Zenoss cannot start services after reboot

Hello people

I have a severe problem with my zenoss 4.2.3 because after reboot the system cannot start the services, I done the steps that appear in this page but nothing works

https://support.zenoss.com/hc/en-us/articles/202193699-How-To-Confirm-Ze...

login as: root
root@172.16.3.51's password:
Last login: Thu Feb 26 09:26:19 2015 from 172.27.1.83
[root@dc1vkumozen01 ~]# ps ax | grep Zenoss
1320 pts/0 S+ 0:00 grep Zenoss
[root@dc1vkumozen01 ~]# service zenoss stop
Daemon: zeneventserver already stopped
[root@dc1vkumozen01 ~]# mount -t ext3 /dev/xvdb2 /mnt/tools/
[root@dc1vkumozen01 ~]# service memcached stop
Stopping memcached: [FAILED]
[root@dc1vkumozen01 ~]# service memcached stop
Stopping memcached: [FAILED]
[root@dc1vkumozen01 ~]# service rabbitmq-server stop
Stopping rabbitmq-server: RabbitMQ is not running
rabbitmq-server.
[root@dc1vkumozen01 ~]# service zends stop
ERROR! ZenDS server PID file could not be found!
[root@dc1vkumozen01 ~]# ps ax | grep Zenoss
1923 pts/0 S+ 0:00 grep Zenoss
[root@dc1vkumozen01 ~]# service zends start
Starting ZenDS .. ERROR! The server quit without updating PID file (/var/run/zends/zends.pid).
[root@dc1vkumozen01 ~]# /opt/zenoss/bin/python /opt/zenoss/Products/ZenRRD/zencommand.py
/opt/zenoss/bin/python: can't open file '/opt/zenoss/Products/ZenRRD/zencommand.py': [Errno 2] No such file or directory

Regards