tlaternet-server/configuration/hardware-specific/hetzner/disko.nix

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{
disko.devices.disk =
let
bootPartition = {
size = "1M";
type = "EF02";
};
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swapPartition = {
# 8G is apparently recommended for this much RAM, but we set up
# 4G on both disks for mirroring purposes.
#
# That'll still be 8G during normal operation, and it's probably
# not too bad to have slightly less swap if a disk dies.
size = "4G";
content = {
type = "swap";
randomEncryption = true;
};
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};
mountOptions = [ "compress=zstd" "noatime" ];
in
{
sda = {
type = "disk";
device = "/dev/sda";
content = {
type = "gpt";
partitions = {
boot = bootPartition;
swap = swapPartition;
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disk1 = {
size = "100%";
# Empty partition to combine in RAID0 with the other disk
};
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};
};
};
sdb = {
type = "disk";
device = "/dev/sdb";
content = {
type = "gpt";
partitions = {
boot = bootPartition;
swap = swapPartition;
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disk2 = {
size = "100%";
content = {
type = "btrfs";
# Hack to get multi-device btrfs going
# See https://github.com/nix-community/disko/issues/99
extraArgs = [ "-d" "raid1" "-m" "raid1" "--runtime-features" "quota" "/dev/sda3" ];
subvolumes = {
"/volume" = { };
"/volume/root" = {
inherit mountOptions;
mountpoint = "/";
};
"/volume/home" = {
inherit mountOptions;
mountpoint = "/home";
};
"/volume/var" = {
inherit mountOptions;
mountpoint = "/var";
};
"/volume/nix-store" = {
inherit mountOptions;
mountpoint = "/nix";
};
"/snapshots" = { };
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};
};
};
};
};
};
};
}