Hi,

and here is a fresh screenshot just for you :)

You need to edit the cluster, select scheduling policy tab and add two parameters to your Power saving policy. One enables the power cycling mechanisms and the second one (HostsInReserve) controls how many empty hosts are allowed to stay up. When the host is not empty anymore a new one will be started.

Best regards

--
Martin Sivak
SLA / oVirt

On Mon, Jan 8, 2018 at 12:29 PM, Karli Sjöberg <karli@inparadise.se> wrote:


Den 8 jan. 2018 12:07 skrev Alex Shen <alex@bill-jc.com>:

Hi,

 

I’m wondering how to apply power-saving schedule in ovirt cluster(version is 4.2.0.2-1.el7.centos)? Is there any instruction or manual with UI snapshots guidance? That will be appreciated.

 

I’ve configed all host with ipmilan protocol and test ok. I suppose that power saving policy should converge VMs into hosts one by one. Something like that. From the beginning, all hosts are in ‘power off’ state, if a VM launch, power saving scheduling module should power on one host, and assign VM into that host. With many VMs activated, exceeding the threshold, power saving scheduling module should turn on another host…


Jepp, that's basically how it works:)

/K

 

If anyone had played power saving scheduling policy, please share me your scenarios or some hints. Thanks a lot.

 

Alex


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