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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3489) hdfs fsck usage message is outdated
Date Sat, 02 Jun 2012 22:02:23 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13288029#comment-13288029

Eli Collins commented on HDFS-3489:

Per HDFS-3483 it should require a file system with scheme hdfs.
> hdfs fsck usage message is outdated
> -----------------------------------
>                 Key: HDFS-3489
>                 URL: https://issues.apache.org/jira/browse/HDFS-3489
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.0-alpha
>            Reporter: Andy Isaacson
>            Assignee: Andy Isaacson
>            Priority: Minor
> The help message from "hdfs fsck" is misleading in several ways.
> {code}
> Usage: DFSck <path> [-list-corruptfileblocks | [-move | -delete | -openforwrite]
[-files [-blocks [-locations | -racks]]]]
>         <path>  start checking from this path
>         -move   move corrupted files to /lost+found
>         -delete delete corrupted files
>         -files  print out files being checked
>         -openforwrite   print out files opened for write
>         -list-corruptfileblocks print out list of missing blocks and files they belong
>         -blocks print out block report
>         -locations      print out locations for every block
>         -racks  print out network topology for data-node locations
>                 By default fsck ignores files opened for write, use -openforwrite to
report such files. They are usually  tagged CORRUPT or HEALTHY depending on their block allocation
> Generic options supported are
> -conf <configuration file>     specify an application configuration file
> -D <property=value>            use value for given property
> -fs <local|namenode:port>      specify a namenode
> -jt <local|jobtracker:port>    specify a job tracker
> -files <comma separated list of files>    specify comma separated files to be copied
to the map reduce cluster
> -libjars <comma separated list of jars>    specify comma separated jar files to
include in the classpath.
> -archives <comma separated list of archives>    specify comma separated archives
to be unarchived on the compute machines.
> The general command line syntax is
> bin/hadoop command [genericOptions] [commandOptions]
> {code}
>  - the first line should not say "DFSck"
>  - the -fs option prefers a hdfs:// URI rather than a bare namenode:port pair

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