150 lines
4.3 KiB
Nix
150 lines
4.3 KiB
Nix
# nix run github:nix-community/disko -- --mode zap_create_mount ./disko-config.nix
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# nixos-generate-config --no-filesystems --root /mnt
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# vim /mnt/configuration.nix
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# nixos-install
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{ config, lib, ... }:
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let
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disks = [ "sda" "sdb" ];
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in
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{
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# ZFS already has its own scheduler. Without this my(@Artturin) computer froze for a second when i nix build something.
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# copied from : https://github.com/numtide/srvos/blob/main/nixos/common/zfs.nix
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services.udev.extraRules = lib.optionalString (config.boot.zfs.enabled) ''
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ACTION=="add|change", KERNEL=="sd[a-z]*[0-9]*|mmcblk[0-9]*p[0-9]*|nvme[0-9]*n[0-9]*p[0-9]*", ENV{ID_FS_TYPE}=="zfs_member", ATTR{../queue/scheduler}="none"
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'';
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disko.devices = {
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disk =
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lib.genAttrs disks (disk: {
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name = disk;
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type = "disk";
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device = "/dev/${disk}";
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content = {
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type = "table";
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format = "gpt";
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partitions = [
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{
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name = "ESP";
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start = "0";
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end = "500MiB";
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bootable = true;
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content = {
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type = "filesystem";
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format = "vfat";
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mountpoint = "/boot_${disk}";
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mountOptions = [ "defaults" ];
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};
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}
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{
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name = "zfs";
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start = "500MiB";
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size = "500GB";
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content = {
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type = "luks";
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name = "root_${disk}";
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settings = {
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# if you want to use the key for interactive login be sure there is no trailing newline
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# for example use `echo -n "password" > /tmp/secret.key`
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keyFile = "/tmp/secret.key";
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allowDiscards = true;
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};
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content = {
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type = "zfs";
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pool = "zroot";
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};
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};
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}
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{
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name = "zfs";
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size = "100%";
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content = {
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type = "luks";
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settings = {
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# if you want to use the key for interactive login be sure there is no trailing newline
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# for example use `echo -n "password" > /tmp/secret.key`
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keyFile = "/tmp/secret.key";
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allowDiscards = true;
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};
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name = "media_${disk}";
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content = {
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type = "zfs";
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pool = "zmedia";
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};
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};
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}
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];
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};
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}
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);
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zpool = {
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zroot = {
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type = "zpool";
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mode = "mirror";
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rootFsOptions = {
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mountpoint = "none";
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canmount = "off";
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compression = "lz4";
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};
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datasets = {
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"root" = {
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type = "zfs_fs";
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mountpoint = "/";
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options = {
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mountpoint = "legacy";
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compression = "lz4";
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};
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};
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"store" = {
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type = "zfs_fs";
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mountpoint = "/nix/store";
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options = {
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mountpoint = "legacy";
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compression = "lz4";
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};
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};
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};
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};
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# `zpool import -f zraid` once on the first boot and reboot
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zmedia = {
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type = "zpool";
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rootFsOptions = {
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mountpoint = "none";
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canmount = "off";
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};
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datasets = {
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"media" = {
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type = "zfs_fs";
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mountpoint = "/media";
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options = {
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mountpoint = "legacy";
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compression = "lz4";
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"com.sun:auto-snapshot:daily" = false;
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"com.sun:auto-snapshot:weekly" = false;
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"com.sun:auto-snapshot:monthly" = false;
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};
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};
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# todo make sure this disk has some minimum space
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"nextcloud" = {
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type = "zfs_fs";
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mountpoint = "/var/lib/nextcloud/";
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options = {
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mountpoint = "legacy";
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compression = "lz4";
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"com.sun:auto-snapshot:hourly" = true;
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"com.sun:auto-snapshot:daily" = true;
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"com.sun:auto-snapshot:weekly" = false;
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"com.sun:auto-snapshot:monthly" = false;
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};
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};
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};
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};
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};
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};
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}
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