Note: This bug is displayed in read-only format because the product is no longer active in Red Hat Bugzilla.

Bug 1484964

Summary: Scaling-out compute nodes restarts control-plane services on the HA controllers
Product: Red Hat OpenStack Reporter: Angela Soni <asoni>
Component: rhosp-directorAssignee: Emilien Macchi <emacchi>
Status: CLOSED NOTABUG QA Contact: Amit Ugol <augol>
Severity: high Docs Contact:
Priority: high    
Version: 8.0 (Liberty)CC: aschultz, cpaquin, dbecker, emacchi, markmc, mburns, mflusche, michele, morazi, rhel-osp-director-maint
Target Milestone: ---Keywords: Triaged
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-10-18 22:17:30 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1316215    

Description Angela Soni 2017-08-24 16:59:20 UTC
Description of problem:

In all of our environments we see the control plane fail during the Director deploy.  The failures vary from failed controller services to 'Failed Actions'.  When these things fail we get a service disruption and have to date just stopped any openstack activity until after the update is complete.  Sadly this has in some cases meant the control plane is out of service for a week plus.

Version-Release number of selected component (if applicable):
RHOSP 8

How reproducible:
Repeatedly

Steps to Reproduce:
1. When adding new computes nodes using Director to existing environment


Actual results:
Control plane services, OSP APIs are down

Expected results:
Director should not bring down the control plane services during the compute node additions, this way OSP APIs available all the time.

Additional info:
Walkthrough of services getting down when adding nodes: cluster-during-deploy
sosreports from controllers and compute.