optimizations

modules/hosts/hermes/disko.nix

@@ -9,7 +9,7 @@
         partitions = {
           ESP = {
             label = "EFI";
-            size = "512MiB";
+            size = "512M";
             type = "EF00";
             content = {
               type = "filesystem";
@@ -82,7 +82,10 @@
         nix = {
           type = "zfs_fs";
           mountpoint = "/nix";
-          options.mountpoint = "legacy";
+          options = {
+            mountpoint = "legacy";
+            "com.sun:auto-snapshot" = "false";
+          };
         };
 
         persist = {
@@ -108,9 +111,18 @@
           options.mountpoint = "legacy";
         };
 
+        "var/vmail" = {
+          type = "zfs_fs";
+          mountpoint = "/var/vmail";
+          options = {
+            mountpoint = "legacy";
+            recordsize = "128K";
+          };
+        };
+
         reserved = {
           type = "zfs_volume";
-          size = "1G";
+          size = "4G";
         };
       };
     };