Fresh install failing

Hi I am getting below error when trying to start zenoss for the first time.

Zenoss not initialized. Performing first-boot initialization...
Fresh install pre steps
Checking RRDtool version >= 1.4.7: [ OK ] 1.4.7
Dropping database: zodb_session
Traceback (most recent call last):
File "/opt/zenoss/bin/zeneventserver-create-db", line 287, in
migrator.dropDatabase()
File "/opt/zenoss/bin/zeneventserver-create-db", line 71, in dropDatabase
subprocess.check_call(cmd)
File "/opt/zenoss/lib/python2.7/subprocess.py", line 506, in check_call
retcode = call(*popenargs, **kwargs)
File "/opt/zenoss/lib/python2.7/subprocess.py", line 493, in call
return Popen(*popenargs, **kwargs).wait()
File "/opt/zenoss/lib/python2.7/subprocess.py", line 679, in __init__
errread, errwrite)
File "/opt/zenoss/lib/python2.7/subprocess.py", line 1228, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory
Failed to create ZODB session database

I ahve verified connectivity to DB is fine. my global.conf file is updated as excepted and rabbitmq is fine. Any pointer please help.