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

On 28/01/2021 13:42, Yedidyah Bar David wrote: Gee, to a novice such a myself this is off-putting disaster rather than nice intro to oVirt. It fails for me with or without DNS. Sure I fail to grasp the concepts here but docs is the place where I got to first and cannot find there anything which would nicely explain the meaning of network config prior to "hosted engine" deployment. Sure my config is not the most basic but neither it is very complex yet I can run circles with how oVirt employment, at the moment, endlessly. I have three subnets, a) I'd like to keep as external b) would be oVirt c) I'd like to keep internal but away from oVirt, for purposes like storage so.. I take of host name resolution (hosts or dns or both together) and start deployment in shell console. .. 1) first is the gateway which "hosted-engine" proposes to be a gateway on "external" net. Which I ignore as that would not work with what I want later down the process - "b" network to be used by oVirt - and I tell it so use 10.5.8.254 (which is not a real gateway as it does not route to the "outside") 2) I tell it to use "enp34s0f0np0" iface (that is host's iface which already has 10.5.8.49 on it). Other ifaces installer proposes are not good (obviously I do not want iface which is on "external" subnet). For "network connectivity" I've tried ping & dns. 3) Engine VM FQDN:  []: buster.private.ccn. (that resolves to 10.5.8.1 via hosts/dns and that is that the same "b" for oVirt net. This IP is not assigned to any iface, as I understand - it should not be) 4) Then I choose:  VM network be configured? (DHCP, Static)[DHCP]: static  Please enter the IP address to be used for the engine VM []: 10.5.8.1 5) I tell it to use three DNSes (I'm aiming at 3-node cluster) on the same "b" subnet: 10.5.8.49,10.5.8.65,10.5.8.97 6) For management: Please provide the hostname of this host on the management network - I say use "whale.private.ccnr.away", which is "c" subnet. And eventually I hit: ... [ ERROR ] fatal: [localhost]: FAILED! => {"changed": false, "msg": "The resolved address doesn't resolve on the selected interface\n"} ... and a few lines later (which probably matter less if at all): ... [ ERROR ] fatal: [localhost]: UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host via ssh: ssh: connect to host buster.private.ccn. port 22: No route to host", "skip_reason": "Host localhost is unreachable", "unreachable": true} .. I read post on the net, those I found, say "easy", but my initial experience is the opposite, it's like I mentioned - off-putting. Would anybody have a pointer I could follow where "network" part of deployment is nicely and precisely covered? Or any suggestions with what I'm missing here? All & any help appreciated. many thanks, L.