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Posted to hdfs-dev@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/07/18 07:41:04 UTC

[jira] [Resolved] (HDFS-293) Remove code related to conversion of name-node and data-node storage directories to the format introduced in hadoop 0.13

     [ https://issues.apache.org/jira/browse/HDFS-293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved HDFS-293.
-----------------------------------

    Resolution: Won't Fix

Anyone still using 0.13 and earlier is probably living in a cave.

> Remove code related to conversion of name-node and data-node storage directories to the format introduced in hadoop 0.13
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-293
>                 URL: https://issues.apache.org/jira/browse/HDFS-293
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Konstantin Shvachko
>            Assignee: Raghu Angadi
>
> Hadoop 0.18 does not support direct HDFS upgrades from versions 0.13 or earlier as stated in HADOOP-2797.
> A 2 step upgrade is required in this case first from 0.x <= 0.13 to one of version 0.14 through 0.17 and then to 0.18.
> This implies that current hdfs does not need to support code related to conversions of the old (pre 0.13) storage layout to the current one introduced in 0.13 (see. HADOOP-702).



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