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https://issues.apache.org/jira/browse/HBASE-2522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12904915#action_12904915
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stack commented on HBASE-2522:
------------------------------

This should not be possible in new master.  Disable/enable of a table is a flag 
in zk, not state of region online/offline flag.  Leaving open till we write a 
unit test to prove that this no longer possible under new master.

> Disabling a table during a split (tricky) can leave the daughter regions 
> assigned and marked offline in .META.
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-2522
>                 URL: https://issues.apache.org/jira/browse/HBASE-2522
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Jean-Daniel Cryans
>            Priority: Blocker
>             Fix For: 0.90.0
>
>
> If for any reason the master takes too much time to process a 
> MSG_REPORT_SPLIT_INCLUDES_DAUGHTERS, and that a user successfully disables 
> the table, then the daughter regions will still be assigned and marked as 
> offline in .META.
> A test case I'm uploading to HBASE-2515 shows the issue.

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