HDFS-9605. Add links to failed volumes to explorer.html in HDFS Web UI. Contributed by Archana T.

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -2556,6 +2556,9 @@ Release 2.8.0 - UNRELEASED
     HDFS-7553. fix the TestDFSUpgradeWithHA due to BindException.
     (Xiao Chen via cnauroth)
 
+    HDFS-9605. Add links to failed volumes to explorer.html in HDFS Web UI.
+    (Archana T via wheat9)
+
 Release 2.7.3 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.html

@@ -35,6 +35,7 @@
       <ul class="nav navbar-nav" id="ui-tabs">
         <li><a href="dfshealth.html#tab-overview">Overview</a></li>
         <li><a href="dfshealth.html#tab-datanode">Datanodes</a></li>
+        <li><a href="dfshealth.html#tab-datanode-volume-failures">Datanode Volume Failures</a></li>
         <li><a href="dfshealth.html#tab-snapshot">Snapshot</a></li>
         <li><a href="dfshealth.html#tab-startup-progress">Startup Progress</a></li>
         <li class="dropdown">