diff --git a/Aaru.Filesystems/ODS/Consts.cs b/Aaru.Filesystems/ODS/Consts.cs
index 4138a390c..56acc693f 100644
--- a/Aaru.Filesystems/ODS/Consts.cs
+++ b/Aaru.Filesystems/ODS/Consts.cs
@@ -32,16 +32,6 @@
 
 namespace Aaru.Filesystems;
 
-// Information from VMS File System Internals by Kirby McCoy
-// ISBN: 1-55558-056-4
-// With some hints from http://www.decuslib.com/DECUS/vmslt97b/gnusoftware/gccaxp/7_1/vms/hm2def.h
-// Expects the home block to be always in sector #1 (does not check deltas)
-// Assumes a sector size of 512 bytes (VMS does on HDDs and optical drives, dunno about M.O.)
-// Book only describes ODS-2. Need to test ODS-1 and ODS-5
-// There is an ODS with signature "DECFILES11A", yet to be seen
-// Time is a 64 bit unsigned integer, tenths of microseconds since 1858/11/17 00:00:00.
-/// <inheritdoc />
-/// <summary>Implements detection of DEC's On-Disk Structure, aka the ODS filesystem</summary>
 public sealed partial class ODS
 {
     const string FS_TYPE = "files11";
diff --git a/Aaru.Filesystems/ODS/Info.cs b/Aaru.Filesystems/ODS/Info.cs
index 4d8fc9471..7656ea82d 100644
--- a/Aaru.Filesystems/ODS/Info.cs
+++ b/Aaru.Filesystems/ODS/Info.cs
@@ -41,16 +41,6 @@ using Partition = Aaru.CommonTypes.Partition;
 
 namespace Aaru.Filesystems;
 
-// Information from VMS File System Internals by Kirby McCoy
-// ISBN: 1-55558-056-4
-// With some hints from http://www.decuslib.com/DECUS/vmslt97b/gnusoftware/gccaxp/7_1/vms/hm2def.h
-// Expects the home block to be always in sector #1 (does not check deltas)
-// Assumes a sector size of 512 bytes (VMS does on HDDs and optical drives, dunno about M.O.)
-// Book only describes ODS-2. Need to test ODS-1 and ODS-5
-// There is an ODS with signature "DECFILES11A", yet to be seen
-// Time is a 64 bit unsigned integer, tenths of microseconds since 1858/11/17 00:00:00.
-/// <inheritdoc />
-/// <summary>Implements detection of DEC's On-Disk Structure, aka the ODS filesystem</summary>
 public sealed partial class ODS
 {
 #region IFilesystem Members
diff --git a/Aaru.Filesystems/ODS/ODS.cs b/Aaru.Filesystems/ODS/ODS.cs
index b49e522a2..b989b6564 100644
--- a/Aaru.Filesystems/ODS/ODS.cs
+++ b/Aaru.Filesystems/ODS/ODS.cs
@@ -31,6 +31,8 @@
 // ****************************************************************************/
 
 using System;
+using System.Collections.Generic;
+using Aaru.CommonTypes.AaruMetadata;
 using Aaru.CommonTypes.Interfaces;
 
 namespace Aaru.Filesystems;
@@ -38,17 +40,25 @@ namespace Aaru.Filesystems;
 // Information from VMS File System Internals by Kirby McCoy
 // ISBN: 1-55558-056-4
 // With some hints from http://www.decuslib.com/DECUS/vmslt97b/gnusoftware/gccaxp/7_1/vms/hm2def.h
+// And the Linux ODS5 implementation by Hartmut Becker
 // Expects the home block to be always in sector #1 (does not check deltas)
 // Assumes a sector size of 512 bytes (VMS does on HDDs and optical drives, dunno about M.O.)
 // Book only describes ODS-2. Need to test ODS-1 and ODS-5
 // There is an ODS with signature "DECFILES11A", yet to be seen
 // Time is a 64 bit unsigned integer, tenths of microseconds since 1858/11/17 00:00:00.
 /// <inheritdoc />
-/// <summary>Implements detection of DEC's On-Disk Structure, aka the ODS filesystem</summary>
-public sealed partial class ODS : IFilesystem
+/// <summary>Implements DEC's On-Disk Structure, aka the ODS filesystem</summary>
+public sealed partial class ODS : IReadOnlyFilesystem
 {
     const string MODULE_NAME = "Files-11 plugin";
 
+    /// <inheritdoc />
+    public FileSystem Metadata { get; private set; }
+    /// <inheritdoc />
+    public IEnumerable<(string name, Type type, string description)> SupportedOptions { get; } = [];
+    /// <inheritdoc />
+    public Dictionary<string, string> Namespaces { get; } = [];
+
 #region IFilesystem Members
 
     /// <inheritdoc />
diff --git a/Aaru.Filesystems/ODS/Structs.cs b/Aaru.Filesystems/ODS/Structs.cs
index 14b19b26f..038a9569c 100644
--- a/Aaru.Filesystems/ODS/Structs.cs
+++ b/Aaru.Filesystems/ODS/Structs.cs
@@ -34,17 +34,6 @@ using System.Runtime.InteropServices;
 
 namespace Aaru.Filesystems;
 
-// Information from VMS File System Internals by Kirby McCoy
-// ISBN: 1-55558-056-4
-// With some hints from http://www.decuslib.com/DECUS/vmslt97b/gnusoftware/gccaxp/7_1/vms/hm2def.h
-// And the Linux ODS5 implementation by Hartmut Becker
-// Expects the home block to be always in sector #1 (does not check deltas)
-// Assumes a sector size of 512 bytes (VMS does on HDDs and optical drives, dunno about M.O.)
-// Book only describes ODS-2. Need to test ODS-1 and ODS-5
-// There is an ODS with signature "DECFILES11A", yet to be seen
-// Time is a 64 bit unsigned integer, tenths of microseconds since 1858/11/17 00:00:00.
-/// <inheritdoc />
-/// <summary>Implements detection of DEC's On-Disk Structure, aka the ODS filesystem</summary>
 public sealed partial class ODS
 {
 #region Nested type: HomeBlock
diff --git a/Aaru.Filesystems/ODS/Unimplemented.cs b/Aaru.Filesystems/ODS/Unimplemented.cs
new file mode 100644
index 000000000..4d275c1ea
--- /dev/null
+++ b/Aaru.Filesystems/ODS/Unimplemented.cs
@@ -0,0 +1,82 @@
+// /***************************************************************************
+// Aaru Data Preservation Suite
+// ----------------------------------------------------------------------------
+//
+// Filename       : Unimplemented.cs
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// Component      : Files-11 On-Disk Structure plugin.
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This library is free software; you can redistribute it and/or modify
+//     it under the terms of the GNU Lesser General Public License as
+//     published by the Free Software Foundation; either version 2.1 of the
+//     License, or (at your option) any later version.
+//
+//     This library is distributed in the hope that it will be useful, but
+//     WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+//     Lesser General Public License for more details.
+//
+//     You should have received a copy of the GNU Lesser General Public
+//     License along with this library; if not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2011-2026 Natalia Portillo
+// ****************************************************************************/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Aaru.CommonTypes;
+using Aaru.CommonTypes.Enums;
+using Aaru.CommonTypes.Interfaces;
+using Aaru.CommonTypes.Structs;
+
+namespace Aaru.Filesystems;
+
+public sealed partial class ODS
+{
+    /// <inheritdoc />
+    public ErrorNumber Mount(IMediaImage                imagePlugin, Partition partition, Encoding encoding,
+                             Dictionary<string, string> options,     string    @namespace) =>
+        throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber Unmount() => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber ListXAttr(string path, out List<string> xattrs) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber GetXattr(string path, string xattr, ref byte[] buf) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber StatFs(out FileSystemInfo stat) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber Stat(string path, out FileEntryInfo stat) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber ReadLink(string path, out string dest) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber OpenFile(string path, out IFileNode node) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber CloseFile(IFileNode node) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber ReadFile(IFileNode node, long length, byte[] buffer, out long read) =>
+        throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber OpenDir(string path, out IDirNode node) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber CloseDir(IDirNode node) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber ReadDir(IDirNode node, out string filename) => throw new NotImplementedException();
+}
\ No newline at end of file