HDFS-622. checkMinReplication should count live nodes only. Contributed by Konstantin Shvachko.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hdfs/trunk@815964 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -247,6 +247,8 @@ Trunk (unreleased changes)
 
     HDFS-612. Remove the use of org.mortbay.log.Log in FSDataset.  (szetszwo)
 
+    HDFS-622. checkMinReplication should count live nodes only. (shv)
+
 Release 0.20.1 - Unreleased
 
   IMPROVEMENTS

src/java/org/apache/hadoop/hdfs/server/namenode/BlockManager.java

@@ -233,7 +233,7 @@ public class BlockManager {
    * @return true if the block has minimum replicas
    */
   boolean checkMinReplication(Block block) {
-    return (blocksMap.numNodes(block) >= minReplication);
+    return (countNodes(block).liveReplicas() >= minReplication);
   }
 
   /**