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https://issues.apache.org/jira/browse/HBASE-4058?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13062317#comment-13062317
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stack commented on HBASE-4058:
------------------------------

So I see our fixup tool first running an evaluation on the state of meta and 
then it would offer admin choices.  For overlapping regions, we should make it 
so hbck will run online merge of the regions that span the broken key area.  If 
holes, offer to plug the hole.  We should also offer the option to rebuild from 
the fs per table or all under hbase.rootdir.

> Extend TestHBaseFsck with a complete .META. recovery scenario
> -------------------------------------------------------------
>
>                 Key: HBASE-4058
>                 URL: https://issues.apache.org/jira/browse/HBASE-4058
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Andrew Purtell
>             Fix For: 0.92.0
>
>
> We should have a unit test that launches a minicluster and constructs a few 
> tables, then deletes META files on disk, then bounces the master, then 
> recovers the result with HBCK. Perhaps it is possible to extend TestHBaseFsck 
> to do this.

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