Hello Nar,

                   you can achieve this with 2 affinity rules, a positive and negative one.

In the cluster create the first affinity group VM affinity rule disabled HOST affinity rule positive  set enforcing mode. Then add the VMs and 2 Hosts to force them to run on these hosts.

In the cluster create the second affinity group VM affinity rule disabled  HOST affinity rule negative set enforcing mode. Then add the rest of the VMs and the 2 Hosts to force them not to run on these hosts.

https://www.ovirt.org/documentation/vmm-guide/chap-Administrative_Tasks.html

Regards,

                 Paul S.

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From: Nardus Geldenhuys <nardusg@gmail.com>
Sent: 28 July 2020 11:22
To: users@ovirt.org <users@ovirt.org>
Subject: [ovirt-users] affinity/pool/fencing ?

 

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Hi oVirt land

Hope you are well. Don't even know what to call this. But let me describe what I want to achieve.

We have a cluster with say 100 vm's. But we want two use two hosts in the cluster two run only certain VM's. I think you can do that with affinity rules. But how can I restrict those two hosts to only run the VM's, meaning that no other VM's will run on them.

I don't want to go and edit the 100 other VM's to not run on 2 hosts. Is there an easy way for doing this?

Oracle VM uses pools, I dont know what vmware uses.

Any advice will help.

Regards

Nar

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