HDFS-9317. Document fsck -blockId and -storagepolicy options in branch-2.7. (aajisaka)

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

@@ -84,6 +84,9 @@ Release 2.7.2 - UNRELEASED
     HDFS-9305. Delayed heartbeat processing causes storm of subsequent
     heartbeats. (Arpit Agarwal)
 
+    HDFS-9317. Document fsck -blockId and -storagepolicy options in branch-2.7.
+    (aajisaka)
+
 Release 2.7.1 - 2015-07-06
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSck.java

@@ -78,7 +78,9 @@ public class DFSck extends Configured implements Tool {
   private static final String USAGE = "Usage: hdfs fsck <path> "
       + "[-list-corruptfileblocks | "
       + "[-move | -delete | -openforwrite] "
-      + "[-files [-blocks [-locations | -racks]]]]\n"
+      + "[-files [-blocks [-locations | -racks]]]] "
+      + "[-includeSnapshots] "
+      + "[-storagepolicies] [-blockId <blk_Id>]\n"
       + "\t<path>\tstart checking from this path\n"
       + "\t-move\tmove corrupted files to /lost+found\n"
       + "\t-delete\tdelete corrupted files\n"
@@ -92,7 +94,7 @@ public class DFSck extends Configured implements Tool {
       + "\t-blocks\tprint out block report\n"
       + "\t-locations\tprint out locations for every block\n"
       + "\t-racks\tprint out network topology for data-node locations\n"
-      + "\t-storagepolicies\tprint out storage policy summary for the blocks\n\n"
+      + "\t-storagepolicies\tprint out storage policy summary for the blocks\n"
       + "\t-blockId\tprint out which file this blockId belongs to, locations"
       + " (nodes, racks) of this block, and other diagnostics info"
       + " (under replicated, corrupted or not, etc)\n\n"

hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md

@@ -101,6 +101,7 @@ Usage:
               [-move | -delete | -openforwrite]
               [-files [-blocks [-locations | -racks]]]
               [-includeSnapshots]
+              [-storagepolicies] [-blockId <blk_Id>]
 
 | COMMAND\_OPTION | Description |
 |:---- |:---- |
@@ -114,6 +115,8 @@ Usage:
 | `-list-corruptfileblocks` | Print out list of missing blocks and files they belong to. |
 | `-move` | Move corrupted files to /lost+found. |
 | `-openforwrite` | Print out files opened for write. |
+| `-storagepolicies` | Print out storage policy summary for the blocks. |
+| `-blockId` | Print out information about the block. |
 
 Runs the HDFS filesystem checking utility. See [fsck](./HdfsUserGuide.html#fsck) for more info.