do not backup current dir if present

PROD-20524

Change-Id: Ia0e7406851983222e901c0b70e04646677926261
diff --git a/ceph/files/backup/ceph-backup-client-runner.sh b/ceph/files/backup/ceph-backup-client-runner.sh
index 1dadc89..2c2a0b2 100644
--- a/ceph/files/backup/ceph-backup-client-runner.sh
+++ b/ceph/files/backup/ceph-backup-client-runner.sh
@@ -42,7 +42,7 @@
 
 {%- if osd.get('enabled', False) %}
     cp -a /etc/ceph/ $TMPDIR/
-    cp -a /var/lib/ceph/ $TMPDIR/{{ common.get('cluster_name', 'ceph') }}-$HOSTNAME/
+    rsync -arv --exclude=osd/{{ common.get('cluster_name', 'ceph') }}-*/current /var/lib/ceph $TMPDIR/{{ common.get('cluster_name', 'ceph') }}-$HOSTNAME/
 {%- elif mon.get('enabled', False) %}
     cp -a /etc/ceph/ $TMPDIR/
     service ceph-mon@$HOSTNAME stop