Files
nix/modules/holocron/zfs/default.nix
2025-10-22 22:12:54 -05:00

79 lines
1.8 KiB
Nix

{
pkgs,
config,
lib,
...
}: let
cfg = config.holocron.zfs;
in {
options.holocron.zfs = {
enable = lib.mkEnableOption "enables zfs";
};
config = lib.mkIf cfg.enable {
# set network host id
networking.hostId = "3e6e7055";
# enable zfs support
boot.kernelModules = ["zfs"];
boot.supportedFilesystems = ["zfs"];
# arc cache size
boot.kernelParams = [ "zfs.zfs_arc_max=12884901888" ];
# pools to import
#boot.zfs.extraPools = [ "holocron" "holocron/archives" "/holocron/media" "/holocron/users" ];
#boot.zfs.extraPools = [ "holocron" ];
# enable smart monitoring
services.smartd = {
enable = true;
autodetect = true;
defaults.monitored = "-a -o on -s (S/../.././05|L/../01/./05)";
notifications.mail = {
enable = true;
sender = "zfs@snowbelle.lan";
};
};
# enable zfs
services.zfs = {
autoScrub.enable = true;
autoScrub.interval = "weekly";
# email notifs
zed = {
enableMail = true;
settings = {
ZED_EMAIL_ADDR = ["root"];
# send notification if scrub succeeds
ZED_NOTIFY_VERBOSE = true;
};
};
};
# install userspace tools for acl's
environment.systemPackages = with pkgs; [smartmontools];
fileSystems."/holocron" = {
device = "holocron";
fsType = "zfs";
options = ["nofail"];
};
fileSystems."/holocron/archives" = {
device = "holocron/archives";
fsType = "zfs";
options = ["nofail"];
};
fileSystems."/holocron/users" = {
device = "holocron/users";
fsType = "zfs";
options = ["nofail"];
};
fileSystems."/holocron/media" = {
device = "holocron/media";
fsType = "zfs";
options = ["nofail"];
};
};
}