Hi, Alan, I think, for nova-scheduler it is better if we gather more information. And In today's DC, power and temperature are very important facts to considering. CPU/Memory utilization is not enough to describe nodes' status. Power/inlet temperature should be noticed.
Best Wishes --fengqian From: Alan Kavanagh [mailto:alan.kavan...@ericsson.com] Sent: Thursday, December 19, 2013 2:14 AM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [Nova] [Ironic] Get power and temperature via IPMI Hi Gao What is the reason why you see it would be important to have these two additional metrics "power and temperature" for Nova to base scheduling on? Alan From: Gao, Fengqian [mailto:fengqian....@intel.com] Sent: December-18-13 1:00 AM To: openstack-dev@lists.openstack.org<mailto:openstack-dev@lists.openstack.org> Subject: [openstack-dev] [Nova] [Ironic] Get power and temperature via IPMI Hi, all, I am planning to extend bp https://blueprints.launchpad.net/nova/+spec/utilization-aware-scheduling with power and temperature. In other words, power and temperature can be collected and used for nova-scheduler just as CPU utilization. I have a question here. As you know, IPMI is used to get power and temperature and baremetal implements IPMI functions in Nova. But baremetal driver is being split out of nova, so if I want to change something to the IPMI, which part should I choose now? Nova or Ironic? Best wishes --fengqian
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