[ovirt-users] The he_fqdn proposed for the engine VM resolves on this host

Installing oVirt is not so easy as stated, i am struck up in FQDN resolution , i have this FQDN (vmanager.headache.com) resolve to ip 10.1.1.6 in DNS within the network,additionally i also input this entries into /etc/hosts file. while installing ( may be 8 times ) ,i am struck up with error " he_fqdn proposed for the engine VM resolves on this host " . The network is using vlan ip, the host is already installed bare metal into cisco c240-m5 with RH virtualization ver 4.4 ,its installed on IP :10.1.1.5. the problem is with installing the self hosted engine (ovirt). the vlan are like eno2.vlan7 and eno2.vlan7.1 /etc/hosts 10.1.1.6 vmanager.headache.com vmanager 10.1.1.5 vhrh1.headache.com vhrh1 10.1.1.6 vmanager.headache.com 10.1.1.5 vhrh1.headache.com i even tried cli install,,here also the same issue .. below are the error .. Host name is not valid: vmanager.headache.com resolves to 10.1.1.6 Host name is not valid: vman.headache.com did not resolve into an IP address Pls any body help here ,,,what i am doing wrong...