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Posted to issues@ozone.apache.org by "Nandakumar (Jira)" <ji...@apache.org> on 2023/01/30 07:48:00 UTC

[jira] [Created] (HDDS-7852) SCM Decommissioning Support

Nandakumar created HDDS-7852:
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             Summary: SCM Decommissioning Support
                 Key: HDDS-7852
                 URL: https://issues.apache.org/jira/browse/HDDS-7852
             Project: Apache Ozone
          Issue Type: New Feature
          Components: SCM
    Affects Versions: 1.3.0
            Reporter: Nandakumar
            Assignee: Nandakumar


SCM decommissioning is the process in which we gracefully remove one of the SCM from the SCM HA Ring. We will also have the option to remove SCM from the HA Ring forcefully.

Decommissioning will be needed in the following scenarios,
For maintenance and upgrade
* In case of Disk failure
* In case of Node failure

The main areas to consider while performing SCM decommissioning,
* Ratis Layer
* Security Layer




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