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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-2774) Use TestDFSIO to test HDFS, and Failed with the exception: All datanodes are bad. Aborting...
Date Tue, 10 Mar 2015 03:14:38 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer resolved HDFS-2774.
------------------------------------
    Resolution: Won't Fix

> Use TestDFSIO to test HDFS, and Failed with the exception: All datanodes are bad. Aborting...
> ---------------------------------------------------------------------------------------------
>
>                 Key: HDFS-2774
>                 URL: https://issues.apache.org/jira/browse/HDFS-2774
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: test
>    Affects Versions: 0.20.2
>         Environment: 20 nodes with 2-core cpu and 1G RAM  20G Hard disk ,1 switch
>            Reporter: bdsyq
>              Labels: hadoop
>   Original Estimate: 504h
>  Remaining Estimate: 504h
>
> use TestDFSIO to test the HDFS
> use the commond:  hadoop jar ....TestDFSIO - write -nrFiles 10 -fileSize 500
> when running ,errors occurs:
> 12/01/09 16:00:45 INFO mapred.JobClient: Task Id : attempt_201201091556_0001_m_000006_2,
Status : FAILED
> java.io.IOException: All datanodes 192.168.0.17:50010 are bad. Aborting...
>  at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.processDatanodeError(DFSClient.java:2556)
>  at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$1600(DFSClient.java:2102)
>  at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2265)
> attempt_201201091637_0002_m_000005_0: log4j:WARN No appenders could be found for logger
(org.apache.hadoop.hdfs.DFSClient).
> attempt_201201091637_0002_m_000005_0: log4j:WARN Please initialize the log4j system properly.
> I don't know why?



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