Repository: hadoop
Updated Branches:
  refs/heads/trunk 4bd7cbc29 -> 654cd1d0c


HDFS-10186. DirectoryScanner: Improve logs by adding full path of both actual 
and expected block directories.  Contributed by Rakesh R


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/654cd1d0
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/654cd1d0
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/654cd1d0

Branch: refs/heads/trunk
Commit: 654cd1d0c0427c23e73804fc9d87208f76bbf6aa
Parents: 4bd7cbc
Author: Tsz-Wo Nicholas Sze <szets...@hortonworks.com>
Authored: Thu Apr 7 12:36:29 2016 +0800
Committer: Tsz-Wo Nicholas Sze <szets...@hortonworks.com>
Committed: Thu Apr 7 12:38:42 2016 +0800

----------------------------------------------------------------------
 .../hadoop/hdfs/server/datanode/DirectoryScanner.java   | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/654cd1d0/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java
index 083ca31..0e51cec 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java
@@ -902,8 +902,7 @@ public class DirectoryScanner implements Runnable {
             break;
           }
         }
-        verifyFileLocation(blockFile.getParentFile(), bpFinalizedDir,
-            blockId);
+        verifyFileLocation(blockFile, bpFinalizedDir, blockId);
         report.add(new ScanInfo(blockId, blockFile, metaFile, vol));
       }
       return report;
@@ -913,12 +912,15 @@ public class DirectoryScanner implements Runnable {
      * Verify whether the actual directory location of block file has the
      * expected directory path computed using its block ID.
      */
-    private void verifyFileLocation(File actualBlockDir,
+    private void verifyFileLocation(File actualBlockFile,
         File bpFinalizedDir, long blockId) {
       File blockDir = DatanodeUtil.idToBlockDir(bpFinalizedDir, blockId);
-      if (actualBlockDir.compareTo(blockDir) != 0) {
+      if (actualBlockFile.getParentFile().compareTo(blockDir) != 0) {
+        File expBlockFile = new File(blockDir, actualBlockFile.getName());
         LOG.warn("Block: " + blockId
-            + " has to be upgraded to block ID-based layout");
+            + " has to be upgraded to block ID-based layout. "
+            + "Actual block file path: " + actualBlockFile
+            + ", expected block file path: " + expBlockFile);
       }
     }
 

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