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From "Jim Kellerman (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2668) [hbase] After 2643, cluster won't start if FS was created by an older hbase version
Date Sat, 19 Jan 2008 23:46:34 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12560748#action_12560748
] 

Jim Kellerman commented on HADOOP-2668:
---------------------------------------

If you run the migrate tool as the exception suggested, it will write the version file and
then the system will start.

> [hbase] After 2643, cluster won't start if FS was created by an older hbase version
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-2668
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2668
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/hbase
>            Reporter: stack
>            Priority: Blocker
>             Fix For: 0.16.0
>
>         Attachments: migrate.patch
>
>
> Hbase now checks for a version file.  If none, it reports a version mismatch.  There
will be no version file if the hbase was made by a version older than r613469

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