| 25 Jan 2026 |
 Exaltia | finally fixed my mistakes! | 15:39:48 |
| 27 Jan 2026 |
 momo | Hi, I’m installing nixos in a vm using disko. The installation finishes without errors, but when booting into the system, it drops into emergency mode because /dev/disk/by-partlabel/ROOT cannot be found.
I’ve verified that /dev/disk/by-partlabel/ROOT does exist and can be mounted manually from the iso.
This is my disko config: https://github.com/god464/flake/blob/master/hosts/server/disk.nix
Is there anything I’m missing?
| 14:01:11 |
| momo | Additionally, I replaced my disko configuration with example/btrfs-only-root-subvolume.nix from the disko repository, but the same issue still occurs.. Maybe another flake module/setting conflicts with disko? | 14:13:12 |
| 28 Jan 2026 |
| Exaltia changed their profile picture. | 08:14:24 |
| 29 Jan 2026 |
|  Exaltia joined the room. | 00:00:46 |
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| 30 Jan 2026 |
|  markus.lohmayer joined the room. | 07:46:49 |
| markus.lohmayer | Hope someone can help: Have tiny home server/router with two USB SSDs forming a ZFS mirror. Also each disk has swap and ESP partition. One disk seems to die now (dmesg says usb 3-1: device not accepting address). Even though ZFS should give redundancy, the system becomes unresponsive. Boot loader is on the dying disk. Adding the mountpoint on the second disk does not have effect after rebuild and reboot:
ESP = {
size = "512M";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot-fallback"; # added
mountOptions = [ "umask=0077" ]; # added
};
};
Do I need to do something extra after changing the disko.nix file (adding the two lines above)?
I want to get redundancy for the bootloader. Do I need grub for this (used systemd-boot so far)?
| 07:59:58 |
| markus.lohmayer | * Hope someone can help: Have tiny home server/router with two USB SSDs forming a ZFS mirror. Also each disk has swap and ESP partition. One disk seems to die now (dmesg says usb 3-1: device not accepting address). Even though ZFS should give redundancy, the system becomes unresponsive. Boot loader is on the dying disk. Adding the mountpoint on the second disk does not have effect after rebuild and reboot:
ESP = {
size = "512M";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot-fallback"; # added
mountOptions = [ "umask=0077" ]; # added
};
};
Do I need to do something extra after changing the disko.nix file (adding the two lines above)?
I want to get redundancy for the bootloader. Do I need grub for this (used systemd-boot so far)?
| 08:00:21 |
| markus.lohmayer | Sorry, could have figured this one out directly: Need to create mountpoint manually | 10:12:02 |
|  matthewcroughan @fosdem changed their display name from matthewcroughan to matthewcroughan @fosdem. | 13:17:09 |
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| 1 Feb 2026 |
|  Fernando Rodrigues changed their display name from SigmaSquadron to Fernando Rodrigues. | 10:43:23 |
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