prashantpogde commented on a change in pull request #1486:
URL: https://github.com/apache/hadoop-ozone/pull/1486#discussion_r512168941
##########
File path:
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeManager.java
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@@ -400,6 +405,66 @@ public void processNodeReport(DatanodeDetails
datanodeDetails,
}
}
+ /**
+ * Process Layout Version report.
+ *
+ * @param datanodeDetails
+ * @param layoutVersionReport
+ */
+ @Override
+ public void processLayoutVersionReport(DatanodeDetails datanodeDetails,
+ LayoutVersionProto layoutVersionReport) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Processing Layout Version report from [datanode={}]",
+ datanodeDetails.getHostName());
+ }
+ if (LOG.isTraceEnabled()) {
+ LOG.trace("HB is received from [datanode={}]: <json>{}</json>",
+ datanodeDetails.getHostName(),
+ layoutVersionReport.toString().replaceAll("\n", "\\\\n"));
+ }
+
+ if (layoutVersionReport != null) {
+ int scmSlv = scmLayoutVersionManager.getSoftwareLayoutVersion();
+ int scmMlv = scmLayoutVersionManager.getMetadataLayoutVersion();
+ UpgradeFinalizer.Status scmUpgradeState =
+ scmLayoutVersionManager.getUpgradeState();
+ int dnSlv = layoutVersionReport.getSoftwareLayoutVersion();
+ int dnMlv = layoutVersionReport.getMetadataLayoutVersion();
+
+ // If the data node slv is > scm slv => log error condition
+ if (dnSlv > scmSlv) {
Review comment:
yup
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