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https://issues.apache.org/jira/browse/HDFS-2882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo Nicholas Sze updated HDFS-2882:
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Hadoop Flags: Reviewed
+1 patch looks good.
> DN continues to start up, even if block pool fails to initialize
> ----------------------------------------------------------------
>
> Key: HDFS-2882
> URL: https://issues.apache.org/jira/browse/HDFS-2882
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 2.0.2-alpha
> Reporter: Todd Lipcon
> Assignee: Vinayakumar B
> Attachments: HDFS-2882.patch, HDFS-2882.patch, HDFS-2882.patch,
> HDFS-2882.patch, HDFS-2882.patch, HDFS-2882.patch, HDFS-2882.patch,
> HDFS-2882.patch, hdfs-2882.txt
>
>
> I started a DN on a machine that was completely out of space on one of its
> drives. I saw the following:
> 2012-02-02 09:56:50,499 FATAL
> org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for
> block pool Block pool BP-448349972-172.29.5.192-1323816762969 (storage id
> DS-507718931-172.29.5.194-11072-12978
> 42002148) service to styx01.sf.cloudera.com/172.29.5.192:8021
> java.io.IOException: Mkdirs failed to create
> /data/1/scratch/todd/styx-datadir/current/BP-448349972-172.29.5.192-1323816762969/tmp
> at
> org.apache.hadoop.hdfs.server.datanode.FSDataset$BlockPoolSlice.<init>(FSDataset.java:335)
> but the DN continued to run, spewing NPEs when it tried to do block reports,
> etc. This was on the HDFS-1623 branch but may affect trunk as well.
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