Observe:

~/ $ hd fs -put test /test
put: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot create file/test. Name node is in safe mode.
~/ $ hadoop dfsadmin -safemode leave
Safe mode is OFF
~/ $ hadoop dfsadmin -safemode get
Safe mode is ON
~/ $ hadoop dfsadmin -safemode leave
Safe mode is OFF
~/ $ hadoop dfsadmin -safemode get
Safe mode is ON
~/ $ hd fs -put test /test
put: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot create file/test. Name node is in safe mode.
~/ $

Grrr!

________________________________________________________________________________
Keith Wiley     [EMAIL PROTECTED]     keithwiley.com    music.keithwiley.com

"I do not feel obliged to believe that the same God who has endowed us with
sense, reason, and intellect has intended us to forgo their use."
                                           --  Galileo Galilei
________________________________________________________________________________

Can look in name node logs and post last few lines?

On 9/4/12 10:07 AM, "Keith Wiley" <[EMAIL PROTECTED]> wrote:

>Observe:
>
>~/ $ hd fs -put test /test
>put: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot
>create file/test. Name node is in safe mode.
>~/ $ hadoop dfsadmin -safemode leave
>Safe mode is OFF
>~/ $ hadoop dfsadmin -safemode get
>Safe mode is ON
>~/ $ hadoop dfsadmin -safemode leave
>Safe mode is OFF
>~/ $ hadoop dfsadmin -safemode get
>Safe mode is ON
>~/ $ hd fs -put test /test
>put: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot
>create file/test. Name node is in safe mode.
>~/ $
>
>Grrr!
>
>__________________________________________________________________________
>______
>Keith Wiley     [EMAIL PROTECTED]     keithwiley.com
>music.keithwiley.com
>
>"I do not feel obliged to believe that the same God who has endowed us
>with
>sense, reason, and intellect has intended us to forgo their use."
>                                           --  Galileo Galilei
>__________________________________________________________________________
>______
>

Yep, moving the NN to the secondary larger disk seems to have improved it.  Thanks again for your great help Harsh (and others).

Cheers!

On Sep 7, 2012, at 08:31 , Harsh J wrote:

> The issue was that Keith's NN was out of resources (low disk space)
> and that forced the NN into safemode. This was detected on another
> thread from him.
>
> On Fri, Sep 7, 2012 at 1:12 PM, Dino Kečo <[EMAIL PROTECTED]> wrote:
>> Hi Keith,
>>
>> I was having same problem on my small cluster and some blocks where missing
>> on DFS. I have used this command
>>
>> hadoop dfsadmin -safemode leave
>>
>> and after that i have run dfs disk check to see which files are corrupted.
>>
>> Hope this helps,
>> Dino Kečo
>> msn: [EMAIL PROTECTED]
>> mail: [EMAIL PROTECTED]
>> skype: dino.keco
>> phone: +387 61 507 851
>>
>>
>> On Fri, Sep 7, 2012 at 12:13 AM, Adam Brown <[EMAIL PROTECTED]> wrote:
>>>
>>> sorry
>>>
>>> @Keith
>>>
>>> are you sure your datanodes have reported in?
>>>
>>> On Thu, Sep 6, 2012 at 3:12 PM, Adam Brown <[EMAIL PROTECTED]> wrote:
>>>> Hi Serge,
>>>>
>>>> are you sure your datanodes have reported in ?
>>>>
>>>>
>>>>
>>>> On Tue, Sep 4, 2012 at 10:10 AM, Serge Blazhiyevskyy
>>>> <[EMAIL PROTECTED]> wrote:
>>>>> Can look in name node logs and post last few lines?
>>>>>
>>>>>
>>>>>
>>>>> On 9/4/12 10:07 AM, "Keith Wiley" <[EMAIL PROTECTED]> wrote:
>>>>>
>>>>>> Observe:
>>>>>>
>>>>>> ~/ $ hd fs -put test /test
>>>>>> put: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot
>>>>>> create file/test. Name node is in safe mode.
>>>>>> ~/ $ hadoop dfsadmin -safemode leave
>>>>>> Safe mode is OFF
>>>>>> ~/ $ hadoop dfsadmin -safemode get
>>>>>> Safe mode is ON
>>>>>> ~/ $ hadoop dfsadmin -safemode leave
>>>>>> Safe mode is OFF
>>>>>> ~/ $ hadoop dfsadmin -safemode get
>>>>>> Safe mode is ON
>>>>>> ~/ $ hd fs -put test /test
>>>>>> put: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot
>>>>>> create file/test. Name node is in safe mode.
>>>>>> ~/ $
>>>>>>
>>>>>> Grrr!
________________________________________________________________________________
Keith Wiley     [EMAIL PROTECTED]     keithwiley.com    music.keithwiley.com

"Yet mark his perfect self-contentment, and hence learn his lesson, that to be
self-contented is to be vile and ignorant, and that to aspire is better than to
be blindly and impotently happy."
                                           --  Edwin A. Abbott, Flatland
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