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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1594) When the disk becomes full Namenode is getting shutdown and not able to recover
Date Fri, 28 Jan 2011 06:37:45 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12987960#action_12987960
] 

Konstantin Boudnik commented on HDFS-1594:
------------------------------------------

bq . I am finding it hard to review this diff because it has lots of diffs that are not inherently
connected with the attempted fix.
That was exactly the point of asking for another round-trip ;)

> When the disk becomes full Namenode is getting shutdown and not able to recover
> -------------------------------------------------------------------------------
>
>                 Key: HDFS-1594
>                 URL: https://issues.apache.org/jira/browse/HDFS-1594
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.21.0, 0.21.1, 0.22.0
>         Environment: Linux linux124 2.6.27.19-5-default #1 SMP 2009-02-28 04:40:21 +0100
x86_64 x86_64 x86_64 GNU/Linux
>            Reporter: Devaraj K
>         Attachments: hadoop-root-namenode-linux124.log, HDFS-1594.patch
>
>
> When the disk becomes full name node is shutting down and if we try to start after making
the space available It is not starting and throwing the below exception.
> {code:xml} 
> 2011-01-24 23:23:33,727 ERROR org.apache.hadoop.hdfs.server.namenode.FSNamesystem: FSNamesystem
initialization failed.
> java.io.EOFException
> 	at java.io.DataInputStream.readFully(DataInputStream.java:180)
> 	at org.apache.hadoop.io.UTF8.readFields(UTF8.java:117)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImageSerialization.readString(FSImageSerialization.java:201)
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecords(FSEditLogLoader.java:185)
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:93)
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:60)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:1089)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:1041)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:487)
> 	at org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:149)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:306)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:284)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:328)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:356)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:577)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:570)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1529)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1538)
> 2011-01-24 23:23:33,729 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: java.io.EOFException
> 	at java.io.DataInputStream.readFully(DataInputStream.java:180)
> 	at org.apache.hadoop.io.UTF8.readFields(UTF8.java:117)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImageSerialization.readString(FSImageSerialization.java:201)
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecords(FSEditLogLoader.java:185)
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:93)
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:60)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:1089)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:1041)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:487)
> 	at org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:149)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:306)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:284)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:328)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:356)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:577)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:570)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1529)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1538)
> 2011-01-24 23:23:33,730 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG:

> /************************************************************
> SHUTDOWN_MSG: Shutting down NameNode at linux124/10.18.52.124
> ************************************************************/
> {code} 

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