hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From David Wei <weiw...@kingsoft.com>
Subject Re: Why did I only get 2 live datanodes?
Date Thu, 16 Oct 2008 03:41:36 GMT
only the IPs of each node. For example:
192.168.52.129
192.168.49.40
192.168.55.104
192.168.49.148

They are totally different in hardware conf., and is that matter?

Thx!

David

?P 写道:
> What is your configuration in $HADOOP_HOME/conf/salves ?
>
> ----- Original Message -----
> From: "David Wei" <weiwei1@kingsoft.com>
> To: <core-user@hadoop.apache.org>
> Sent: Thursday, October 16, 2008 11:05 AM
> Subject: Why did I only get 2 live datanodes?
>
>
>   
>> We had installed hadoop on 4 machines, and one of them has been chosen
>> to be master and also slaves. The rest of machines are configured as
>> slaves. But it is strange that we can only see 2 live nodes on web
>> UI:http://192.168.52.129:50070/dfshealth.jsp(master machine). When we
>> try to refresh the page, we found that only 2 nodes are listed and one
>> of them are continuing replaced by others.
>>
>> After using command:bin/hadoop dfsadmin -report, we got only 2 data
>> nodes listed.
>>
>> Another thing is we found this in the log
>> file(hadoop-root-namenode-datacenter5.log
>> ---datacenter5 is the name of master):
>> 2008-10-16 02:45:12,384 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
>> NameSystem.registerDatanode: node 192.168.49.148:50010 is replaced by
>> 192.168.52.129:50010 with the same storageID
>> DS-2140035130-127.0.0.1-50010-1223898963914
>> .......
>> 2008-10-16 02:45:12,432 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
>> NameSystem.registerDatanode: node 192.168.52.129:50010 is replaced by
>> 192.168.55.104:50010 with the same storageID
>> DS-2140035130-127.0.0.1-50010-1223898963914
>> ........
>> 2008-10-16 02:45:13,380 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
>> NameSystem.registerDatanode: node 192.168.55.104:50010 is replaced by
>> 192.168.49.148:50010 with the same storageID
>> DS-2140035130-127.0.0.1-50010-1223898963914
>>
>> Is there any problem with our configuration or maybe we just missed some
>> options?
>>
>> BTW, my machines are total different in hardware, such as memory, disk
>> and cpu.
>>
>> Thx!
>>
>> David
>>
>>
>>
>>
>>     
>
>   



Mime
View raw message