On large clouds, Minor updates for Computes is serialized and thus hits a 4h timeout (not configurable)
Issue
- We're running OSP13z2/el7.5 to OSP13z6/el7.6 updates on pre-production/production clouds for 26 computes but since the updates are serialized and it takes time to update a single compute , the update procedure timesout after 4 hours.
Environment
- Red Hat OpenStack Platform (RHOSP) 13.0
- openstack-tripleo-heat-templates
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