essential: add nix-tree

[julm/julm-nix.git] / nixos / profiles / zfs.nix

diff --git a/nixos/profiles/zfs.nix b/nixos/profiles/zfs.nix
index bf3b3b0d6288d01463f88f6dc57773d5c5b86b9d..1152aed1fe552f3bdde674c748ec775099990fbf 100644 (file)
--- a/nixos/profiles/zfs.nix
+++ b/nixos/profiles/zfs.nix
@@ -1,37 +1,39 @@
-{ pkgs, lib, config, hostName, ... }:
+{ pkgs, lib, hostName, ... }:
 {
-# none is the recommended elevator with ZFS (which has its own I/O scheduler)
-# and/or for SSD, whereas HDD could use mq-deadline.
-services.udev.extraRules = ''
-  # set none scheduler for non-rotating disks
-  ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="none"
-  ACTION=="add|change", KERNEL=="nvme[0-9]", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="none"
-'';
+  # none is the recommended elevator with ZFS (which has its own I/O scheduler)
+  # and/or for SSD, whereas HDD could use mq-deadline.
+  services.udev.extraRules = ''
+    # set none scheduler for non-rotating disks
+    ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="none"
+    ACTION=="add|change", KERNEL=="nvme[0-9]", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="none"
+  '';
 
-boot.supportedFilesystems = [ "zfs" ];
-boot.initrd.supportedFilesystems = [ "zfs" ];
-boot.zfs.requestEncryptionCredentials = lib.mkDefault [ hostName ];
+  boot.supportedFilesystems = [ "zfs" ];
+  boot.initrd.supportedFilesystems = [ "zfs" ];
+  boot.zfs.requestEncryptionCredentials = lib.mkDefault [ hostName ];
 
-# Using ZFS together with hibernation (suspend to disk)
-# may cause filesystem corruption.
-# See https://github.com/openzfs/zfs/issues/260
-boot.kernelParams = [ "nohibernate" ];
+  # Using ZFS together with hibernation (suspend to disk)
+  # may cause filesystem corruption.
+  # See https://github.com/openzfs/zfs/issues/260
+  boot.kernelParams = [ "nohibernate" ];
 
-# Ensure extra safeguards are active that zfs uses to protect zfs pools.
-boot.zfs.forceImportAll  = false;
-boot.zfs.forceImportRoot = false;
+  # Ensure extra safeguards are active that zfs uses to protect zfs pools.
+  boot.zfs.forceImportAll = false;
+  boot.zfs.forceImportRoot = false;
 
-boot.zfs.enableUnstable = false;
+  boot.zfs.enableUnstable = false;
 
-# Enables periodic scrubbing of ZFS pools.
-services.zfs.autoScrub.enable = true;
+  # Enables periodic scrubbing of ZFS pools.
+  services.zfs.autoScrub.enable = true;
+  services.zfs.autoScrub.interval = "Sun *-*-08..14 00:15:00";
 
-# According to zpool(8), for consumer hardware
-# periodic manual TRIM is preferred over the automatic TRIM
-# that ZFS implements.
-services.zfs.trim.enable = true;
+  # According to zpool(8), for consumer hardware
+  # periodic manual TRIM is preferred over the automatic TRIM
+  # that ZFS implements.
+  services.zfs.trim.enable = true;
+  services.zfs.trim.interval = "Sun *-*-01..07 00:15:00";
 
-environment.systemPackages = [
-  pkgs.sanoid
-];
+  environment.systemPackages = [
+    pkgs.sanoid
+  ];
 }