diff --git a/WHATS_NEW b/WHATS_NEW
index 1a81bba0d..5b1b35bea 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,7 @@
 Version 2.00.30 - 
 ====================================
+  Extend dev_open logging.
+  Make clvmd_fix_conf.sh UNDOable.
 
 Version 2.00.29 - 27th November 2004
 ====================================
diff --git a/lib/device/dev-io.c b/lib/device/dev-io.c
index ed3ae9eea..d09e0d7ae 100644
--- a/lib/device/dev-io.c
+++ b/lib/device/dev-io.c
@@ -332,7 +332,8 @@ int dev_open_flags(struct device *dev, int flags, int direct, int quiet)
 	}
 
 	list_add(&_open_devices, &dev->open_list);
-	log_debug("Opened %s", dev_name(dev));
+	log_debug("Opened %s %s", dev_name(dev),
+		  flags & O_RDONLY ? "RO" : "RW");
 
 	return 1;
 }