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feat(modules/nixos/base,hosts): add btrbk for filesystem backup

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Ryan Yin
2024-03-31 15:18:14 +08:00
parent 56015780e0
commit 4da995fa88
5 changed files with 64 additions and 8 deletions
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14
hosts/12kingdoms-suzu/disko-fs.nix
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@@ -40,10 +40,10 @@
size = "100%";
content = {
type = "luks";
name = "crypted";
name = "encrypted";
settings = {
keyFile = "/dev/disk/by-label/OPI5_DSC"; # The keyfile is stored on a USB stick
# The maxium size of the keyfile is 8192 bytes
# The maximum size of the keyfile is 8192 bytes
keyFileSize = 512 * 64; # match the `bs * count` of the `dd` command
keyFileOffset = 512 * 128; # match the `bs * skip` of the `dd` command
fallbackToPassword = true;
@@ -69,8 +69,16 @@
];
content = {
type = "btrfs";
extraArgs = ["-f"];
extraArgs = ["-f"]; # Force override existing partition
subvolumes = {
# mount the top-level subvolume at /btr_pool
# it will be used by btrbk to create snapshots
"/" = {
mountpoint = "/btr_pool";
# btrfs's top-level subvolume, internally has an id 5
# we can access all other subvolumes from this subvolume.
mountOptions = ["subvolid=5"];
};
"@nix" = {
mountpoint = "/nix";
mountOptions = ["compress-force=zstd:1" "noatime"];