diff --git a/src/calibre/gui2/custom_column_widgets.py b/src/calibre/gui2/custom_column_widgets.py
index 1d265fea1e..1758116e7a 100644
--- a/src/calibre/gui2/custom_column_widgets.py
+++ b/src/calibre/gui2/custom_column_widgets.py
@@ -492,7 +492,6 @@ class BulkSeries(BulkBase):
         if clear or val != '':
             extras = []
             next_index = self.db.get_next_cc_series_num_for(val, num=self.col_id)
-            print 'cc commit next index', next_index
             for book_id in book_ids:
                 if clear:
                     extras.append(None)
diff --git a/src/calibre/gui2/preferences/misc.py b/src/calibre/gui2/preferences/misc.py
index e72a1921ef..37887d56dc 100644
--- a/src/calibre/gui2/preferences/misc.py
+++ b/src/calibre/gui2/preferences/misc.py
@@ -95,11 +95,7 @@ class ConfigWidget(ConfigWidgetBase, Ui_Form):
 
     def mark_dirty(self):
         db = self.gui.library_view.model().db
-        ids = [id for id in db.data.iterallids()]
-        db.dirtied(ids)
-        info_dialog(self, _('Backup metadata'),
-            _('Metadata will be backed up while calibre is running, at the '
-              'rate of 30 books per minute.'), show=True)
+        db.dirtied(list(db.data.iterallids()))
 
     def debug_device_detection(self, *args):
         from calibre.gui2.preferences.device_debug import DebugDevice
diff --git a/src/calibre/library/caches.py b/src/calibre/library/caches.py
index 9d6f87324f..7a15cb3ce1 100644
--- a/src/calibre/library/caches.py
+++ b/src/calibre/library/caches.py
@@ -48,7 +48,7 @@ class MetadataBackup(Thread): # {{{
         while self.keep_running:
             try:
                 time.sleep(0.5) # Limit to two per second
-                id_ = self.db.dirtied_queue.get(True, 2)
+                id_ = self.db.dirtied_queue.get(True, 1.45)
             except Empty:
                 continue
             except:
diff --git a/src/calibre/library/database2.py b/src/calibre/library/database2.py
index 6f628d8454..ce72b473e1 100644
--- a/src/calibre/library/database2.py
+++ b/src/calibre/library/database2.py
@@ -566,7 +566,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
     def metadata_for_field(self, key):
         return self.field_metadata[key]
 
-    def clear_dirtied(self, book_ids=None):
+    def clear_dirtied(self, book_ids):
         '''
         Clear the dirtied indicator for the books. This is used when fetching
         metadata, creating an OPF, and writing a file are separated into steps.
@@ -585,7 +585,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
         self.conn.commit()
 
     def dump_metadata(self, book_ids=None, remove_from_dirtied=True,
-            commit=True, dump_to=None):
+            commit=True):
         '''
         Write metadata for each record to an individual OPF file
 
@@ -598,19 +598,12 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
         for book_id in book_ids:
             if not self.data.has_id(book_id):
                 continue
-            mi = self.get_metadata(book_id, index_is_id=True, get_cover=False)
-            # Always set cover to cover.jpg. Even if cover doesn't exist,
-            # no harm done. This way no need to call dirtied when
-            # cover is set/removed
-            mi.cover = 'cover.jpg'
+            path, mi = self.get_metadata_for_dump(book_id)
+            if path is None:
+                continue
             raw = metadata_to_opf(mi)
-            path = os.path.join(self.abspath(book_id, index_is_id=True),
-                    'metadata.opf')
-            if dump_to is None:
-                with open(path, 'wb') as f:
-                    f.write(raw)
-            else:
-                dump_to.append((path, raw))
+            with open(path, 'wb') as f:
+                f.write(raw)
             if remove_from_dirtied:
                 self.conn.execute('DELETE FROM metadata_dirtied WHERE book=?',
                         (book_id,))
@@ -660,9 +653,13 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
         try:
             path = os.path.join(self.abspath(idx, index_is_id=True), 'metadata.opf')
             mi = self.get_metadata(idx, index_is_id=True)
+            # Always set cover to cover.jpg. Even if cover doesn't exist,
+            # no harm done. This way no need to call dirtied when
+            # cover is set/removed
+            mi.cover = 'cover.jpg'
         except:
-            return ((None, None))
-        return ((path, mi))
+            return (None, None)
+        return (path, mi)
 
     def get_metadata(self, idx, index_is_id=False, get_cover=False):
         '''
diff --git a/src/calibre/library/restore.py b/src/calibre/library/restore.py
index d34e831fc7..c81cf7abcb 100644
--- a/src/calibre/library/restore.py
+++ b/src/calibre/library/restore.py
@@ -48,12 +48,13 @@ class Restore(Thread):
         self.books = []
         self.conflicting_custom_cols = {}
         self.failed_restores = []
+        self.mismatched_dirs = []
         self.successes = 0
         self.tb = None
 
     @property
     def errors_occurred(self):
-        return self.failed_dirs or \
+        return self.failed_dirs or self.mismatched_dirs or \
                 self.conflicting_custom_cols or self.failed_restores
 
     @property
@@ -74,6 +75,13 @@ class Restore(Thread):
             for x in self.conflicting_custom_cols:
                 ans += '\t#'+x+'\n'
 
+        if self.mismatched_dirs:
+            ans += '\n\n'
+            ans += 'The following folders were ignored:\n'
+            for x in self.mismatched_dirs:
+                ans += '\t'+x+'\n'
+
+
         return ans
 
 
@@ -140,7 +148,7 @@ class Restore(Thread):
                 'path': path,
             })
         else:
-            self.ignored_dirs.append(dirpath)
+            self.mismatched_dirs.append(dirpath)
 
     def create_cc_metadata(self):
         self.books.sort(key=itemgetter('timestamp'))