
  16. M

    Unable to install grub on Intel S5520HC / efi related?

    hello all, as the title suggests, I am unable to install grub on my server. The installation went fine until the point of installing grub. But the installation seems to be intact and I am able to boot via "Rescue Boot" from an installation media. I can create VM's etc all fine. But if I try to...
  17. R

    proxmox 7.0 (failed to prepare EFI)

    Hi Everyone I m trying to install proxmox in my DELL Poweredge R720 i have the dell perc H710p mini installed so i have a raid 0 on 2 intel ssd's and although i managed to installed it the first time without any errors i broke up the raid to install it directly on my drives but that did not...
  18. mattlach

    Migrate Host ZFS Boot "rpool" from MBR to UEFI booting?

    Hey all, I run a standalone Proxmox server which I have been upgrading in place for years. I am currently on 6.x, not having upgraded to 7 yet. It was a clean install on Proxmox 4.2 I believe. When i initially installed it, I set it up to boot from a ZFS mirror of two SATA SSD's using...
  19. J

    [SOLVED] Issue installing Proxmox 7 on Dell R720 in UEFI mode.

    I am having issues with installing Proxmox 7 on one of my DELL R720. The installation goes fine until it is setting up the bootload and then I get and error on the console: Searching for this issue give lots of results for arch linux but not during the install phase. Not sure how to proceed...
  20. W

    Efi error during installation

    Hi, I’m new here. I‘d like to create a little server from pro and dell wyse Z90d7. I have Eli error during the end of installation: “cannot install efi to dev/sda2. I’ll try version 5, 6 and 7. Always the same issue. When I use rescue installer finds the proxmo, and I can login to server. I...


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