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HDFS-7156. Update fsck documentation. Contributed by Masahiro Yamaguch.

This commit is contained in:
Konstantin V Shvachko 2014-09-27 21:04:23 -07:00
parent 7f300bcdc7
commit 400e1bb4ef
3 changed files with 35 additions and 24 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -512,6 +512,8 @@ Release 2.6.0 - UNRELEASED
HDFS-6956. Allow dynamically changing the tracing level in Hadoop servers
(cmccabe)
HDFS-7156. Update fsck documentation. (Masahiro Yamaguch via shv)
OPTIMIZATIONS
HDFS-6690. Deduplicate xattr names in memory. (wang)

3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSck.java
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@ -77,7 +77,8 @@ public class DFSck extends Configured implements Tool {
private static final String USAGE = "Usage: DFSck <path> "
+ "[-list-corruptfileblocks | "
+ "[-move | -delete | -openforwrite] "
+ "[-files [-blocks [-locations | -racks]]]] [-showprogress]\n"
+ "[-files [-blocks [-locations | -racks]]]] "
+ "[-includeSnapshots] [-showprogress]\n"
+ "\t<path>\tstart checking from this path\n"
+ "\t-move\tmove corrupted files to /lost+found\n"
+ "\t-delete\tdelete corrupted files\n"

36
hadoop-hdfs-project/hadoop-hdfs/src/site/apt/HDFSCommands.apt.vm
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@ -82,32 +82,40 @@ HDFS Commands Guide
See {{{./HdfsUserGuide.html#fsck}fsck}} for more info.
Usage: <<<hdfs fsck [GENERIC_OPTIONS] <path>
[-list-corruptfileblocks |
[-move | -delete | -openforwrite]
[-files [-blocks [-locations | -racks]]]
[-showprogress]>>>
[-includeSnapshots] [-showprogress]>>>
*------------------+---------------------------------------------+
*------------------------+---------------------------------------------+
|| COMMAND_OPTION || Description
*------------------+---------------------------------------------+
*------------------------+---------------------------------------------+
| <path> | Start checking from this path.
*------------------+---------------------------------------------+
| -move | Move corrupted files to /lost+found
*------------------+---------------------------------------------+
*------------------------+---------------------------------------------+
| -move | Move corrupted files to /lost+found.
*------------------------+---------------------------------------------+
| -delete | Delete corrupted files.
*------------------+---------------------------------------------+
| -openforwrite | Print out files opened for write.
*------------------+---------------------------------------------+
*------------------------+---------------------------------------------+
| -files | Print out files being checked.
*------------------+---------------------------------------------+
*------------------------+---------------------------------------------+
| -openforwrite | Print out files opened for write.
*------------------------+---------------------------------------------+
| | Include snapshot data if the given path
| -includeSnapshots | indicates a snapshottable directory or
| | there are snapshottable directories under it.
*------------------------+---------------------------------------------+
| -list-corruptfileblocks| Print out list of missing blocks and
| | files they belong to.
*------------------------+---------------------------------------------+
| -blocks | Print out block report.
*------------------+---------------------------------------------+
*------------------------+---------------------------------------------+
| -locations | Print out locations for every block.
*------------------+---------------------------------------------+
*------------------------+---------------------------------------------+
| -racks | Print out network topology for data-node locations.
*------------------+---------------------------------------------+
*------------------------+---------------------------------------------+
| -showprogress | Print out dots for progress in output. Default is OFF
| | (no progress).
*------------------+---------------------------------------------+
*------------------------+---------------------------------------------+
* Administration Commands