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From "fulin wang (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5599) The hbkc tool can not fix the six scenarios, it is NO_VERSION_FILE, NOT_IN_META_OR_DEPLOYED, NOT_IN_META, SHOULD_NOT_BE_DEPLOYED, FIRST_REGION_STARTKEY_NOT_EMPTY, HOLE_IN_REGION_CHAIN.
Date Tue, 20 Mar 2012 06:17:42 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13233247#comment-13233247
] 

fulin wang commented on HBASE-5599:
-----------------------------------

today I will update the patch, I am testing;
please, it was referring to the patch, I think you should think about this scenarios in my
patch.
I hope that the hbck tool will be strong, thanks.
                
> The hbkc tool can not fix the six scenarios, it is NO_VERSION_FILE, NOT_IN_META_OR_DEPLOYED,
NOT_IN_META, SHOULD_NOT_BE_DEPLOYED, FIRST_REGION_STARTKEY_NOT_EMPTY, HOLE_IN_REGION_CHAIN.
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-5599
>                 URL: https://issues.apache.org/jira/browse/HBASE-5599
>             Project: HBase
>          Issue Type: New Feature
>          Components: hbck
>    Affects Versions: 0.90.6
>            Reporter: fulin wang
>             Fix For: 0.90.6
>
>         Attachments: hbase-5599-0.90.patch
>
>
> The hbck tool can not fix the six scenarios.
> 1. Version file does not exist in root dir.
>    Fix: I try to create a version file by 'FSUtils.setVersion' method.
>    
> 2. [REGIONNAME][KEY] on HDFS, but not listed in META or deployed on any region server.
>    Fix: I get region info form the hdfs file, this region info write to '.META.' table.
>    
> 3. [REGIONNAME][KEY] not in META, but deployed on [SERVERNAME]
>    Fix: I get region info form the hdfs file, this region info write to '.META.' table.
>    
> 4. [REGIONNAME] should not be deployed according to META, but is deployed on [SERVERNAME]
>    Fix: Close this region.
>    
> 5. First region should start with an empty key.  You need to  create a new region and
regioninfo in HDFS to plug the hole.
>    Fix: The region info is not in hdfs and .META., so it create a empty region for this
error.
> 6. There is a hole in the region chain between [KEY] and [KEY]. You need to create a
new regioninfo and region dir in hdfs to plug the hole.
>   Fix: The region info is not in hdfs and .META., so it create a empty region for this
hole.
>   

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