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modularise out filesystem configuration, put /var/{tmp,cache,log} onto spare SSD

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Trolli Schmittlauch 2020-04-10 14:53:21 +02:00
parent 28d1fe6bbc
commit 3734b2d852
3 changed files with 52 additions and 36 deletions
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42
nixos/hardware-configuration.nix
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@ -1,5 +1,9 @@
{ config, lib, pkgs, ... }:
let
fsOptions = [ "noatime" "ssd" "space_cache" "compress=zstd" ];
in
{
imports =
[
@ -16,10 +20,23 @@
boot.kernelModules = [ "kvm-intel" ];
boot.extraModulePackages = [];
# encrypted partitions
boot.initrd.luks =
{
devices =
{
"system".device = "/dev/disk/by-uuid/85154131-b2a8-4ef5-9d74-47429cb267ef";
"cryptswap".device = "/dev/disk/by-uuid/ac586df6-6332-4809-beb1-f51906a2adaa";
"ssd2".device = "/dev/disk/by-uuid/cadd4e1f-3642-4faa-8d4e-37dd85465df1";
};
reusePassphrases = true;
};
fileSystems."/" =
{
device = "/dev/disk/by-uuid/cb5998ae-cfc9-447f-8756-1ceaec6ca4c4";
fsType = "btrfs";
options = fsOptions ++ [ "subvol=nixos_root" ];
};
fileSystems."/boot" =
@ -33,8 +50,33 @@
{
device = "/dev/disk/by-uuid/cb5998ae-cfc9-447f-8756-1ceaec6ca4c4";
fsType = "btrfs";
options = fsOptions ++ [ "subvol=home" ];
};
fileSystems."/var/tmp" =
{
device = "/dev/disk/by-uuid/cd6b8f25-c029-49a6-b326-656faec3ce15";
fsType = "btrfs";
options = fsOptions ++ [ "subvol=vartmp" ];
};
fileSystems."/var/log" =
{
device = "/dev/disk/by-uuid/cd6b8f25-c029-49a6-b326-656faec3ce15";
fsType = "btrfs";
options = fsOptions ++ [ "subvol=varlog" ];
};
fileSystems."/var/cache" =
{
device = "/dev/disk/by-uuid/cd6b8f25-c029-49a6-b326-656faec3ce15";
fsType = "btrfs";
options = fsOptions ++ [ "subvol=varcache" ];
};
boot.tmpOnTmpfs = true;
fileSystems."/tmp".fsType = "tmpfs";
swapDevices =
[
{ device = "/dev/disk/by-uuid/bf928178-4e92-4e7e-8df2-18fbd658eecf"; }