Why hosted-engine setup is failing with error "Please make sure that the hostname got from the interface for the management network resolves only there."?
Issue
-
Installation via Cockpit fails for Self Hosted Engine fails with error below

-
The hosted-engine setup is failing with error below in the ovirt-hosted-engine-setup logs
2017-03-03 00:22:18 DEBUG otopi.plugins.gr_he_common.network.bridge bridge._get_hostname_from_bridge_if:290 Network info: {'netmask': u'255.255.255.0', 'ipaddr': u'192.168.1.10', 'gateway': u'192.168.1.1'}
2017-03-03 00:22:18 DEBUG otopi.plugins.gr_he_common.network.bridge bridge._get_hostname_from_bridge_if:326 hostname: 'host1.redhat.com', aliaslist: '[]', ipaddrlist: '['192.168.1.10', '10.100.224.11']'
2017-03-03 00:22:18 DEBUG otopi.context context._executeMethod:142 method exception
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/otopi/context.py", line 132, in _executeMethod
method['method']()
File "/usr/share/ovirt-hosted-engine-setup/scripts/../plugins/gr-he-common/network/bridge.py", line 343, in _get_hostname_from_bridge_if
o=other_ip,
RuntimeError: hostname 'host1.redhat.com' doesn't uniquely match the interface 'enp2s0f0' selected for the management bridge; it matches also interface with IP set(['10.100.224.11']). Please make sure that the hostname got from the interface for the management network resolves only there.
2017-03-03 00:22:18 ERROR otopi.context context._executeMethod:151 Failed to execute stage 'Setup validation': hostname 'host1.redhat.com' doesn't uniquely match the interface 'enp2s0f0' selected for the management bridge; it matches also interface with IP set(['10.100.224.11']). Please make sure that the hostname got from the interface for the management network resolves only there.
Environment
- Red Hat Virtualization 4.0
- Self Hosted Engine
- Red Hat Enterprise Virtualization host
- Cockpit Installation
- Multiple NIC's
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
