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yggdrasil: zfs prep

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This commit is contained in:
Christoph Hollizeck 2026-01-31 14:54:01 +01:00
parent e642a10ec2
commit 3f746987b3
Signed by: Daholli
GPG key ID: 249300664F2AF2C7
6 changed files with 245 additions and 79 deletions
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132
modules/hosts/yggdrasil/disko.nix Normal file
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@ -0,0 +1,132 @@
{
flake.modules.nixos."hosts/yggdrasil" =
{
inputs,
...
}:
{
imports = [ inputs.disko.nixosModules.disko ];
boot.supportedFilesystems = [ "zfs" ];
networking.hostId = "007f0200";
services.zfs = {
autoScrub.enable = true;
autoSnapshot.enable = true;
trim.enable = true;
};
disko.devices = {
disk = {
x = {
type = "disk";
device = "/dev/nvme0n1";
content = {
type = "gpt";
partitions = {
ESP = {
size = "2G";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
mountOptions = [ "umask=0077" ];
};
};
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "zroot";
};
};
};
};
};
y = {
type = "disk";
device = "/dev/nvme1n1";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "zroot";
};
};
};
};
};
};
zpool = {
zroot = {
type = "zpool";
mode = "mirror";
options = {
ashift = "12";
autotrim = "on";
};
rootFsOptions = {
canmount = "off";
checksum = "edonr";
compression = "zstd";
dnodesize = "auto";
mountpoint = "none";
normalization = "formD";
relatime = "on";
"com.sun:auto-snapshot" = "false";
};
datasets = {
"local" = {
type = "zfs_fs";
options.mountpoint = "none";
};
"local/home" = {
type = "zfs_fs";
mountpoint = "/home";
options = {
"com.sun:auto-snapshot" = "true";
};
};
"local/steam" = {
type = "zfs_fs";
mountpoint = "/steam";
options = {
"com.sun:auto-snapshot" = "false";
recordsize = "1M";
compression = "lz4";
casesensitivity = "insensitive";
};
postCreateHook = "chown cholli:users /steam";
};
"local/nix" = {
type = "zfs_fs";
mountpoint = "/nix";
options."com.sun:auto-snapshot" = "false";
};
"local/persist" = {
type = "zfs_fs";
mountpoint = "/persist";
options."com.sun:auto-snapshot" = "true";
};
"local/root" = {
type = "zfs_fs";
mountpoint = "/";
options."com.sun:auto-snapshot" = "false";
postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/local/root@blank$' || zfs snapshot zroot/local/root@blank";
};
};
};
};
};
};
}