services.sanoid

zfs.nix

@@ -26,20 +26,31 @@ in
   boot.supportedFilesystems = [ "zfs" ];
   boot.zfs.extraPools = [ service_configs.zpool ];
 
+  services.sanoid = {
+    enable = true;
+    datasets."${service_configs.zpool}" = {
+      recursive = true;
+      autoprune = true;
+      autosnap = true;
+      hourly = 24;
+      daily = 30;
+      monthly = 12;
+      yearly = 4;
+    };
+
+    datasets."${service_configs.zpool}/services/sql" = {
+      recursive = true;
+      autoprune = true;
+      autosnap = true;
+      hourly = 12;
+      daily = 2;
+      monthly = 0;
+      yearly = 0;
+    };
+  };
+
   services.zfs = {
     autoScrub.enable = true;
     trim.enable = true;
-    # doesn't work, maybe replace with `services.sanoid` instead
-    autoSnapshot = {
-      # attempted to manually set zpool, didn't work
-      flags = "-k -p -P ${service_configs.zpool}";
-
-      enable = true;
-      frequent = 4; # 15-minutes
-      hourly = 24;
-      daily = 7;
-      weekly = 4;
-      monthly = 12;
-    };
   };
 }