diff --git a/src/core/src/index/revindex/disk_revindex.rs b/src/core/src/index/revindex/disk_revindex.rs
index 5c34e58968..dbd38c5b33 100644
--- a/src/core/src/index/revindex/disk_revindex.rs
+++ b/src/core/src/index/revindex/disk_revindex.rs
@@ -161,7 +161,7 @@ impl RevIndex {
         };
 
         let storage = if spec == "rocksdb://" {
-            todo!("init storage from db")
+            InnerStorage::new(RocksDBStorage::from_db(db.clone()))
         } else {
             InnerStorage::from_spec(spec)?
         };
@@ -184,7 +184,7 @@ impl RevIndex {
         }
         self.db.put_cf(&cf_metadata, MANIFEST, &wtr[..])?;
 
-        // write storage spec
+        // write storage specdisk_re
         let spec = self.collection.storage().spec();
 
         // TODO: check if spec if memstorage, would probably have to
@@ -489,6 +489,11 @@ impl RevIndexOps for RevIndex {
                 .map(|v| v.set_storage_unchecked(InnerStorage::new(new_storage)));
         }
 
+        // write storage spec
+        let cf_metadata = self.db.cf_handle(METADATA).unwrap();
+        let spec = "rocksdb://";
+        self.db.put_cf(&cf_metadata, STORAGE_SPEC, spec)?;
+
         Ok(())
     }
 
diff --git a/src/core/src/index/revindex/mod.rs b/src/core/src/index/revindex/mod.rs
index 309f672121..b46db02b3b 100644
--- a/src/core/src/index/revindex/mod.rs
+++ b/src/core/src/index/revindex/mod.rs
@@ -912,23 +912,40 @@ mod test {
             Some(selection.clone()),
         )?;
 
-        let mut index = index;
-        index
-            .internalize_storage()
-            .expect("Error internalizing storage");
+        {
+            let mut index = index;
+            index
+                .internalize_storage()
+                .expect("Error internalizing storage");
+
+            let (counter, query_colors, hash_to_color) = index.prepare_gather_counters(&query);
+
+            let matches_internal = index.gather(
+                counter,
+                query_colors,
+                hash_to_color,
+                0,
+                &query,
+                Some(selection.clone()),
+            )?;
+            assert_eq!(matches_external, matches_internal);
+        }
+        let new_path = outdir.path().join("new_index_path");
+        std::fs::rename(output.as_path(), new_path.as_path());
+
+        let index = RevIndex::open(new_path, false, None)?;
 
         let (counter, query_colors, hash_to_color) = index.prepare_gather_counters(&query);
 
-        let matches_internal = index.gather(
+        let matches_moved = index.gather(
             counter,
             query_colors,
             hash_to_color,
             0,
             &query,
-            Some(selection),
+            Some(selection.clone()),
         )?;
-
-        assert_eq!(matches_external, matches_internal);
+        assert_eq!(matches_external, matches_moved);
 
         Ok(())
     }
diff --git a/src/core/src/storage/rocksdb.rs b/src/core/src/storage/rocksdb.rs
index 122f933c62..a849a67633 100644
--- a/src/core/src/storage/rocksdb.rs
+++ b/src/core/src/storage/rocksdb.rs
@@ -33,6 +33,8 @@ impl RocksDBStorage {
 
         let db = Arc::new(DB::open_cf_descriptors(&opts, path, cfs).unwrap());
 
+        // TODO: save storage_args
+
         Self { db }
     }