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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2173) saveNamespace should not throw IOE when only one storage directory fails to write VERSION file
Date Wed, 20 Jul 2011 19:02:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13068565#comment-13068565
] 

Todd Lipcon commented on HDFS-2173:
-----------------------------------

I made it a subtask since the bug is in code which has been mostly rewritten in the branch.
So, if it got fixed in trunk before 1073 was merged, we'd just have to re-fix it.

> saveNamespace should not throw IOE when only one storage directory fails to write VERSION
file
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-2173
>                 URL: https://issues.apache.org/jira/browse/HDFS-2173
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: Edit log branch (HDFS-1073), 0.23.0
>            Reporter: Todd Lipcon
>             Fix For: 0.23.0
>
>
> This JIRA tracks a TODO in TestSaveNamespace. Currently, if, while writing the VERSION
files in the storage directories, one of the directories fails, the entire operation throws
IOE. This is unnecessary -- instead, just that directory should be marked as failed.
> This is targeted to be fixed _after_ HDFS-1073 is merged to trunk, since it does not
ever dataloss, and would rarely occur in practice (the dir would have to fail between writing
the fsimage file and writing VERSION)

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