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From "zhaoyunjiong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5247) Namenode should close editlog and unlock storage when removing failed storage dir
Date Wed, 25 Sep 2013 02:15:03 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13777073#comment-13777073
] 

zhaoyunjiong commented on HDFS-5247:
------------------------------------

I'm saying for the failed directory.
Our case is due to no space on that disk. In this case, it need and should close those two
files.
And I believe try to close won't make thing worse.
                
> Namenode should close editlog and unlock storage when removing failed storage dir
> ---------------------------------------------------------------------------------
>
>                 Key: HDFS-5247
>                 URL: https://issues.apache.org/jira/browse/HDFS-5247
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 1.2.1
>            Reporter: zhaoyunjiong
>            Assignee: zhaoyunjiong
>             Fix For: 1.2.1
>
>         Attachments: HDFS-5247-branch-1.2.patch
>
>
> When one of dfs.name.dir failed, namenode didn't close editlog and unlock the storage:
> java    24764 hadoop   78uW  REG 252,32        0 393219 /volume1/nn/dfs/in_use.lock (deleted)
> java    24764 hadoop  107u   REG 252,32  1155072 393229 /volume1/nn/dfs/current/edits.new
(deleted)
> java    24764 hadoop  119u   REG 252,32        0 393238 /volume1/nn/dfs/current/fstime.tmp
> java    24764 hadoop  140u   REG 252,32  1761805 393239 /volume1/nn/dfs/current/edits
> If this dir is limit of space, then restore this storage may fail.

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