Re: [ovirt-users] Cluster policy question
Hi,
evenly distributed takes only the CPU load into account (memory was
added in 3.6). If most of the VMs are doing nothing there is no key to
use for balancing.
Also we only start automatic balancing once the overload threshold is
reached (80% load by default) on a host. And we move VMs from
overloaded to underloaded hosts.
The picture in the following link might explain that a bit although we
created it for the memory case, the CPU based loading obeys the same
rules.
http://www.ovirt.org/Features/Sla/MemoryBasedBalancing
Best regards
Martin Sivak
oVirt / SLA
On Mon, Jan 11, 2016 at 4:12 PM, gflwqs gflwqs <gflwqs(a)gmail.com> wrote:
Hi list!
I am running ovirt 3.5.2 with 3 identical nodes.
I am using the default cluster policy: "evenly_distributed"
I am wondering how that applies?
When i add new vm:s should'nt they be distributed according to the resources
used on them?
Should they not be live migrated automatically?
For me it seems that all vm:s is started on one of the hosts and stays
there?
Is there something i am missing here?
Thanks!
Christian
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