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disko/vanadium: add btrfs schema

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Primrose 2025-05-05 22:52:09 +02:00
parent 63caf94d4e
commit 41351eeef7
Signed by: primrose
GPG key ID: 4E887A4CA9714ADA
1 changed files with 102 additions and 0 deletions
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nix/disko/vanadium/btrfs.nix Normal file
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{
disko.devices = {
disk = {
main = {
type = "disk";
device = "/dev/nvme0n1";
content = {
type = "gpt";
partitions = {
ESP = {
size = "500M";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
mountOptions = ["umask=0077"];
};
};
# Use LUKS for disk encryption
luks = {
size = "100%";
content = {
type = "luks";
name = "crypted";
extraOpenArgs = [];
settings.allowDiscards = true;
content = {
type = "lvm_pv";
vg = "pool";
};
};
};
};
};
};
};
# Use LVM to create a partition for swap
lvm_vg = {
pool = {
type = "lvm_vg";
lvs = {
# Set swap device as resume device
swap = {
size = "48G"; # > 32G for hibernation
content = {
type = "swap";
discardPolicy = "both";
resumeDevice = true;
};
};
# Use btrfs over ext4 for:
# - compression
# nix store can be shrinked using this feature
# - more transparent partitions (subvolumes)
# no more "I need more space here and not there"
btrfs = {
size = "100%";
content = {
type = "btrfs";
mountpoint = "/btrfs-root";
# # DANGER:
# # Override existing partition at partition creation
# extraArgs = ["-f"];
subvolumes = {
"/root" = {
mountpoint = "/";
};
"/home" = {
mountOptions = ["compress=zstd"];
mountpoint = "/home";
};
"/nix" = {
mountOptions = ["compress=zstd" "noatime"];
mountpoint = "/nix";
};
};
};
};
};
};
};
# It's nice to have a scratch space
nodev = {
"/tmp" = {
fsType = "tmpfs";
mountOptions = [
"size=4G"
];
};
};
};
}