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How Nova-Scheduler determine which compute server host should run the new virtual machine instance ?

asked 2013-09-27 10:00:05 -0600

eng.agamil gravatar image

How Nova-Scheduler determine which compute server host should run the new virtual machine instance ?

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answered 2014-04-15 06:02:16 -0600

SGPJ gravatar image

Yes, based on filtering (VCPU, RAM) of scheduling algorithm, Nova scheduler will decide which compute host to be used for VM. However please find below the steps to force an Instance onto a host.

nova boot --image <uuid> --flavor m1.tiny --key_name <> --availability-zone nova:serverx

Note: I think the above command can be run only by users with admin role. serverx is the name of the hypervisor host, which we can get by running the below command.

nova hypervisor-list

Thanks.

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answered 2014-04-15 04:42:09 -0600

9lives gravatar image

In short answer, Nova-Scheduler will use filtering and weighing to decide which compute host will provision the new vm instance.

In details,just check this link http://docs.openstack.org/developer/n... .

Hope that helps!

Vic

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Asked: 2013-09-27 10:00:05 -0600

Seen: 309 times

Last updated: Apr 15 '14