[jira] [Resolved] (HDFS-580) Name node will exit safe mode w/0 blocks even if data nodes are broken

["Allen Wittenauer (Resolved) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved HDFS-580.
-----------------------------------

    Resolution: Won't Fix
    
> Name node will exit safe mode w/0 blocks even if data nodes are broken
> ----------------------------------------------------------------------
>
>                 Key: HDFS-580
>                 URL: https://issues.apache.org/jira/browse/HDFS-580
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Allen Wittenauer
>
> If one brings up a freshly formatted name node against older data nodes with an incompatible storage id (such that the datanodes fail with Directory /mnt/u001/dfs-data is in an inconsistent state: is incompatible with others.), the name node will still come out of safe mode.  Writes will partially succeed--entries are created, but all are zero length.

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