[ovirt-users] Ovirt Node Installtion

1. I install the ovirt node 4.2 in KVM on centos 7. when i try to install package or yum update it shows the message" Cannot retrieve metalink for repository: ovirt-4.2-epel/x86_64. Please verify its path and try again Uploading Enabled Repositories Report Loaded plugins: fastestmirror, product-id Cannot upload enabled repos report, is this client registered?" this system have full internet access please give me the solution for this issue 2. We need to test ovirt node and ovirt engine for load balance in vm so please help me or have any unregister ovirt node 3. In Web GUI of Ovirt node console the "Domain Join option is disable" is possible to enable