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Remove lvm under btrfs (#24)

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Reviewed-on: https://codeberg.org/leana8959/.files/pulls/24
Co-authored-by: Léana 江 <leana.jiang+git@icloud.com>
Co-committed-by: Léana 江 <leana.jiang+git@icloud.com>
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Primrose 2025-11-24 05:00:45 +01:00 • committed by Léana
parent 9b02b9e1da
commit caadc265e4
19 changed files with 104 additions and 136 deletions
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94
nix/disko/vanadium/btrfs.nix
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@ -8,7 +8,7 @@
type = "gpt";
partitions = {
ESP = {
size = "500M";
size = "512M";
type = "EF00";
content = {
type = "filesystem";
@ -27,67 +27,37 @@
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" = {
mountOptions = [ "noatime" ];
mountpoint = "/";
};
"/home" = {
mountOptions = [
"compress=zstd"
"noatime"
];
mountpoint = "/home";
};
"/nix" = {
mountOptions = [
"compress=zstd"
"noatime"
];
mountpoint = "/nix";
type = "btrfs";
# # DANGER:
# # Override existing partition at partition creation
# extraArgs = ["-f"];
subvolumes = {
"/root" = {
mountOptions = [
"compress=zstd"
"noatime"
];
mountpoint = "/";
};
"/home" = {
mountOptions = [
"compress=zstd"
"noatime"
];
mountpoint = "/home";
};
"/nix" = {
mountOptions = [
"compress=zstd"
"noatime"
];
mountpoint = "/nix";
};
"/swap" = {
mountpoint = "/.swapvol";
swap.swapfile.size = "1G";
};
};
};
};
};