[ovirt-users] Re: Strange migration issue
Hi Tibor,
I don't know what would cause such issues as you describe, but since
you are using a very old version of oVirt, the best I can recommend is
to upgrade to 4.2.
HTH
On Thu, Dec 6, 2018 at 6:24 PM Demeter Tibor <tdemeter(a)itsmart.hu> wrote:
>
> Dear All,
>
> I've using ovirt from 3.4 and we have a strange, rarely problem with live
migrations.
>
> - In most of case impossible to do a live migrate of VMs that have a lot of memory
(16 gigs and more up to 40 GB) .
> - Those are need to try and try until the migration will be successful
> - impossible to understand why does working in a case and doesn't in another
> - it is happening always if there bigger load on vms, but only on big memory VM-s
> - The small VMs (2-4-8 gigs) can migrate without problems
> - In very rarely cases possible to migrate on first try.
> - We using the memory ballooning function on all of VMs.
>
> We using dedicated migration network with separated vlans, but on same physical lan
(1gbe) with ovirtmgmt.
> At this moment, we don't use QoS for dedicate bandwidth.
>
> What can I do ?
>
> Thanks in advance,
> Regards,
>
> Tibor
>
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