The hosts run the vms. The engine just basically coordinates everything. 

On Sun, Mar 21, 2021 at 8:50 PM jenia mtl <jenia.ivlev@gmail.com> wrote:
Hi Edward.

"Therein" meaning inside the engine? The virtualization hosts run inside the engine not inside the hypervision/Ovirt-node? And just to make sure, the virtualization hosts are the VMs that ultimately run the apps?

Thanks
Evgeniy Ivlev

On Sun, Mar 21, 2021 at 5:51 PM Edward Berger <edwberger@gmail.com> wrote:
oVirt node is a dedicated hypervisor imgbased installer distro for oVirt that handles upgrades all at once with a rollback feature, whereas an Enterprise Linux Host would do the same thing but you would partition your disks however you saw fit and manually install RPMs to get the same functionality as a node-ng host.  No need to have both type of hypervisor hosts.  The engine is sometimes a VM itself which provides the Web GUI and databases needed to manage a cluster of virtualization hosts and VMs therein.


On Sun, Mar 21, 2021 at 10:31 AM <jenia.ivlev@gmail.com> wrote:
So in the documentation it says that the oVirt Engine is a user interface and a REST API endpoint. Ok, that's clear enough.

As far as the oVirt hosts there are two types Enterprise Linux hosts and oVirt Nodes. Do the Enterprise Linux hosts run the VMs for my apps or the oVirt nodes?

What are their respective roles? Do I need both?
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