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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9151) HBCK cannot fix when meta server znode deleted, this can happen if all region servers stopped and there are no logs to split.
Date Mon, 23 Dec 2013 04:27:50 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13855368#comment-13855368
] 

Hudson commented on HBASE-9151:
-------------------------------

FAILURE: Integrated in HBase-TRUNK #4745 (See [https://builds.apache.org/job/HBase-TRUNK/4745/])
HBASE-9151 HBCK cannot fix when meta server znode deleted, this can happen if all region servers
stopped and there are no logs to split. (rajeshbabu: rev 1553056)
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
* /hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRSKilledWhenInitializing.java
* /hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestHBaseFsck.java


> HBCK cannot fix when meta server znode deleted, this can happen if all region servers
stopped and there are no logs to split.
> -----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-9151
>                 URL: https://issues.apache.org/jira/browse/HBASE-9151
>             Project: HBase
>          Issue Type: Bug
>          Components: hbck
>            Reporter: rajeshbabu
>            Assignee: rajeshbabu
>             Fix For: 0.98.0, 0.96.2, 0.99.0
>
>         Attachments: HBASE-9151.patch, HBASE-9151_v2.patch, HBASE-9151_v2.patch
>
>
> When meta server znode deleted and meta in FAILED_OPEN state, then hbck cannot fix it.
This scenario can come when all region servers stopped by stop command and didnt start any
RS within 10 secs(with default configurations). 
> {code}
>   public void assignMeta() throws KeeperException {
>     MetaRegionTracker.deleteMetaLocation(this.watcher);
>     assign(HRegionInfo.FIRST_META_REGIONINFO, true);
>   }
> {code}



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