HP 3par driver supplies filter_function and goodness_function for scheduler to evaluate

Registered by Gloria Gu on 2015-02-05

https://blueprints.launchpad.net/cinder/+spec/filtering-weighing-with-driver-supplied-functions has been merged.

As part of the continue effort, we will add the filter_function and goodness_function along with some more stats in the HP 3par driver. Initial stats in kilo are capacity_utilization and total_volumes of a cpg. The formula of the goodness_function and filter_function are from the cinder.conf. We will not provide default values in the code.

Best practice of openstack 3par driver will have some information for administrators to set up the goodness_function and filter_function string in the cinder.conf.

There will be more stats later as we identify more useful performance data after kilo.

Blueprint information

Status:
Complete
Approver:
Mike Perez
Priority:
Low
Drafter:
Gloria Gu
Direction:
Approved
Assignee:
Anthony Lee
Definition:
Approved
Series goal:
Accepted for kilo
Implementation:
Implemented
Milestone target:
milestone icon 2015.1.0
Started by
Mike Perez on 2015-02-06
Completed by
Anthony Lee on 2015-03-09

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Gerrit topic: https://review.openstack.org/#q,topic:bp/hp3par-driver-supplies-filtering-weighing-functions,n,z

Addressed by: https://review.openstack.org/151353
    HP 3par driver filter and evaluator function

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Gerrit topic: https://review.openstack.org/#q,topic:bp/hplefthand-driver-supplies-filtering-weighing-functions,n,z

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