<div dir="ltr"><div><div><div><div>Hi Peter,<br></div>Thanks again for trying to help out on this one.<br></div>Unfortunately this sent me right back to where I started.<br></div>When you grep for DNS entries the only matching file is /etc/sysconfig/network-<wbr>scripts/ifcfg-ovirtmgmt<br></div><div>As per my previous email this file is also generated (by VDSM this time) and I don't see how to update the VDSM database so that it generates the file with different entries.<br></div><div>It's turtles all the way down :)<br><br></div><div>Kirin.<br><div><div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Mar 16, 2018 at 5:12 PM, Peter Hudec <span dir="ltr"><<a href="mailto:phudec@cnc.sk" target="_blank">phudec@cnc.sk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Remove any settings about dns from the network manager adn the<br>
/etc/resolv.conf won't be auto generated.<br>
<br>
<a href="https://ma.ttias.be/centos-7-networkmanager-keeps-overwriting-etcresolv-conf/" rel="noreferrer" target="_blank">https://ma.ttias.be/centos-7-<wbr>networkmanager-keeps-<wbr>overwriting-etcresolv-conf/</a><br>
<br>
Peter<br>
<br>
On 16/03/2018 02:15, Kirin van der Veer wrote:<br>
> Ďakujem Peter, but this doesn't seem to work in my case.<br>
> /etc/resolv.conf is regenerated by Network Manager after a reboot<br>
> and my domain settings are lost. Your comments regarding the<br>
> reliance on DNS make sense for most installations, but in my case<br>
> oVirt is a secondary service that I would not expect to run unless<br>
> our core infrastructure is working correctly. I'm hesitant to edit<br>
> /etc/hosts directly, since that can lead to confusion when the<br>
> underlying IP addresses change. For now I will hardcode the IPs of<br>
> my servers. It's frustrating (and surprising) that there is not an<br>
> easy way to do this.<br>
><br>
> Kirin.<br>
><br>
> On Thu, Mar 15, 2018 at 5:17 PM, Peter Hudec <<a href="mailto:phudec@cnc.sk">phudec@cnc.sk</a><br>
> <mailto:<a href="mailto:phudec@cnc.sk">phudec@cnc.sk</a>>> wrote:<br>
><br>
> Hi Kirin,<br>
><br>
> I suggest to do it old way and edit the /etc/resolv.conf manually.<br>
><br>
> And one advice. Do not relay on the DNS on infrastructure servers.<br>
> Use /etc/hosts. If he DNS will not be accessible, you will have<br>
> problem to put it infrastructure up/working. As side effect the<br>
> hosts allow you to use short names to access servers.<br>
><br>
> If you are ansible positive, you could use<br>
><br>
> hudecof.resolv <a href="https://galaxy.ansible.com/hudecof/resolv/" rel="noreferrer" target="_blank">https://galaxy.ansible.com/<wbr>hudecof/resolv/</a><br>
> <<a href="https://galaxy.ansible.com/hudecof/resolv/" rel="noreferrer" target="_blank">https://galaxy.ansible.com/<wbr>hudecof/resolv/</a>> hudecof.hosts<br>
> <a href="https://galaxy.ansible.com/hudecof/hosts/" rel="noreferrer" target="_blank">https://galaxy.ansible.com/<wbr>hudecof/hosts/</a><br>
> <<a href="https://galaxy.ansible.com/hudecof/hosts/" rel="noreferrer" target="_blank">https://galaxy.ansible.com/<wbr>hudecof/hosts/</a>><br>
><br>
><br>
> Peter<br>
><br>
> On 15/03/2018 06:03, Kirin van der Veer wrote:<br>
>> Hi oVirt people, I have setup a new cluster consisting of many<br>
>> oVirt Nodes with a single dedicated oVirt Engine machine. For<br>
>> the most part things are working, however despite entering the<br>
>> DNS search domain during install on the Nodes the management<br>
>> interface is not aware of my search domain and it has not been<br>
>> added to /etc/resolv.conf (perhaps that is unnecessary?). I<br>
>> eventually worked out that the DNS search domain should be<br>
>> included in /etc/sysconfig/network-<wbr>scripts/ifcfg-ovirtmgmt<br>
>> However as per the header/warning, that file is generated by<br>
>> VDSM. I assumed that I should be able to edit the search domain<br>
>> with vdsClient, but when I run "vdsClient -m" I don't see any<br>
>> options related to network config. I found the following page on<br>
>> DNS config:<br>
>><br>
> <a href="https://www.ovirt.org/develop/release-management/features/network/allowExplicitDnsConfiguration/" rel="noreferrer" target="_blank">https://www.ovirt.org/develop/<wbr>release-management/features/<wbr>network/<wbr>allowExplicitDnsConfiguration/</a><br>
><br>
><br>
<<a href="https://www.ovirt.org/develop/release-management/features/network/allowExplicitDnsConfiguration/" rel="noreferrer" target="_blank">https://www.ovirt.org/<wbr>develop/release-management/<wbr>features/network/<wbr>allowExplicitDnsConfiguration/</a><wbr>><br>
>><br>
>><br>
> But it does not seem to offer a way of specifying the DNS search<br>
> domain<br>
>> (other than perhaps directly editing /etc/resolv.conf - which is<br>
>> generated/managed by Network Manager). nmcli reports that all of<br>
>> my interfaces (including ovirtmgmt) are "unmanaged". Indeed when<br>
>> I attempt to run nmtui there is nothing listed to configure.<br>
>> This should be really simple! I just want to add my local search<br>
>> domain so I can use the short name for my NFS server. I'd<br>
>> appreciate any advice.<br>
>><br>
>> Thanks in advance, Kirin.<br>
>><br>
>><br>
>> .<br>
>><br>
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