[Openstack-vi] [Openstack] how to config nova-schedule

Khanh Nguyen ndquockhanh at gmail.com
Wed Jun 5 02:53:27 UTC 2013


FYI.

 

http://docs.openstack.org/trunk/openstack-compute/admin/content/ch_scheduling.html

 

 

From: Nguyễn Quốc Vũ [mailto:nquocvu209 at gmail.com] 
Sent: Tuesday, June 4, 2013 10:41 PM
To: openstack-vi at lists.openstack.org
Subject: [Openstack-vi] [Openstack] how to config nova-schedule

 

Hi all, 

 

I'm new to openstack, I read the manual to study about it's scheduling. 

 

I find that there are other schedulers (chance, multi, and simple scheduler). How can I config to change the schedule in nova? 

 

By default there is "compute_scheduler_driver = nova.scheduler.filter_scheduler.FilterScheduler" in nova.conf file. It will call host_manager to apply all the filters (RetryFilter, AvailabilityZoneFilter, RamFilter,...) is defined in there right? and so we just change those filters if we want to archive our requires?

 

I just try to find how to allocate an instance. For example, we want to create 2 instances both are require lot of CPU, it will be allocated in two different hosts. In case of one is require CPU, and another one is just require I/O, it will be allocated in the same host. Any idea?

 

thanks,

 

-- 
Regards,

Nguyen Quoc Vu

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