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From Prashant Sharma <prashan...@imaginea.com>
Subject Re: Why total node just 1
Date Mon, 02 Jan 2012 03:33:23 GMT
You can check (datanode) logs on every system. Most probably datanodes are
not able to join the namenode.

-P

On Mon, Jan 2, 2012 at 8:53 AM, Martinus Martinus <martinus787@gmail.com>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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