nandakumar131 commented on code in PR #4358:
URL: https://github.com/apache/ozone/pull/4358#discussion_r1141697735
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hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/StorageContainerManager.java:
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@@ -2070,4 +2071,27 @@ private String reconfOzoneAdmins(String newVal) {
newVal, admins);
return String.valueOf(newVal);
}
+
+ /**
+ * This will remove the given SCM node from HA Ring by removing it from
+ * Ratis Ring and deleting the related certificates from certificate store.
+ *
+ * @return true if remove was successful, else false.
+ */
+ public boolean removePeerFromHARing(RemoveSCMRequest request)
+ throws IOException {
+ // We cannot remove a node if it's currently leader.
+ if (scmContext.isLeader() && request.getScmId().equals(getScmId())) {
Review Comment:
First, we have to stop the SCM service that we want to decommission. This
will be part of SCM decommissioning documentation.
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