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disko

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disko - declarative disk partitioning - https://github.com/nix-community/disko92 Servers

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11 Apr 2024
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12 Apr 2024
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14 Apr 2024
@zonnebloem:matrix.orgzonnebloemHi all During a nixos-rebuild switch, my system froze. After a hard reset my system doesn't boot anymore. It shows a grub prompt. Is there a way to make it boot? and repair it? Or do I need to reinstall the system with a live image and backup some date to a backup disk? My guess is my system crashed during the grub update .. I'm using disko with 2 mirrored ssd's: 1G vfat boot & luks-zfs rpool I'm using grub because systemd boot didn't work for this mirror.15:23:12
@sigmasquadron:matrix.orgSigmaSquadron You can try pointing grub to the NixOS kernel and initrd for your latest generation, and booting manually. Once you’re booted, rebuild the system with the --install-bootloader option. 15:26:59
@sigmasquadron:matrix.orgSigmaSquadron Alternatively, mount your disks on a NixOS live image and run nixos-install --no-root-password. 15:27:26
@sigmasquadron:matrix.orgSigmaSquadron * You can try pointing grub to the NixOS kernel and initrd for your latest generation, and booting manually. Once you’re booted, rebuild the system with the --install-bootloader option. 15:27:36
@zonnebloem:matrix.orgzonnebloemCould you point me towards a source which explains the first option?15:30:53
@hxr404:tchncs.dehxr404 ✨ [it/she] changed their display name from hxr404 ✨ [they/them] (offline) to hxr404 ✨ [they/them].15:31:15
@sigmasquadron:matrix.orgSigmaSquadron The paths will be more complicated, since they also include the hashes of the package, but the general gist of it is defined in the manual: https://www.gnu.org/software/grub/manual/grub/grub.html#GNU_002fLinux 15:33:47
@sigmasquadron:matrix.orgSigmaSquadron search for your root, set your kernel, use the initrd command to boot. 15:34:22
@sigmasquadron:matrix.orgSigmaSquadron Though this might be very difficult if you aren’t already used to the GRUB CLI. The NixOS wiki has a nice walkthrough on how to do this from a NixOS installation image: https://nixos.wiki/wiki/Bootloader#Re-installing_the_bootloader 15:35:33
@sigmasquadron:matrix.orgSigmaSquadron * Though this might be very difficult if you aren’t already used to the GRUB CLI. The NixOS wiki has a nice walkthrough on how to skip this and reinstall the bootloader from a NixOS installation image: https://nixos.wiki/wiki/Bootloader#Re-installing_the_bootloader 15:36:28
@zonnebloem:matrix.orgzonnebloemthank you17:06:52
@zonnebloem:matrix.orgzonnebloemI couldn't get it to work, I'm backing up and reinstalling17:07:18
@sigmasquadron:matrix.orgSigmaSquadron There probably isn’t a need to reinstall the entire system, just mounting and rebuilding should work. 18:09:20
17 Apr 2024
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19 Apr 2024
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23 Apr 2024
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25 Apr 2024
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@vartroc:matrix.org@vartroc:matrix.org

Hi everyone, I would ask you to please just take a look at my config, answer some questions and maybe give some recommendation.

First, my questions:

  • extraArgs = ["-f"]` What does this do?
  • if I first specify 25%FREE for root at the lvm-lvs and then specify 100%FREE for games, 25% of the file is for root and 75% is for games, right?

Here my config:

15:19:35
@vartroc:matrix.org@vartroc:matrix.org *

Hi everyone, I would ask you to please just take a look at my config, answer some questions and maybe give some recommendation.

First, my questions:

  • extraArgs = ["-f"]` What does this do?
  • if I first specify 25%FREE for root at the lvm-lvs and then specify 100%FREE for games, 25% of the file is for root and 75% is for games, right?

Here my config:

{
disko.devices = {
        disk = {
                disk0 = {
                        type = "disk";
                        device = "/dev/nvme1n1";
                        content = {
                                type = "gpt";
                                partitions = {
                                        esp = {
                                                name = "ESP";
                                                size = "500M";
                                                type = "EF00";
                                                content = {
                                                        type = "filesystem";
                                                        format = "vfat";
                                                        mountpoint = "/boot";
                                                        };
                                                };
                                        root = {
                                                name = "root0";
                                                size = "100%";
                                                content = {
                                                        type = "lvm_pv";
                                                        vg = "root_vg";
                                                };
                                        };
                                };
                        };
                };
                disk1 = {
                        type = "disk";
                        device = "/dev/nvme0n1";
                        content = {
                                type = "gpt";
                                partitions = {
                                        root = {
                                                name = "root1";
                                                size = 100%;
                                                content = {
                                                        type = "lvm_pv";
                                                        vg = "root_vg";
                                                };
                                        };
                                };
                        };
                };

                lvm_vg = {
                        root_vg = {
                                type = "lvm_vg";
                                lvs = {
                                        root = {
                                                size = "25%FREE";
                                                content = {
                                                        type = "btrfs";
                                                        extraArgs = ["-f"];
                                                        subvolumes = {
                                                                "/root" = {
                                                                 mountpoint = "/";
                                                                };

                                                                "/persist" = {
                                                                mountOptions = ["subvol=persist" "noatime"];
                                                                mountpoint = "/persist";
                                                                };

                                                                "/nix" = {
                                                                mountOptions = ["subvol=nix" "noatime"];
                                                                mountpoint = "/nix";
                                                                };
                                                        };
                                                };
                                        };

                                        games = {
                                                size = "100%FREE";
                                                content = {
                                                        type = "btrfs";
                                                        extraArgs = ["-f"];
                                                        subvolumes = {
                                                                "/games" = {
                                                                mountOptions = ["noatime"];
                                                                mountpoint = "/games";
                                                                };
                                                        };
                                                };
                                        };
                                };
                        };
                };
        };
}
15:20:47
@vartroc:matrix.org@vartroc:matrix.org *

Hi everyone, I would ask you to please just take a look at my config, answer some questions and maybe give some recommendation.

First, my questions:

  • extraArgs = ["-f"]` What does this do?
  • if I first specify 25%FREE for root at the lvm-lvs and then specify 100%FREE for games, 25% of the file is for root and 75% is for games, right?
  • does the mountOptions = ["subvol=games" "noatime"] sense? I coudnt find anything about thesubvol=games` part

Here my config:

{
disko.devices = {
        disk = {
                disk0 = {
                        type = "disk";
                        device = "/dev/nvme1n1";
                        content = {
                                type = "gpt";
                                partitions = {
                                        esp = {
                                                name = "ESP";
                                                size = "500M";
                                                type = "EF00";
                                                content = {
                                                        type = "filesystem";
                                                        format = "vfat";
                                                        mountpoint = "/boot";
                                                        };
                                                };
                                        root = {
                                                name = "root0";
                                                size = "100%";
                                                content = {
                                                        type = "lvm_pv";
                                                        vg = "root_vg";
                                                };
                                        };
                                };
                        };
                };
                disk1 = {
                        type = "disk";
                        device = "/dev/nvme0n1";
                        content = {
                                type = "gpt";
                                partitions = {
                                        root = {
                                                name = "root1";
                                                size = 100%;
                                                content = {
                                                        type = "lvm_pv";
                                                        vg = "root_vg";
                                                };
                                        };
                                };
                        };
                };

                lvm_vg = {
                        root_vg = {
                                type = "lvm_vg";
                                lvs = {
                                        root = {
                                                size = "25%FREE";
                                                content = {
                                                        type = "btrfs";
                                                        extraArgs = ["-f"];
                                                        subvolumes = {
                                                                "/root" = {
                                                                 mountpoint = "/";
                                                                };

                                                                "/persist" = {
                                                                mountOptions = ["subvol=persist" "noatime"];
                                                                mountpoint = "/persist";
                                                                };

                                                                "/nix" = {
                                                                mountOptions = ["subvol=nix" "noatime"];
                                                                mountpoint = "/nix";
                                                                };
                                                        };
                                                };
                                        };

                                        games = {
                                                size = "100%FREE";
                                                content = {
                                                        type = "btrfs";
                                                        extraArgs = ["-f"];
                                                        subvolumes = {
                                                                "/games" = {
                                                                mountOptions = ["subvol=games" "noatime"];
                                                                mountpoint = "/games";
                                                                };
                                                        };
                                                };
                                        };
                                };
                        };
                };
        };
}
15:23:54
@vartroc:matrix.org@vartroc:matrix.org *

Hi everyone, I would ask you to please just take a look at my config, answer some questions and maybe give some recommendation.

First, my questions:

  • extraArgs = ["-f"]` What does this do?
  • if I first specify 25%FREE for root at the lvm-lvs and then specify 100%FREE for games, 25% of the file is for root and 75% is for games, right?
  • does the mountOptions = ["subvol=games" "noatime"] sense? I coudnt find anything about thesubvol=games` part

Here my config:

{
disko.devices = {
        disk = {
                disk0 = {
                        type = "disk";
                        device = "/dev/nvme1n1";
                        content = {
                                type = "gpt";
                                partitions = {
                                        esp = {
                                                name = "ESP";
                                                size = "500M";
                                                type = "EF00";
                                                content = {
                                                        type = "filesystem";
                                                        format = "vfat";
                                                        mountpoint = "/boot";
                                                        };
                                                };
                                        root = {
                                                name = "root0";
                                                size = "100%";
                                                content = {
                                                        type = "lvm_pv";
                                                        vg = "root_vg";
                                                };
                                        };
                                };
                        };
                };
                disk1 = {
                        type = "disk";
                        device = "/dev/nvme0n1";
                        content = {
                                type = "gpt";
                                partitions = {
                                        root = {
                                                name = "root1";
                                                size = 100%;
                                                content = {
                                                        type = "lvm_pv";
                                                        vg = "root_vg";
                                                };
                                        };
                                };
                        };
                };

                lvm_vg = {
                        root_vg = {
                                type = "lvm_vg";
                                lvs = {
                                        root = {
                                                size = "25%FREE";
                                                content = {
                                                        type = "btrfs";
                                                        extraArgs = ["-f"];
                                                        subvolumes = {
                                                                "/root" = {
                                                                 mountpoint = "/";
                                                                };

                                                                "/persist" = {
                                                                mountOptions = ["subvol=persist" "noatime"];
                                                                mountpoint = "/persist";
                                                                };

                                                                "/nix" = {
                                                                mountOptions = ["subvol=nix" "noatime"];
                                                                mountpoint = "/nix";
                                                                };
                                                        };
                                                };
                                        };

                                        games = {
                                                size = "100%FREE";
                                                content = {
                                                        type = "btrfs";
                                                        extraArgs = ["-f"];
                                                        subvolumes = {
                                                                "/games" = {
                                                                mountOptions = ["subvol=games" "noatime"];
                                                                mountpoint = "/games";
                                                                };
                                                        };
                                                };
                                        };
                                };
                        };
                };
        };
}
15:24:19
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