Re: [ovirt-users] Hosted engine deploy: problem with the rDNS of another iface

On Wed, Sep 14, 2016 at 2:07 PM, Davide Ferrari <davide(a)billymob.com&gt; wrote: > But bond0/192.168.10.225 is the only interface I have (right now) to > connect to the machine. So, I should create another interface, dedicated to > management? Right now I'm using bond0 as the source iface for the mgm > bridge. > No this is absolutely fine; the problem is just that 'vm01.mydomain.tld' should uniquely resolve there and it should not resolve also on bond1 otherwise you can hit the issue I mentioned before. > > 2016-09-14 14:02 GMT+02:00 Simone Tiraboschi <stirabos(a)redhat.com&gt;: > >> >> >> On Wed, Sep 14, 2016 at 1:53 PM, Davide Ferrari <davide(a)billymob.com&gt; >> wrote: >> >>> Ciao Simone! >>> >>> Absolutely, here it is (please not that I've obfuscated domain names >>> but they are consistent with what I wrote before, the hostnames are exactly >>> the same I have in my env). If you need the original log, tell me but I >>> will mail it to you privately. >>> >> >> The issue is here: >> >> 2016-09-14 13:47:51 DEBUG otopi.plugins.gr_he_common.network.bridge >> bridge._get_hostname_from_bridge_if:325 hostname: 'vm01.mydomain.tld', >> aliaslist: '[]', ipaddrlist: '['192.168.10.225', '10.30.0.1']' >> >> You can reproduce it with: >> python -c 'import socket; print(socket.gethostbyaddr("19 >> 2.168.10.225"));' >> >> 'vm01.mydomain.tld' should resolve just on the interface you selected to >> create the management bridge on. >> This is because hosted-engine-setup is creating the management bridge on >> that interface before starting the engine VM and when when it will call >> hosts.add on the REST API to add your first host to the engine it can just >> specify an host address by not an interface name and so host-deploy, >> triggered by the engine, will recreate the management bridge on the >> interface where the address we passed resolves on. >> So we have to avoid any ambiguity here. >> >> >> >>> >>> Thanks! >>> >>> 2016-09-14 13:37 GMT+02:00 Simone Tiraboschi <stirabos(a)redhat.com&gt;: >>> >>>> >>>> On Wed, Sep 14, 2016 at 1:25 PM, Davide Ferrari <davide(a)billymob.com&gt; >>>> wrote: >>>> >>>>> Hello >>>>> >>>>> I've got the same exact problem as in this thread: >>>>> >>>>> http://lists.ovirt.org/pipermail/users/2016-July/041111.html >>>>> >>>>> (sorry for not answering there but I've just subscribed). The error >>>>> (for the record) is: >>>>> >>>>> Failed to execute stage 'Setup validation': hostname >>>>> 'vm01.mydomain.tld' doesn't uniquely match the interface 'bond0' selected >>>>> for the management bridge; it matches also interface with IP >>>>> set(['10.30.0.1']). Please make sure that the hostname got from the >>>>> interface for the management network resolves only there. >>>>> >>>>> 10.30.0.1 is set on bond1 and is used for the glusterfs network. The >>>>> python output is: >>>>> >>>>> python -c 'import socket; print(socket.gethostbyaddr("10.30.0.1"));' >>>>> ('glu-ovirt01.storage', [], ['10.30.0.1']) >>>>> >>>>> which obviously is completely different from vm01.mydomain.tld. >>>>> So, I don't really get this error. I've used >>>>> glu-ovirt01.storage:/engine as the glusterfs entry point for storing the >>>>> engine image, that's all. >>>>> >>>>> Any idea on how to fix the error? >>>>> >>>> >>>> Ciao Davide, >>>> can you please attach the whole hosted-engine-setup log file? >>>> >>>> >>>>> >>>>> TIA >>>>> >>>>> -- >>>>> Davide Ferrari >>>>> Senior Systems Engineer >>>>> >>>>> _______________________________________________ >>>>> Users mailing list >>>>> Users(a)ovirt.org >>>>> http://lists.ovirt.org/mailman/listinfo/users >>>>> >>>>> >>>> >>> >>> >>> -- >>> Davide Ferrari >>> Senior Systems Engineer >>> >> >> > > > -- > Davide Ferrari > Senior Systems Engineer >