[ovirt-users] Simple script to split VMs on different host - No affinity group

Doron Fediuck dfediuck at redhat.com
Sun Nov 2 20:15:49 UTC 2014



----- Original Message -----
> From: "Amedeo Salvati" <amedeo at oscert.net>
> To: "Itamar Heim" <iheim at redhat.com>, users at ovirt.org
> Cc: "df >> Doron Fediuck" <dfediuck at redhat.com>
> Sent: Sunday, November 2, 2014 3:33:32 PM
> Subject: Re: [ovirt-users] Simple script to split VMs on different host - No affinity group
> 
> yea, if I have the time I will integrate on a new scheduler
> 
> best regards
> a
> 
> Il 31/10/2014 12:51, Itamar Heim ha scritto:
> > On 10/30/2014 09:23 PM, Amedeo Salvati wrote:
> >> hello guys,
> >>
> >> if you are interested, I wrote a simple python script to balance VMs on
> >> different host/hypervisor, logic is simple and will search for same
> >> couple of vm name and number suffix, odd and even, and it will try to
> >> migrate even VM, if it resides on same host where resides the odd VM.
> >>
> >> For example if VMPROJ1PROD01 and VMPROJ1PROD02 resides on same host,
> >> then, the script will migrate only VMPROJ1PROD02.
> >>
> >> url of script and rpms are on github:
> >>
> >> http://github.com/amedeos/ovirt-BalanceVMOnDifferentHost
> >>
> >> and feel free to suggest new patch, enhancement, create a fork...
> >>
> >> p.s. I haven't use affinity groups, because maintenance of them will
> >> become a struggle, and I want *only* to run same project/application VMs
> >> with same name on different hypervisor.
> >>
> >> Best regards
> >> Amedeo Salvati
> >>
> >>
> >> _______________________________________________
> >> Users mailing list
> >> Users at ovirt.org
> >> http://lists.ovirt.org/mailman/listinfo/users
> >>
> >
> > just a thought - you can implement this in a more integrated mannger
> > as part of the pluggable scheduler?
> >
> 
> 

Very nice!

You can see examples to integration with the scheduler here:
https://github.com/oVirt/ovirt-scheduler-proxy/tree/master/doc/plugin_samples

And some explanations here:
http://www.ovirt.org/External_Scheduler_Samples



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