RHUA server starting fails with an error "pymongo.errors.AutoReconnect: could not find master/primary"

Issue

RHUA server was shutdown during network outage. After restarting the server, pulp-server deamon did not start automatically at boot. Trying to initialize causing below errors.

# /etc/init.d/pulp-server restart
Stopping httpd:                                            [FAILED]
Stopping Qpid AMQP daemon:                                 [  OK  ]
Pulp database not initialized, please run: /etc/init.d/pulp-server init

Trying to run '/etc/init.d/pulp-server init' command

# /etc/init.d/pulp-server init
Starting mongod:                                           [  OK  ]
Traceback (most recent call last):
  File "/usr/bin/pulp-migrate", line 19, in <module>
    from pulp.server.db.migrate import script
  File "/usr/lib/python2.6/site-packages/pulp/server/db/migrate/script.py", line 26, in <module>
    connection.initialize()
  File "/usr/lib/python2.6/site-packages/pulp/server/db/connection.py", line 47, in initialize
    _connection = pymongo.Connection(seeds)
  File "/usr/lib64/python2.6/site-packages/pymongo/connection.py", line 305, in __init__
    self.__find_master()
  File "/usr/lib64/python2.6/site-packages/pymongo/connection.py", line 509, in __find_master
    raise AutoReconnect("could not find master/primary")
pymongo.errors.AutoReconnect: could not find master/primary