[RHOSP13] Instance cannot start after a shutdown - Traceback /etc/multipath.conf does not exist

Issue

Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 203, in decorated_function return function(self, context, *args, **kwargs) ...
**ProcessExecutionError: Unexpected error while running command. Command: multipath -f mpatha Exit code: 1 Stdout**: u'Feb 18 16:40:33 | **/etc/multipath.conf does not exist**, blacklisting all devices.\nFeb 18 16:40:33 | A default multipath.conf file is located at\nFeb 18 16:40:33 | /usr/share/doc/device-mapper-multipath-0.4.9/multipath.conf\nFeb 18 16:40:33 | You can run /sbin/mpathconf --enable to create\nFeb 18 16:40:33 | /etc/multipath.conf. See man mpathconf(8) for more details\nFeb 18 16:40:33 | mpatha3: map in use\nFeb 18 16:40:33 | failed to remove multipath map mpatha\n' Stderr: u''