setup iscsi zvol

hosts/base.nix

@@ -75,10 +75,16 @@
     git
     pciutils
     sysstat
+    xfsprogs
   ];
 
   services.openssh.enable = true;
 
+  services.openiscsi = {
+    enable = true;
+    name = "iqn.2026-01.dev.nyxerinys:${config.networking.hostName}";
+  };
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave

hosts/servers/poseidon/shares.nix

@@ -1,20 +1,89 @@
 { ... }:
-{
-  networking.firewall.allowedTCPPorts = [ 111 2049 4000 4001 4002 20048 ];
-  networking.firewall.allowedUDPPorts = [ 111 2049 4000 4001 4002 20048 ];
+let
+  # ports
+  nfs3 = [
+    111
+    4000
+    4001
+    4002
+    20048
+  ];
+
+  nfs4 = [
+    2049
+  ];
+    
+  iscsi = [
+    3260
+  ];
+
+  tcpPorts = nfs3 ++ nfs4 ++ iscsi;
+  udpPorts = nfs3;
+  # ---
+
+  # iscsi info
+  nasBase = "iqn.2026-01.dev.nyxerinys:poseidon";
+
+  initiators = [
+    { node_wwn = "iqn.2026-01.dev.nyxerinys:gamma" }
+    { node_wwn = "iqn.2026-01.dev.nyxerinys:delta" }
+    { node_wwn = "iqn.2026-01.dev.nyxerinys:epsilon" }
+  ];
+
+  targets = [
+    { name = "authentik"; zvol = "Velaris/Containers/Authentik"; lun = 0; }
+  ];
+
+in {
+  networking.firewall.allowedTCPPorts = tcpPorts;
+  networking.firewall.allowedUDPPorts = udpPorts;
   fileSystems."/export/containers" = {
     device = "/Velaris/Containers";
     options = [ "bind" ];
   };
-  services.nfs.server = {
-    enable = true;
-    createMountPoints = true;
-    lockdPort = 4001;
-    mountdPort = 4002;
-    statdPort = 4000;
-    exports = ''
-      /export 10.5.0.0/24(rw,fsid=0,no_subtree_check,no_root_squash)
-      /export/containers 10.5.0.0/24(rw,nohide,insecure,no_subtree_check,no_root_squash)
-    '';
+  services = {
+    nfs.server = {
+      enable = true;
+      createMountPoints = true;
+      lockdPort = 4001;
+      mountdPort = 4002;
+      statdPort = 4000;
+      exports = ''
+        /export 10.5.0.0/24(rw,fsid=0,no_subtree_check,no_root_squash)
+        /export/containers 10.5.0.0/24(rw,nohide,insecure,no_subtree_check,no_root_squash)
+      '';
+    };
+    target = {
+      enable = true;
+      config = {
+        storage_objects = map (t: {
+          dev = "/dev/zvol/${t.zvol}";
+          name = t.name;
+          plugin = "block";
+          wwn = "${nasBase}.${t.name}";        
+        }) targets;
+
+        targets = map (t: {
+          fabric = "iscsi";
+          wwn = "${nasBase}.${t.name}";
+          tpgs = [{
+            enable = true;
+            portals = [
+              {
+                ip_address = "0.0.0.0";
+                port = 3260;
+              }
+            ];
+            luns = [
+              {
+                index = t.lun;
+                storage_object = "/backstores/block/${t.name}";
+              }
+            ];
+            acls = initiators;
+          }];
+        }) targets;
+      };
+    };
   };
 }