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From "Uma Maheswara Rao G (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-1727) fsck command can display command usage if user passes any illegal argument
Date Mon, 23 May 2011 08:47:47 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Uma Maheswara Rao G updated HDFS-1727:
--------------------------------------

    Description: 
In fsck command if user passes the arguments like
./hadoop fsck -test -files -blocks -racks
In this case it will take / and will display whole DFS information regarding to files,blocks,racks.

But here, we are hiding the user mistake. Instead of this, we can display the command usage
if user passes any invalid argument like above.

If user passes illegal optional arguments like
./hadoop fsck /test -listcorruptfileblocks instead of
./hadoop fsck /test -list-corruptfileblocks also we can display the proper command usage

  was:
In fsck command if user passes the arguments like 
   ./hadoop fsck -test -files -blocks -racks 
   In this case it will take / and will display whole DFS information regarding to files,blocks,racks.

But here, we are hiding the user mistake. Instead of this, we can display the usage if user
passes any invalid argument like above.


       Assignee: Uma Maheswara Rao G
        Summary: fsck command can display command usage if user passes any illegal argument
 (was: fsck command can display usage if user passes any other arguments with '-' ( other
than -move, -delete, -files , -openforwrite, -blocks , -locations, -racks).)

> fsck command can display command usage if user passes any illegal argument
> --------------------------------------------------------------------------
>
>                 Key: HDFS-1727
>                 URL: https://issues.apache.org/jira/browse/HDFS-1727
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Uma Maheswara Rao G
>            Assignee: Uma Maheswara Rao G
>            Priority: Minor
>
> In fsck command if user passes the arguments like
> ./hadoop fsck -test -files -blocks -racks
> In this case it will take / and will display whole DFS information regarding to files,blocks,racks.
> But here, we are hiding the user mistake. Instead of this, we can display the command
usage if user passes any invalid argument like above.
> If user passes illegal optional arguments like
> ./hadoop fsck /test -listcorruptfileblocks instead of
> ./hadoop fsck /test -list-corruptfileblocks also we can display the proper command usage

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