--- swift-recon-cron-orig       2015-09-21 16:28:46.373206934 -0700
+++ swift-recon-cron    2015-09-17 15:58:19.470927286 -0700
@@ -29,18 +29,22 @@
     async_count = 0
     for i in os.listdir(device_dir):
         device = os.path.join(device_dir, i)
-        for asyncdir in os.listdir(device):
-            # skip stuff like "accounts", "containers", etc.
-            if not (asyncdir == ASYNCDIR_BASE or
-                    asyncdir.startswith(ASYNCDIR_BASE + '-')):
-                continue
-            async_pending = os.path.join(device, asyncdir)
+        try:
+           for asyncdir in os.listdir(device):
+               # skip stuff like "accounts", "containers", etc.
+               if not (asyncdir == ASYNCDIR_BASE or
+                       asyncdir.startswith(ASYNCDIR_BASE + '-')):
+                   continue
+               async_pending = os.path.join(device, asyncdir)

-            if os.path.isdir(async_pending):
-                for entry in os.listdir(async_pending):
-                    if os.path.isdir(os.path.join(async_pending, entry)):
-                        async_hdir = os.path.join(async_pending, entry)
-                        async_count += len(os.listdir(async_hdir))
+               if os.path.isdir(async_pending):
+                   for entry in os.listdir(async_pending):
+                       if os.path.isdir(os.path.join(async_pending, entry)):
+                           async_hdir = os.path.join(async_pending, entry)
+                           async_count += len(os.listdir(async_hdir))
+        except OSError as e:
+           logger.critical(str(e))
+           continue
     return async_count