HDFS-12825. Fsck report shows config key name for min replication issues (Contributed by Gabor Bota).

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeFsck.java

@@ -1236,7 +1236,7 @@ public class NamenodeFsck implements DataEncryptionKeyFactory {
                 ((float) (numUnderMinReplicatedBlocks * 100) / (float) totalBlocks))
                 .append(" %)");
           }
-          res.append("\n  ").append(DFSConfigKeys.DFS_NAMENODE_REPLICATION_MIN_KEY + ":\t")
+          res.append("\n  ").append("MINIMAL BLOCK REPLICATION:\t")
              .append(minReplication);
         }
         if(corruptFiles>0) {

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsck.java

@@ -902,7 +902,7 @@ public class TestFsck {
     System.out.println(outStr);
     assertTrue(outStr.contains(NamenodeFsck.HEALTHY_STATUS));
     assertTrue(outStr.contains("UNDER MIN REPL'D BLOCKS:\t1 (100.0 %)"));
-    assertTrue(outStr.contains("dfs.namenode.replication.min:\t2"));
+    assertTrue(outStr.contains("MINIMAL BLOCK REPLICATION:\t2"));
   }
 
   @Test(timeout = 90000)