Downtime during scaling deployment to a high availability overcloud

Solution Unverified - Updated -

Issue

A scaling operation has been tested on an overcloud by adding a ceph node. The scaling operation is like running the deployment command again with additional information about the node to add. It has been noticed that this operation disables the openstack-keystone service, which results in a downtime which should not happen on a high availability environment.

Environment

  • Red Hat Enterprise Linux Openstack Platform 7.3

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