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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-2526) Fixup script that scans .META., report holes if any and then finds dropped regions in fs if they are present (loading them if asked)
Date Mon, 10 May 2010 20:14:29 GMT
Fixup script that scans .META., report holes if any and then finds dropped regions in fs if
they are present (loading them if asked) 
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                 Key: HBASE-2526
                 URL: https://issues.apache.org/jira/browse/HBASE-2526
             Project: Hadoop HBase
          Issue Type: Task
          Components: scripts
            Reporter: stack


I was just at a site that was getting a WRE.  Looking at meta, was plain that a region was
missing from .META.  The install was 0.20.3 (0.20.4 should fix the issue seen but...).  Getting
things back online involved digging in logs to find info on missing region, what its encoded
name was, and then doing a hack version of add_table.rb to add back the dropped region.

A script that could spin through meta could easily find holes.  That'd be a help.  Subsequent,
the script could go looking in fs for the missing region.  If present, it could even add back
the missing region.  This is subtask of hbase-7.

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