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  1. OpenShift Container Platform (OCP) Strategy
  2. OCPSTRAT-1064

Improve upgrades - phase 3 - Control plane & worker node independence

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      Feature Overview

      As a cluster-admin, I want to run update in discrete steps. Update control plane and worker nodes independently.
      I also want to back-up and restore incase of a problematic upgrade.

       

      Background:

      This Feature is a continuation of https://issues.redhat.com/browse/OCPSTRAT-180.
      Customers are asking for improvements to the upgrade experience (both over-the-air and disconnected). This is a feature tracking epics required to get that work done.Below is the list of done tasks.  

      1. OTA-700 Reduce False Positives (such as Degraded) 
      2. OTA-922 - Better able to show the progress made in each discrete step 
      3. [Cover by status command]Better visibility into any errors during the upgrades and documentation of what they error means and how to recover. 

      Goals

      1. Have an option to do upgrades in more discrete steps under admin control. Specifically, these steps are: 
        • Control plane upgrade
        • Worker nodes upgrade
        • Workload enabling upgrade (i..e. Router, other components) or infra nodes
      2. An user experience around an end-2-end back-up and restore after a failed upgrade 
      3. MCO-530 - Support in Telemetry for the discrete steps of upgrades 

      References

            rh-ee-smodeel Subin MM
            tkatarki@redhat.com Tushar Katarki
            Yang Yang Yang Yang
            Stephanie Stout Stephanie Stout
            Scott Dodson Scott Dodson
            Lalatendu Mohanty Lalatendu Mohanty
            Eric Rich Eric Rich
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              Created:
              Updated: