diff --git a/src/commands.rs b/src/commands.rs
index 78cf0cf..037620d 100644
--- a/src/commands.rs
+++ b/src/commands.rs
@@ -21,7 +21,7 @@ lazy_static!{
     };
 }
 
-struct ImageUploadInfo {
+pub struct ImageUploadInfo {
     wid: u64,
     device_name: String,
     zero_chunk_digest: [u8; 32],
@@ -30,34 +30,34 @@ struct ImageUploadInfo {
     upload_result: Option<UploadResultReceiver>,
 }
 
-pub (crate) struct ImageRegistry {
-    upload_info: Vec<ImageUploadInfo>,
+pub struct Registry<T> {
+    pub info_list: Vec<T>,
     file_list: Vec<Value>,
 }
 
-impl ImageRegistry {
+impl<T> Registry<T> {
 
     pub fn new() -> Self {
         Self {
-            upload_info: Vec::new(),
+            info_list: Vec::new(),
             file_list: Vec::new(),
         }
     }
 
-    fn register(&mut self, info: ImageUploadInfo) -> Result<u8, Error> {
-        let dev_id = self.upload_info.len();
+    pub fn register(&mut self, info: T) -> Result<u8, Error> {
+        let dev_id = self.info_list.len();
         if dev_id > 255 {
-            bail!("register image faild - to many images (limit is 255)");
+            bail!("register failed - too many images/archives (limit is 255)");
         }
-        self.upload_info.push(info);
+        self.info_list.push(info);
         Ok(dev_id as u8)
     }
 
-    fn lookup(&mut self, dev_id: u8) -> Result<&mut ImageUploadInfo, Error> {
-        if dev_id as usize >= self.upload_info.len() {
-            bail!("image lookup failed for dev_id = {}", dev_id);
+    pub fn lookup(&mut self, id: u8) -> Result<&mut T, Error> {
+        if id as usize >= self.info_list.len() {
+            bail!("lookup failed for id = {}", id);
         }
-        Ok(&mut self.upload_info[dev_id as usize])
+        Ok(&mut self.info_list[id as usize])
     }
 }
 
@@ -90,7 +90,7 @@ async fn register_zero_chunk(
 
 pub(crate) async fn add_config(
     client: Arc<BackupWriter>,
-    registry: Arc<Mutex<ImageRegistry>>,
+    registry: Arc<Mutex<Registry<ImageUploadInfo>>>,
     name: String,
     data: Vec<u8>,
 ) -> Result<c_int, Error> {
@@ -114,7 +114,7 @@ pub(crate) async fn register_image(
     client: Arc<BackupWriter>,
     crypt_config: Option<Arc<CryptConfig>>,
     manifest: Option<Arc<BackupManifest>>,
-    registry: Arc<Mutex<ImageRegistry>>,
+    registry: Arc<Mutex<Registry<ImageUploadInfo>>>,
     known_chunks: Arc<Mutex<HashSet<[u8;32]>>>,
     device_name: String,
     device_size: u64,
@@ -197,7 +197,7 @@ pub(crate) async fn register_image(
 
 pub(crate) async fn close_image(
     client: Arc<BackupWriter>,
-    registry: Arc<Mutex<ImageRegistry>>,
+    registry: Arc<Mutex<Registry<ImageUploadInfo>>>,
     dev_id: u8,
 ) -> Result<c_int, Error> {
 
@@ -255,7 +255,7 @@ pub(crate) async fn close_image(
 pub(crate) async fn write_data(
     client: Arc<BackupWriter>,
     crypt_config: Option<Arc<CryptConfig>>,
-    registry: Arc<Mutex<ImageRegistry>>,
+    registry: Arc<Mutex<Registry<ImageUploadInfo>>>,
     known_chunks: Arc<Mutex<HashSet<[u8;32]>>>,
     dev_id: u8,
     data: DataPointer,
@@ -372,7 +372,7 @@ pub(crate) async fn write_data(
 
 pub(crate) async fn finish_backup(
     client: Arc<BackupWriter>,
-    registry: Arc<Mutex<ImageRegistry>>,
+    registry: Arc<Mutex<Registry<ImageUploadInfo>>>,
     setup: BackupSetup,
 ) -> Result<c_int, Error> {
 
diff --git a/src/restore.rs b/src/restore.rs
index 9da3066..e0b0926 100644
--- a/src/restore.rs
+++ b/src/restore.rs
@@ -1,17 +1,26 @@
 use anyhow::{bail, Error};
-use std::sync::Arc;
+use std::sync::{Arc, Mutex};
 
 use proxmox_backup::tools::runtime::{get_runtime, block_on};
 use proxmox_backup::backup::*;
 use proxmox_backup::client::{HttpClient, HttpClientOptions, BackupReader, RemoteChunkReader};
 
 use super::BackupSetup;
+use crate::commands::Registry;
+
+pub struct ImageAccessInfo {
+    pub reader: Arc<RemoteChunkReader>,
+    pub index: Arc<FixedIndexReader>,
+    pub archive_name: String,
+    pub archive_size: u64,
+}
 
 pub(crate) struct ProxmoxRestore {
     _runtime: Arc<tokio::runtime::Runtime>,
     pub client: Arc<BackupReader>,
     pub crypt_config: Option<Arc<CryptConfig>>,
     pub manifest: BackupManifest,
+    pub registry: Arc<Mutex<Registry<ImageAccessInfo>>>,
 }
 
 impl ProxmoxRestore {
@@ -64,6 +73,7 @@ impl ProxmoxRestore {
             manifest,
             client,
             crypt_config,
+            registry: Arc::new(Mutex::new(Registry::<ImageAccessInfo>::new())),
         })
     }
 
diff --git a/src/worker_task.rs b/src/worker_task.rs
index c919fa7..7e5face 100644
--- a/src/worker_task.rs
+++ b/src/worker_task.rs
@@ -18,7 +18,7 @@ pub(crate) struct BackupTask {
     crypt_config: Option<Arc<CryptConfig>>,
     writer: Mutex<Option<Arc<BackupWriter>>>,
     last_manifest: Mutex<Option<Arc<BackupManifest>>>,
-    registry: Arc<Mutex<ImageRegistry>>,
+    registry: Arc<Mutex<Registry<ImageUploadInfo>>>,
     known_chunks: Arc<Mutex<HashSet<[u8;32]>>>,
     abort: tokio::sync::broadcast::Sender<()>,
     aborted: Mutex<Option<String>>,  // set on abort, conatins abort reason
@@ -52,7 +52,7 @@ impl BackupTask {
 
         let (abort, _) = tokio::sync::broadcast::channel(16);
 
-        let registry = Arc::new(Mutex::new(ImageRegistry::new()));
+        let registry = Arc::new(Mutex::new(Registry::<ImageUploadInfo>::new()));
         let known_chunks = Arc::new(Mutex::new(HashSet::new()));
 
         Ok(Self { runtime, setup, crypt_config, abort, registry, known_chunks,