[ovirt-users] Change IP Address of Ovirt Engine

[Dan Kenigsberg]

On Fri, Sep 04, 2015 at 09:04:25PM -0500, Darrell Budic wrote:
> I’m not the networking team, but I did change the IP of my engine and kept the same FQDN, and it seems to be fine :)
> 
> 
> > On Sep 3, 2015, at 9:42 AM, Sandro Bonazzola <sbonazzo at redhat.com> wrote:
> > 
> > 
> > 
> > On Thu, Aug 20, 2015 at 7:42 AM, Phil Gersekowski <philg at aspedia.net <mailto:philg at aspedia.net>> wrote:
> > We have an operational ovirt cluster where all nodes on 1 IP Network, and the oVirt Engine is on another IP Network and are wanting to change IP Address of the host of the ovirt engine so that it is on the same network as the nodes that are managed.
> > 
> > I have not been able to find a definative answer, but since I are NOT changing the name of the ovirt engine host, from what I have read it seems that all I will need to do is alter the IP Address in the DNS of the hostname for the ovirt engine host (apart from plumbing and address on the new network into the ovrit engine host of course).
> > 
> > Is this correct, or is there some configuration file on either the engine host or the nodes that needs to be updated to reflect the new IP Address of the engine host ?
> > 
> > 
> > Hi, if you configured everything using FQDN only and you're changing IP preserving FQDN everything should continue working.
> > BTW, I suggest to wait for someone from network team to confirm

Yes, if you have used the fqdn everywhere, updating the DNS to a new IP
address sohuld not matter much to oVirt. Do note that we use long-living
TCP connections, so they would break on the transition. It is
safer to take Engine down before making the change, so not operation is
broken mid-way.