Hey Jason, ----- Original Message -----
I'm setting up some new oVirt infrastructure, and wanted to give hosted engine a try. I downloaded and installed the oVirt Node Hypervisor ISO (3.5-0.999.201502231653.el7.centos) on one of 3 nodes. One of the options in the hypervisor menu is "Hosted Engine". This requires an "Engine ISO/OVA URL for download". The thing is - as far as I can tell, there is no download link for this ISO/OVA on the ovirt release web site. I also can't find anything in the documentation that refers to it (or even this menu in the hypervisor). I did find this after some searching:
Yes, you are right, the documentation of Hosted Engine is currently ... sparse.
http://jenkins.ovirt.org/user/fabiand/my-views/view/Node/job/ovirt-appliance...
(Now replaced with a build from 0322). I asked on the ovirt IRC channel and was told that this "might" work, but because of new functionality introduced recently that it also might not. If the feature is available in the node ISO, shouldn't there be an appropriate release of the hosted engine ISO/OVA that works hand in hand with the node that I've downloaded? If it's not there because it isn't ready, isn't this functionality something that should be added to maybe a "beta" node release and tested before being released into the stable node hypervisor release?
Yes, the problem here is with the ovirt-appliance. We did not start building images based on the 3.5 status of the appliance. I'll see if we can get up a builder for the ovirt-3.5 branch up quickly.
I asked on the IRC channel whether it might be possible for me to kickstart my own engine from the node. I ran into trouble with that as well. On the installed node, I can only configure one network interface. This is, of course, intended to enable ovirtmgmt for communication with engine which would take over and configure everything else for you. Of course, when you don't yet have engine installed and need to get it, this leads to a chicken and egg problem. To kickstart engine on node, I need an IP (from mgmt), an image (I guess it could come from the mgmt network), but then I also need access to the external network (on another NIC) to be able to install the appropriate ovirt yum repository, and download the engine! If I installed my own node manually instead if using ISO, I guess I could configure the network, and make it work, but I'm trying to take advantage of the work that has already been put into node to make this all possible.
I believe I saw a corresponding bug for what you described above. Does it help if you temporarily add a route to your management network's router, which enables the hosted-engine host to access the relevant networks (external, storage, …)? Greetings fabian
Anyway, I'm certainly interested in any feedback from users who have been able to make this work. I guess I could kickstart one node as an engine, create the virtual image there, suck the ova down to the mgmt server, install node, then use node to re-suck down the hosted engine image, but it just seems like a lot of extra work. Somehow I think it's intended to be a little more straightforward than that.
Jason.
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