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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2772) datanode not failing when read-only filesystem
Date Sat, 02 Feb 2008 02:35:10 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12565020#action_12565020
] 

Raghu Angadi commented on HADOOP-2772:
--------------------------------------

I think Datanode is supposed to remove the read only directory from its list of data directories
and continue with the rest.


> datanode not failing when read-only filesystem
> ----------------------------------------------
>
>                 Key: HADOOP-2772
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2772
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.15.1
>            Reporter: Koji Noguchi
>            Priority: Minor
>
> (This is not directly related to dfs -put hanging, but thought it should get fixed.)
> Datanode is catching IOException but not shutting itself down.
> 2008-02-02 00:10:24,237 ERROR org.apache.hadoop.dfs.DataNode: DataXceiver: java.io.IOException:
Read-only file system
>         at java.io.UnixFileSystem.createFileExclusively(Native Method)
>         at java.io.File.createNewFile(File.java:883)
>         at org.apache.hadoop.dfs.FSDataset$FSVolume.createTmpFile(FSDataset.java:329)
>         at org.apache.hadoop.dfs.FSDataset.createTmpFile(FSDataset.java:606)
>         at org.apache.hadoop.dfs.FSDataset.writeToBlock(FSDataset.java:582)
>         at org.apache.hadoop.dfs.DataNode$BlockReceiver.<init>(DataNode.java:1257)
>         at org.apache.hadoop.dfs.DataNode$DataXceiver.writeBlock(DataNode.java:901)
>         at org.apache.hadoop.dfs.DataNode$DataXceiver.run(DataNode.java:804)
>         at java.lang.Thread.run(Thread.java:619)
> 2008-02-02 00:16:29,996 INFO org.apache.hadoop.dfs.DataNode: Received block blk_-7723120264171092160
from /11.11.11.11
> 2008-02-02 00:41:40,409 INFO org.apache.hadoop.dfs.DataNode: Received block blk_1939877544554342517
from /22.22.22.22
> 2008-02-02 00:46:53,925 INFO org.apache.hadoop.dfs.DataNode: Received block blk_-4102605170938551016
from /33.33.33.33

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