Initialize quasar

linux/quasar/disko.nix

@@ -0,0 +1,113 @@
+{...}: {
+  disko.devices = {
+    # Partition the physical disk
+    disk = {
+      active = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            esp = {
+              size = "2G";
+              type = "ef00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = ["umask=0077"];
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "zactive";
+              };
+            };
+          };
+        };
+      };
+      archive = {
+        type = "disk";
+        device = "/dev/sda";
+        content = {
+          type = "gpt";
+          partitions.zfs = {
+            size = "100%";
+            content = {
+              type = "zfs";
+              pool = "zarchive";
+            };
+          };
+        };
+      };
+    };
+
+    # Declare zfs pools for this system.
+    zpool = let
+      options = {
+        ashift = "12";
+        autotrim = "on";
+        listsnapshots = "on";
+      };
+      rootFsOptions = {
+        acltype = "posix";
+        atime = "off";
+        compression = "zstd";
+        dnodesize = "auto";
+        mountpoint = "none";
+        normalization = "formD";
+        xattr = "sa";
+      };
+    in {
+      zactive = {
+        type = "zpool";
+        inherit options rootFsOptions;
+        datasets = {
+          # Encrypt main dataset
+          main = {
+            type = "zfs_fs";
+            options = {
+              encryption = "on";
+              keyformat = "passphrase";
+            };
+          };
+          # Create dataset for home
+          "main/home" = {
+            type = "zfs_fs";
+            mountpoint = "/home";
+          };
+          # Create dataset for nix store
+          "main/nix" = {
+            type = "zfs_fs";
+            mountpoint = "/nix";
+          };
+          # Create dataset for root
+          "main/root" = {
+            type = "zfs_fs";
+            mountpoint = "/";
+          };
+          # Reserve space for performance
+          reservation = {
+            type = "zfs_fs";
+            options.refreservation = "256G";
+          };
+        };
+      };
+
+      zarchive = {
+        type = "zpool";
+        inherit options rootFsOptions;
+        datasets = {
+          snapshot.type = "zfs_fs";
+          # Reserve space for performance
+          reservation = {
+            type = "zfs_fs";
+            options.refreservation = "512G";
+          };
+        };
+      };
+    };
+  };
+}