VM to VM affinity will try and run the VMs on the same host if positive, and different hosts if negative.
VM to Host affinity will try and run the VM on a specific set of Hosts if positive, and not on those hosts if negative. Enforcing will keep the scheduler from launching a VM if it can’t meet those criteria, and will try and make changes to which hosts are running where if it can. If you don’t set it, it will still try and launch VMs on different hosts, but if it can’t, it will still launch the VM. It also won’t make changes to bring all VMs into compliance with the Affinity rules, from what I can tel. > On Oct 14, 2018, at 8:15 AM, Hari Prasanth Loganathan > <[email protected]> wrote: > > Hi Team, > > I tried to follow up the affinity rules using this tutorial : > https://www.youtube.com/watch?v=rs_5BSqacWE > <https://www.youtube.com/watch?v=rs_5BSqacWE> but I have few clarifications > in it., > > 1) I understand the VM to VM affinity, It means both the individual VMs needs > to run on a single common host, Say I have 2 hosts, so what happens in case > of failure of host running the VMs? > 2) If I create a affinity group and I get the following data, > i) What is host rule / vms rule - enabled, enforcing and > positive ? > > "enforcing": "true", > "hosts_rule": { > "enabled": "true", > "enforcing": "true", > "positive": "false" > }, > "vms_rule": { > "enabled": "false", > "enforcing": "true", > "positive": "false" > } > > 3) What is the difference between VM to VM affinity and VM to Host affinity? > > Doc's are not very clear, so please any help is appreciated. > > Thanks, > Hari > > > > DISCLAIMER - MSysTechnologies LLC > > > This email message, contents and its attachments may contain confidential, > proprietary or legally privileged information and is intended solely for the > use of the individual or entity to whom it is actually intended. If you have > erroneously received this message, please permanently delete it immediately > and notify the sender. If you are not the intended recipient of the email > message,you are notified strictly not to disseminate,distribute or copy this > e-mail.E-mail transmission cannot be guaranteed to be secure or error-free as > Information could be intercepted, corrupted, lost, destroyed, incomplete or > contain viruses and MSysTechnologies LLC accepts no liability for the > contents and integrity of this mail or for any damage caused by the > limitations of the e-mail transmission. > > > _______________________________________________ > Users mailing list -- [email protected] > To unsubscribe send an email to [email protected] > Privacy Statement: https://www.ovirt.org/site/privacy-policy/ > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/[email protected]/message/ST35SIO45EO647BJKUVCUZQBRSAHAUSA/
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