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From "Jinsong Hu" <jinsong...@hotmail.com>
Subject Re: hbase hbck error
Date Mon, 23 May 2011 18:39:06 GMT
I checked the master, unfortunately ,  I must have wrong setting that all 
master log are not there.
So I checked the regionserver which hosted this region.  I have 14 days log 
there and I grep this 02f9ec575b19864ae44e714d9245138f,
and I don't see any log. then I searched all regionserver's log for last 
several days , and don't see
any log related to this region either.


From: "Jean-Daniel Cryans" <jdcryans@apache.org>
Sent: Monday, May 23, 2011 10:53 AM
To: <user@hbase.apache.org>
Subject: Re: hbase hbck error

> I don't remember seeing this sort of issue a lot, or at all... Usually
> the region would not be on .META. so it looks like a different issue.
> Could you grep the master logs and see what's the story of that
> region? Just look for 02f9ec575b19864ae44e714d9245138f and try to
> figure what happened to that region, might give us a clue.
> J-D
> On Mon, May 23, 2011 at 10:29 AM, Jinsong Hu <jinsong_hu@hotmail.com> 
> wrote:
>> Hi,
>> today I run "hbase hbck " to check our production cluster and dev 
>> cluster,
>> the production cluster comes out clean, but
>> in our dev cluster, I have seem more than 2K errors like this:
>> ERROR: Region
>> HEARTBEAT_MASTERPATCH,time\x09daily\x092010-08-15\x09uobkayhian_pr
>> oduction\x09patch-0000694,1287356584131.02f9ec575b19864ae44e714d9245138f.
>> found
>> in META, but not in HDFS, and deployed on m0002040.ppops.net:60020
>> I checked hbase GUI, and indeed , it is correct, the region is loaded by 
>> the
>> region server, but the hdfs directory
>> is not there.
>> I am running cdh3u0, and I wonder how this can happen. Once it has 
>> happened,
>> what can I do to recover to bring the table back to healthy state.
>> Jimmy.

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