Update for git mirror, separate dev build

docs/ha-docker-swarm/maintenance.md

@@ -1,3 +1,30 @@
 # Introduction
 
 ## Adding a host
+
+## Adding storage
+
+gluster volume add-brick VOLNAME NEW_BRICK
+
+example
+
+# gluster volume add-brick test-volume server4:/exp4
+Add Brick successful
+
+# Replacing failed host
+
+[root@glusterfs-server /]# gluster peer status
+Number of Peers: 1
+
+Hostname: ds1
+Uuid: db9c80da-11e4-461d-8ea5-66dd12ca897c
+State: Peer in Cluster (Disconnected)
+[root@glusterfs-server /]#
+
+Grab UUID above
+
+edit /var/lib/glusterd/glusterd.info
+change:
+UUID=aee45c2c-aa19-4d29-bc94-4833f2b22863
+to
+UUID=db9c80da-11e4-461d-8ea5-66dd12ca897c