@@ -193,8 +193,11 @@ def fetch_local_list(args, recursive = None):

 		if 'md5' in cfg.sync_checks:

                     md5 = cache.md5(sr.st_dev, sr.st_ino, sr.st_mtime, sr.st_size)

 		    if md5 is None:

-                        md5 = loc_list.get_md5(relative_file) # this does the file I/O

-			cache.add(sr.st_dev, sr.st_ino, sr.st_mtime, sr.st_size, md5)

+			    try:

+                                md5 = loc_list.get_md5(relative_file) # this does the file I/O

+			    except IOError:

+                                continue

+			    cache.add(sr.st_dev, sr.st_ino, sr.st_mtime, sr.st_size, md5)

 		    loc_list.record_hardlink(relative_file, sr.st_dev, sr.st_ino, md5)

         return loc_list, single_file

@@ -460,7 +463,10 @@ def compare_filelists(src_list, dst_list, src_remote, dst_remote, delay_updates

 	    else:

                 # look for matching file in src

-		md5 = src_list.get_md5(relative_file)

+                try:

+                    md5 = src_list.get_md5(relative_file)

+		except IOError:

+                    md5 = None

 		if md5 is not None and dst_list.by_md5.has_key(md5):

                     # Found one, we want to copy

                     dst1 = list(dst_list.by_md5[md5])[0]

@@ -479,7 +485,10 @@ def compare_filelists(src_list, dst_list, src_remote, dst_remote, delay_updates

 	else:

             # dst doesn't have this file

             # look for matching file elsewhere in dst

-	    md5 = src_list.get_md5(relative_file)

+            try:

+                md5 = src_list.get_md5(relative_file)

+            except IOError:

+               md5 = None

 	    dst1 = dst_list.find_md5_one(md5)

 	    if dst1 is not None:

                 # Found one, we want to copy

@@ -61,6 +61,7 @@ class SortedDict(dict):

             return None

     def get_md5(self, relative_file):

+        """returns md5 if it can, or raises IOError if file is unreadable"""

         md5 = None

         if 'md5' in self[relative_file]:

             return self[relative_file]['md5']

@@ -918,7 +918,10 @@ def cmd_sync_local2remote(args):

                     val = local_list[src].get('gid')

                     warning(u"%s: Owner groupname not known. Storing GID=%d instead." % (src, val))

             elif attr == 'md5':

-                val = local_list.get_md5(src)

+                try:

+                    val = local_list.get_md5(src)

+                except IOError:

+                    val = None

             else:

                 val = getattr(local_list[src]['sr'], 'st_' + attr)

             attrs[attr] = val