diff --git a/debian/ceph-mds.postinst b/debian/ceph-mds.postinst
index 66b3b5fc2d7..b69efedaafb 100644
--- a/debian/ceph-mds.postinst
+++ b/debian/ceph-mds.postinst
@@ -18,10 +18,18 @@ set -e
 # for details, see http://www.debian.org/doc/debian-policy/ or
 # the debian-policy package
 
+[ -f "/etc/default/ceph" ] && . /etc/default/ceph
+[ -z "$SERVER_USER" ] && SERVER_USER=ceph
+[ -z "$SERVER_GROUP" ] && SERVER_GROUP=ceph
 
 case "$1" in
     configure)
 	[ -x /sbin/start ] && start ceph-mds-all || :
+
+	if ! dpkg-statoverride --list /var/lib/ceph/mds >/dev/null
+	then
+            chown $SERVER_USER:$SERVER_GROUP /var/lib/ceph/mds
+	fi
     ;;
     abort-upgrade|abort-remove|abort-deconfigure)
 	:
diff --git a/debian/ceph.postinst b/debian/ceph.postinst
index 5d64f640b99..75eeb59c624 100644
--- a/debian/ceph.postinst
+++ b/debian/ceph.postinst
@@ -24,11 +24,22 @@ set -e
 # for details, see http://www.debian.org/doc/debian-policy/ or
 # the debian-policy package
 
+[ -f "/etc/default/ceph" ] && . /etc/default/ceph
+[ -z "$SERVER_USER" ] && SERVER_USER=ceph
+[ -z "$SERVER_GROUP" ] && SERVER_GROUP=ceph
 
 case "$1" in
     configure)
 	rm -f /etc/init/ceph.conf
 	[ -x /sbin/start ] && start ceph-all || :
+
+        # adjust file and directory permissions
+	for DIR in /var/lib/ceph/* ; do
+	    if ! dpkg-statoverride --list $DIR >/dev/null
+	    then
+		chown $SERVER_USER:$SERVER_GROUP $DIR
+	    fi
+	done
     ;;
     abort-upgrade|abort-remove|abort-deconfigure)
 	:
diff --git a/debian/radosgw.postinst b/debian/radosgw.postinst
index f3468bc60bf..07e3ec30b6d 100644
--- a/debian/radosgw.postinst
+++ b/debian/radosgw.postinst
@@ -24,10 +24,18 @@ set -e
 # for details, see http://www.debian.org/doc/debian-policy/ or
 # the debian-policy package
 
+[ -f "/etc/default/ceph" ] && . /etc/default/ceph
+[ -z "$SERVER_USER" ] && SERVER_USER=ceph
+[ -z "$SERVER_GROUP" ] && SERVER_GROUP=ceph
 
 case "$1" in
     configure)
 	[ -x /sbin/start ] && start radosgw-all || :
+
+	if ! dpkg-statoverride --list /var/lib/ceph/radosgw >/dev/null
+	then
+            chown $SERVER_USER:$SERVER_GROUP /var/lib/ceph/radosgw
+	fi
     ;;
     abort-upgrade|abort-remove|abort-deconfigure)
 	: