• Description has changed:

Diff:

--- old
+++ new
@@ -1,3 +1,3 @@
-In some rare cases, if an empty backup has left by a failure in barman archive, the cron could begin to trash wal files, as if there is no available backups.
+In some rare cases, if an empty backup has left by a failure during a backup, the cron could start trashin WAL files, as if there is no available backups.

 Ref: https://groups.google.com/forum/#!topic/pgbarman/eN-NJghyi1s