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From Jack Levin <magn...@gmail.com>
Subject Re: Question about dead datanode
Date Thu, 13 Feb 2014 18:41:04 GMT
I meant its in the 'dead' list on HDFS namenode page. Hadoop fsck / shows
no issues.


On Thu, Feb 13, 2014 at 10:38 AM, Jack Levin <magnito@gmail.com> wrote:

>  Good morning --
> I had a question, we have had a datanode go down, and its been down for
> few days, however hbase is trying to talk to that dead datanode still
>  2014-02-13 08:57:23,073 WARN org.apache.hadoop.hdfs.DFSClient: Failed to
> connect to /10.101.5.5:50010 for file
> /hbase/img39/6388c3574c32c409e8387d3c4d10fcdb/att/2690638688138250544 for
> block 805865
>
> so, question is, how come RS trying to talk to dead datanode, its on in
> HDFS list even.
>
> Isn't the RS is just HDFS client?  And it should not talk to offlined HDFS
> datanode that went down?  This caused a lot of issues in our cluster.
>
> Thanks,
> -Jack
>

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