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Openstack Director deployed New ceph cluster does not have crush tunable set as optimal

Solution Verified - Updated 2016-06-17T06:11:15+00:00 -

Issue

Openstack Director deployed New ceph cluster does not have crush tunable set as optimal.
How can we make use of optimal tunable with straw2 algorithm in Openstack Director deployed New ceph cluster.

Environment

Red Hat Openstack Platform 8
Red Hat Ceph Storage 1.3.2

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