Description of problem:

I was trying to add host with 3.0 vdsm (vdsm-4.9-113.4.el6_3.x86_64) to
3.0 cluster in RHEVM 3.3 (is10). I ended up with following error in UI
Failed to install Host dell-06. Failed to execute stage 'Closing up':
Command 'vdsm-tool' is required but missing.


Version-Release number of selected component (if applicable):
Red Hat Enterprise Virtualization Manager Version: 3.3.0-0.15.master.el6ev 

How reproducible:
100%

Steps to Reproduce:
see descritpion

Actual results:
cannot add 3.0 host to 3.3 rhevm with 3.0 cluster

Expected results:
host is added

Additional info:

This is in deploy log

2013-08-21 13:53:15 DEBUG otopi.context context._executeMethod:132
method exception
Traceback (most recent call last):
   File "/tmp/ovirt-gajRK4xaY1/pythonlib/otopi/context.py", line 122, in
_executeMethod
     method['method']()
   File
"/tmp/ovirt-gajRK4xaY1/otopi-plugins/ovirt-host-deploy/vdsm/packages.py",
line
137, in _reconfigure
     self.command.get('vdsm-tool'),
   File "/tmp/ovirt-gajRK4xaY1/pythonlib/otopi/command.py", line 86, in get
     command=command
RuntimeError: Command 'vdsm-tool' is required but missing
2013-08-21 13:53:15 ERROR otopi.context context._executeMethod:141
Failed to execute stage 'Closing up': Command 'vdsm-tool' is required
but missing