From 262466c233f8eb16e0fc0728d5025157163d9c37 Mon Sep 17 00:00:00 2001
From: Roman Lubij <roman.lubij@gmail.com>
Date: Thu, 12 Feb 2026 17:12:18 +0100
Subject: [PATCH] Improve backups, again

---
 hardware-configuration.nix | 12 ++++++++++++
 modules/services.nix       |  9 ++++-----
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/hardware-configuration.nix b/hardware-configuration.nix
index e52a7ce..f6a9bcf 100644
--- a/hardware-configuration.nix
+++ b/hardware-configuration.nix
@@ -143,6 +143,18 @@
     ];
   };
 
+  fileSystems."/media/home-backup" = {
+    device = "/dev/disk/by-uuid/4c0c8b24-6fca-49c1-8e34-e00e240576e3";
+    fsType = "btrfs";
+    options = [
+      "subvol=home-backup"
+      "space_cache=v2"
+      "compress=zstd:10"
+      "noatime"
+      "autodefrag"
+    ];
+  };
+
   fileSystems."/media/pipa" = {
     device = "/dev/disk/by-uuid/0013f713-acf4-496b-b43f-25258283b884";
     fsType = "f2fs";
diff --git a/modules/services.nix b/modules/services.nix
index cbc0c09..a716ad3 100644
--- a/modules/services.nix
+++ b/modules/services.nix
@@ -97,7 +97,7 @@
 
           volume."/" = {
             subvolume = "home";
-            snapshot_dir = "home/.snapshots";
+            snapshot_dir = "home/.snapshots/daily";
           };
         };
       };
@@ -106,15 +106,14 @@
         onCalendar = "weekly";
         settings = {
           timestamp_format = "long";
-
           snapshot_preserve_min = "latest";
-
+          snapshot_preserve = "no";
           target_preserve = "20w";
 
           volume."/" = {
             subvolume = "home";
-            snapshot_dir = "home/.snapshots";
-            target = "/media/data/home-backups";
+            snapshot_dir = "home/.snapshots/weekly";
+            target = "/media/home-backup";
           };
         };
       };