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Date: Mon, 2 Jan 2012 14:15:06 +0800
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Subject: Re: Why total node just 1
From: Martinus Martinus <martinus787@gmail.com>
To: hdfs-user@hadoop.apache.org
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Hi Harsh J,

Thanks for your advice. I have it works right now, I deleted the data
folder inside the hadoop.tmp.dir and I run it again and it's now have total
4 nodes.

Thanks and Happy New Year 2012.

On Mon, Jan 2, 2012 at 11:34 AM, Harsh J <harsh@cloudera.com> wrote:

> Check your other 3 DN's logs. Could be that you may not have propagated
> configurations properly, or could be that you have a firewall you need to
> turn off/configure, to let the DataNodes communicate with the NameNode.
>
> On 02-Jan-2012, at 8:53 AM, Martinus Martinus wrote:
>
> Hi,
>
> I have setup a hadoop clusters with 4 nodes and I have start-all.sh and
> checked in every node, there are tasktracker and datanode run, but when I
> run hadoop dfsadmin -report it's said like this :
>
> Configured Capacity: 30352158720 (28.27 GB)
> Present Capacity: 3756392448 (3.5 GB)
> DFS Remaining: 3756355584 (3.5 GB)
> DFS Used: 36864 (36 KB)
> DFS Used%: 0%
> Under replicated blocks: 1
> Blocks with corrupt replicas: 0
> Missing blocks: 0
>
> -------------------------------------------------
> Datanodes available: 1 (1 total, 0 dead)
>
> Name: 192.168.1.1:50010
> Decommission Status : Normal
> Configured Capacity: 30352158720 (28.27 GB)
> DFS Used: 36864 (36 KB)
> Non DFS Used: 26595766272 (24.77 GB)
> DFS Remaining: 3756355584(3.5 GB)
> DFS Used%: 0%
> DFS Remaining%: 12.38%
> Last contact: Mon Jan 02 11:19:44 CST 2012
>
> Why is there only total 1 node available? How to fix this problem?
>
> Thanks.
>
>
>

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Hi Harsh J,<br><br>Thanks for your advice. I have it works right now, I del=
eted the data folder inside the hadoop.tmp.dir and I run it again and it=
9;s now have total 4 nodes.<br><br>Thanks and Happy New Year 2012.<br><br>
<div class=3D"gmail_quote">On Mon, Jan 2, 2012 at 11:34 AM, Harsh J <span d=
ir=3D"ltr">&lt;<a href=3D"mailto:harsh@cloudera.com">harsh@cloudera.com</a>=
&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0pt=
 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div style=3D"word-wrap:break-word">Check your other 3 DN&#39;s logs. Could=
 be that you may not have propagated configurations properly, or could be t=
hat you have a firewall you need to turn off/configure, to let the DataNode=
s communicate with the NameNode.<div>
<div></div><div class=3D"h5"><div><br><div><div>On 02-Jan-2012, at 8:53 AM,=
 Martinus Martinus wrote:</div><br><blockquote type=3D"cite">Hi,<br><br>I h=
ave setup a hadoop clusters with 4 nodes and I have start-all.sh and checke=
d in every node, there are tasktracker and datanode run, but when I run had=
oop dfsadmin -report it&#39;s said like this : <br>
<br>Configured Capacity: 30352158720 (28.27 GB)<br>
Present Capacity: 3756392448 (3.5 GB)<br>DFS Remaining: 3756355584 (3.5 GB)=
<br>DFS Used: 36864 (36 KB)<br>DFS Used%: 0%<br>Under replicated blocks: 1<=
br>Blocks with corrupt replicas: 0<br>Missing blocks: 0<br><br>------------=
-------------------------------------<br>

Datanodes available: 1 (1 total, 0 dead)<br><br>Name: <a href=3D"http://192=
.168.1.1:50010/" target=3D"_blank">192.168.1.1:50010</a><br>Decommission St=
atus : Normal<br>Configured Capacity: 30352158720 (28.27 GB)<br>DFS Used: 3=
6864 (36 KB)<br>
Non DFS Used: 26595766272 (24.77 GB)<br>
DFS Remaining: 3756355584(3.5 GB)<br>DFS Used%: 0%<br>DFS Remaining%: 12.38=
%<br>Last contact: Mon Jan 02 11:19:44 CST 2012<br><br>Why is there only to=
tal 1 node available? How to fix this problem?<br><br>Thanks.<br>
</blockquote></div><br></div></div></div></div></blockquote></div><br>

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