Problem. Doesn't boot in EFI

[Dmitrius7]

Hi,
I just upgraded to last version.

Currently system booted from grub. I need boot it from EFI.
But in boot menu I don't see EFI boot proxmox. (EFI at this sytem works normally I can boot from EFI live USB linux mint).


# proxmox-boot-tool status Re-executing '/usr/sbin/proxmox-boot-tool' in new private mount namespace.. B873-BAFF is configured with: grub FDCB-6E7A is configured with: grub

I see B873-BAFF is configured with: grub. As I understand it should be configured with: uefi.
How to switch?

Spoiler: Spoiler. apt update && apt dist-upgrade

root@pveetalon1:~# apt update && apt dist-upgrade
Hit:1 http://ftp.ru.debian.org/debian buster InRelease
Hit:2 http://ftp.ru.debian.org/debian buster-updates InRelease
Hit:3 http://security.debian.org buster/updates InRelease
Hit:4 http://download.proxmox.com/debian/pve buster InRelease
Reading package lists... Done
Building dependency tree
Reading state information... Done
1 package can be upgraded. Run 'apt list --upgradable' to see it.
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
pastebinit python-newt tmux
Use 'apt autoremove' to remove them.
The following packages will be upgraded:
pve-kernel-5.4.124-1-pve
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 60.7 MB of archives.
After this operation, 551 kB disk space will be freed.
Do you want to continue? [Y/n] Y
Get:1 http://download.proxmox.com/debian/pve buster/pve-no-subscription amd64 pve-kernel-5.4.124-1-pve amd64 5.4.124-2 [60.7 MB]
Fetched 60.7 MB in 1s (46.8 MB/s)
Reading changelogs... Done
(Reading database ... 86052 files and directories currently installed.)
Preparing to unpack .../pve-kernel-5.4.124-1-pve_5.4.124-2_amd64.deb ...
Unpacking pve-kernel-5.4.124-1-pve (5.4.124-2) over (5.4.124-1) ...
Setting up pve-kernel-5.4.124-1-pve (5.4.124-2) ...
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 5.4.124-1-pve /boot/vmlinuz-5.4.124-1-pve
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 5.4.124-1-pve /boot/vmlinuz-5.4.124-1-pve
update-initramfs: Generating /boot/initrd.img-5.4.124-1-pve
run-parts: executing /etc/kernel/postinst.d/proxmox-auto-removal 5.4.124-1-pve /boot/vmlinuz-5.4.124-1-pve
run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 5.4.124-1-pve /boot/vmlinuz-5.4.124-1-pve
run-parts: executing /etc/kernel/postinst.d/zz-proxmox-boot 5.4.124-1-pve /boot/vmlinuz-5.4.124-1-pve
Re-executing '/etc/kernel/postinst.d/zz-proxmox-boot' in new private mount namespace..
No /etc/kernel/cmdline found - falling back to /proc/cmdline
Copying and configuring kernels on /dev/disk/by-uuid/B873-BAFF
Copying kernel 5.3.18-3-pve
Copying kernel 5.4.124-1-pve
Copying kernel 5.4.78-2-pve
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.4.124-1-pve
Found initrd image: /boot/initrd.img-5.4.124-1-pve
Found linux image: /boot/vmlinuz-5.4.78-2-pve
Found initrd image: /boot/initrd.img-5.4.78-2-pve
Found linux image: /boot/vmlinuz-5.3.18-3-pve
Found initrd image: /boot/initrd.img-5.3.18-3-pve
done
Copying and configuring kernels on /dev/disk/by-uuid/FDCB-6E7A
Copying kernel 5.3.18-3-pve
Copying kernel 5.4.124-1-pve
Copying kernel 5.4.78-2-pve
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.4.124-1-pve
Found initrd image: /boot/initrd.img-5.4.124-1-pve
Found linux image: /boot/vmlinuz-5.4.78-2-pve
Found initrd image: /boot/initrd.img-5.4.78-2-pve
Found linux image: /boot/vmlinuz-5.3.18-3-pve
Found initrd image: /boot/initrd.img-5.3.18-3-pve
done
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 5.4.124-1-pve /boot/vmlinuz-5.4.124-1-pve
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.4.124-1-pve
Found initrd image: /boot/initrd.img-5.4.124-1-pve
Found linux image: /boot/vmlinuz-5.4.78-2-pve
Found initrd image: /boot/initrd.img-5.4.78-2-pve
Found linux image: /boot/vmlinuz-5.3.18-3-pve
Found initrd image: /boot/initrd.img-5.3.18-3-pve
Found linux image: /boot/vmlinuz-5.0.21-5-pve
Found initrd image: /boot/initrd.img-5.0.21-5-pve
Found linux image: /boot/vmlinuz-5.0.15-1-pve
Found initrd image: /boot/initrd.img-5.0.15-1-pve
Found memtest86+ image: /boot/memtest86+.bin
Found memtest86+ multiboot image: /boot/memtest86+_multiboot.bin
done
root@pveetalon1:~#

Spoiler: Spoiler. pveversion -v

root@pveetalon1:~# pveversion -v
proxmox-ve: 6.4-1 (running kernel: 5.4.124-1-pve)
pve-manager: 6.4-13 (running version: 6.4-13/9f411e79)
pve-kernel-5.4: 6.4-4
pve-kernel-helper: 6.4-4
pve-kernel-5.3: 6.1-6
pve-kernel-5.0: 6.0-11
pve-kernel-5.4.124-1-pve: 5.4.124-2
pve-kernel-5.4.78-2-pve: 5.4.78-2
pve-kernel-5.3.18-3-pve: 5.3.18-3
pve-kernel-5.0.21-5-pve: 5.0.21-10
pve-kernel-5.0.15-1-pve: 5.0.15-1
ceph-fuse: 12.2.11+dfsg1-2.1+b1
corosync: 3.1.2-pve1
criu: 3.11-3
glusterfs-client: 5.5-3
ifupdown: 0.8.35+pve1
ksm-control-daemon: 1.3-1
libjs-extjs: 6.0.1-10
libknet1: 1.20-pve1
libproxmox-acme-perl: 1.1.0
libproxmox-backup-qemu0: 1.1.0-1
libpve-access-control: 6.4-3
libpve-apiclient-perl: 3.1-3
libpve-common-perl: 6.4-3
libpve-guest-common-perl: 3.1-5
libpve-http-server-perl: 3.2-3
libpve-storage-perl: 6.4-1
libqb0: 1.0.5-1
libspice-server1: 0.14.2-4~pve6+1
lvm2: 2.03.02-pve4
lxc-pve: 4.0.6-2
lxcfs: 4.0.6-pve1
novnc-pve: 1.1.0-1
proxmox-backup-client: 1.1.12-1
proxmox-mini-journalreader: 1.1-1
proxmox-widget-toolkit: 2.6-1
pve-cluster: 6.4-1
pve-container: 3.3-6
pve-docs: 6.4-2
pve-edk2-firmware: 2.20200531-1
pve-firewall: 4.1-4
pve-firmware: 3.2-4
pve-ha-manager: 3.1-1
pve-i18n: 2.3-1
pve-qemu-kvm: 5.2.0-6
pve-xtermjs: 4.7.0-3
qemu-server: 6.4-2
smartmontools: 7.2-pve2
spiceterm: 3.1-1
vncterm: 1.6-2
zfsutils-linux: 2.0.4-pve1


root@pveetalon1:~# proxmox-boot-tool status
Re-executing '/usr/sbin/proxmox-boot-tool' in new private mount namespace..
B873-BAFF is configured with: grub
FDCB-6E7A is configured with: grub

 

[Stoiko Ivanov]

Currently system booted from grub. I need boot it from EFI.

Currently there is no easy way to switch from a system booted in legacy mode to UEFI mode.

Options you have (from most clean and simple to more involved):
* Make a backup! (always!) and test it
then either
* Setup the system with the PVE ISO in UEFI mode - then restore from backup
* boot the pve 6.4. ISO in uefi mode - select the debug mode of the installer and:
** in the second debug shell simply run `proxmox-boot-tool init /dev/disk/by-uuid/B873-BAFF` (and the same for the other UUID) - this should install the kernel from the ISO on that disk and setup the systemd-boot loader
** try rebooting from the 2 ESPs

I have not tried the second procedure recently - so this is a bit of guess work - and might be missing a few necessary steps

as said in the beginning - make sure you have a working backup first!

I hope this helps!

 

[Dmitrius7]

* Make a backup! (always!) and test it
* Setup the system with the PVE ISO in UEFI mode - then restore from backup

What backup do you mean? Backup root / (proxmox os)? And then restore os?

 

[Stoiko Ivanov]

What backup do you mean? Backup root / (proxmox os)? And then restore os?

everything you consider worth saving - and cannot reconstruct should something go wrong (or which will certainly be gone after you've reinstalled PVE)