grub

  1. [SOLVED] suddenly, grub fails to boot PBS

    Today, I started my Proxmox Backup server, and grub fails to boot. The server is a repurposed old machine with two 4TB HDD with ZFS RAID 1. This kind of failure happened to me in the past with PVE, when I was trying to have ZFS disks connected to a Dell PERC controller (an unhealthy idea that...
  2. VM Boot lvmid issue. Grub rescue

    Hello, I want to move several VMs from a Proxmox 5.4-15 server to a Proxmox 6.3-3 server. Procedure : - VM stopped - created a backup of VM - copied backup to Proxmox 6.3-3 server to /var/lib/vz/dump - created the VM on the new Proxmox 6.3-3 serverxmox 6.3-3 server with qmrestore - When trying...
  3. [SOLVED] Grub + dnodesize = auto => grub rescue, unknown filesystem

    Hello, I have a proxmox (v5.4 I think) machine installed on ZFS, including the root filesystem. Then, quoting proxmox wiki, it should have been installed with systemd-boot instead of grub2. The thing is that the machine has grub2 (don't know why, I have inherited it like that) and after...
  4. [SOLVED] Black screen after GRUB during install

    I'm attempting to resurrect an old PC and dip my toes into the Proxmox waters. I've run into a snag at the very beginning of this and have tried several solutions to no avail. The issue: Immediately after the 'Loading initial ramdisk ...' message the screen goes black and nothing happens. The...
  5. 6.3.1 on Dell R710 not booting: grub lvmid not found

    I like to think I'm pretty handy with Linux, but this issue has me at the end of my wits. I'm trying to install Proxmox VE 6.3.1 on a Dell R710. The installation process appears to work as expected, but when I reboot, grub panics with the following error: error: disk...
  6. [SOLVED] Updated bios now stuck on reading all physical volumes...

    I am in desperate need, I have messed up.. I had an issue with a new m.2 SSD not showing up so I decided that updating my bios might be a solution. However after I updated the bios all the settings changed to default and I had to redo them. After redoing the settings as I remember them...
  7. [SOLVED] Host Unknown Filesystem, rescue mode on boot

    So I believe I'm in the same boat as this thread: https://forum.proxmox.com/threads/grub-rescue-recover-data.55084/ However I am stuck at mounting the logical volume in order to recover the lvm meta data. Cause of problem; Yesterday we had several successive power cuts and at some point my APC...
  8. Proxmox 6-2-6 stuck during update / help request or any suggestions?

    Hi, I have a small weird problem, wondering if anyone has seen this. Proxmox 6.x host running on a stock template install on OVH environment (SW raid 2x2tb config which OVH provide and I've used many times before without issue). Normally when I do updates on such an environment, I do apt-get...
  9. Proxmox host and client: backup and restore steps

    Hi! I also read this before I post. I still new with Proxmox but I like it! :) I have a latest Proxmox server using only 1 physical (home) server with Linux software raid, mostly for: samba: file sharing: movies, music (for raspberry pi music players) and for windows notebooks for movies...
  10. Cloning PVE 6.1-2 From One Disk to Another

    New to Linux so forgive my ignorance about anything. Hoping to switch off of HyperV. I setup a single 120GB SSD non-UEFI computer with the storage defaults (Not ZFS). I customized a great many things and then used a HDD duplicator to clone to a 250GB destination disk. To my surprise the cloned...
  11. [SOLVED] Booting to grub prompt after updates.

    I am running version 6.1-7 on a 2+1 node setup. After I ran updates on both nodes, it gave me a message that a new kernel was installed so I rebooted one server after migrating the active VMs to the other. I waited a little over 10 minutes for the server to come back up and nothing. I...
  12. [SOLVED] PROXMOX INSTALL | error: unknown filesystem.

    Guten Abend, Ich habe mir am Gestrigen Morgen drei mal einen ProxMox install USB-Stick erstellt. Doch bei jedem mal, wenn ich in den installer booten möchte, werde ich in den GRUB RESCUE-Mode versetzt und mir folgendes angezeigt : 00...
  13. GRUB errors & HP Servers

    I have recently installed PVE 6 on a HP proliant DL360e Gen8, 2 Drives with a ZFS pool. Multiple reboots worked fine and the server would restart correctly then I upgraded it to 6.1 after the upgrade the server would not boot - the error " error: no such device: (hex) error: unknown...
  14. ZFS attach on boot-drive - Is there a right way?

    Hello everybody! I had an strange situation this weekend and was wondering if there would be a "right" way to to what I did. I have an server with only one SSD as boot drive, which was installed with ZFS by the proxmox installer. This was arround 6 months ago. This weekend, I added an second...
  15. [SOLVED] Proxmox startet nicht mehr nach Kernelupdate (grub prompt)

    Wir haben Proxmox mit ZFS für die Systemplatte aufgesetzt, hat bis jetzt auch reibungslos funktioniert, auch Neustarts. Nach dem letzten Kernelupdate hat der Node automatisch einen Neustart gemacht und landet jetzt immer nur noch im GRUB prompt. Versuche, den Resuce mode zu starten, scheitern...
  16. [SOLVED] Command line from /etc/default/grub not applied and PCI passthrough not working

    I'm playing around with Proxmox 6 and PCI/GPU passthrough in a desktop PC with two graphic cards. I basically followed the Proxmox guides and some other tutorials out there. The setup also already works perfectly for both GPUs with near native performance in the VMs but unfortunately only as...
  17. update-grub hanging

    I'm unable to apply updates on my Proxmox server. Currently running: Linux pve 5.0.21-1-pve #1 SMP PVE 5.0.21-2 (Wed, 28 Aug 2019 15:12:18 +0200) x86_64 GNU/Linux Attempts to apply updates fail as follow: root@pve:/boot/grub# apt update Hit:1 http://download.proxmox.com/debian buster InRelease...
  18. After 6.0 Upgrade Proxmox will not boot without and Error

    When I went to reboot a machine after upgrading grub gave me an error of "unaligned pointer 0x9e" I've tried to reinstall the 5.0 kernel to see if that would fix anything but It has not. I can get the system to boot when I use the Proxmox installer ISO in rescue mode. But I cannot figure out...
  19. Toxik

    Question about root disk failure

    Hi, I've got a Proxmox installed on a ZFS RAID1. I've also noticed that the two root disks have 3 partitions: "BIOS boot", "EFI system" and "ZFS". I wonder what happens, when one of the root disks fails. For ZFS it should not be a problem, but what about booting the system? Are the first 2...
  20. [SOLVED] Grub boot ZFS problem

    Hey guys! Inquiring about the Grub boot ZFS problem issue: https://pve.proxmox.com/wiki/ZFS:_Tips_and_Tricks#Grub_boot_ZFS_problem I have a couple of Dell R620 and some boot normally and some don't. The setup is identical. Has anybody managed to get to the root of this issue? Details: The...

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