vm in shutdown status doesn't occupy Ram or Vcpu resouce

Registered by fake-user-yushen

As we know,When the VM is in shutdown status , nova host resource manager still consider it occupy the host's resources. In some situations, Host's resource should be controled by users .
In that case,there is a serious problem that if boot a vm in shundown status and the host doesn't have enough resource,the vm will in error status. So, a migrate operator is needed here.

Goals:
1. Add a shutdown resouce release feature to nova-compute.
2. Add a migrate operate before start a vm , when host's resouce is not enough .

Blueprint information

Status:
Not started
Approver:
None
Priority:
Undefined
Drafter:
None
Direction:
Needs approval
Assignee:
None
Definition:
New
Series goal:
None
Implementation:
Unknown
Milestone target:
None

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Gerrit topic: https://review.openstack.org/#q,topic:bp/shutdown-release-resource,n,z

Addressed by: https://review.openstack.org/61146
    Add a shutdown resouce release feature to nova-compute.

Gerrit topic: https://review.openstack.org/#q,topic:bp/shutdown-release-resource,n,z

Addressed by: https://review.openstack.org/61146
    Add a shutdown resouce release feature to nova-compute.

If you are still working on this, please re-submit via nova-specs. If not, please mark as obsolete, and add a quick comment to describe why. --johnthetubaguy (20th April 2014)

(?)

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