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From Pavan Kumar Polineni <smartsunny...@gmail.com>
Subject Re: How to fail the Name Node or how to crash the Name Node for testing Purpose.
Date Wed, 19 Jun 2013 07:35:37 GMT
hi Nitin,

That's true mate. Finally your understand me. And if you have some
scenarios also accepted :).

Thanks In Advance.


On Wed, Jun 19, 2013 at 1:01 PM, Nitin Pawar <nitinpawar432@gmail.com>wrote:

> If I understand correctly,
>
> what you want to do is crash the namenode manually and recover it using
> secondary namenode?
> and you want to know both how to crash the namenode as well how to recover
> it
>
> Is that correct ?
>
>
> On Wed, Jun 19, 2013 at 12:34 PM, Pavan Kumar Polineni <
> smartsunnyb4u@gmail.com> wrote:
>
>> Hi Manoj,
>>
>> If we power of the Host then the secondary name node also goes down. I
>> want to simulate the name node failure and what to do some recovery. Every
>> thing is part of the testing the name node recovery.
>>
>>
>>
>> On Wed, Jun 19, 2013 at 12:32 PM, Manoj S <manoj.sundaram21@gmail.com>wrote:
>>
>>> You can stop the Namenode daemon or even power the host off :)
>>>
>>>
>>> On Wed, Jun 19, 2013 at 12:27 PM, Pavan Kumar Polineni <
>>> smartsunnyb4u@gmail.com> wrote:
>>>
>>>> I am using Hadoop-1. I dont want HA.
>>>>
>>>>
>>>> On Wed, Jun 19, 2013 at 12:20 PM, Azuryy Yu <azuryyyu@gmail.com> wrote:
>>>>
>>>>> hey Pavan,
>>>>> Hadoop-2.* has HDFS HA, which hadoop version are you using?
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Jun 19, 2013 at 2:46 PM, Pavan Kumar Polineni <
>>>>> smartsunnyb4u@gmail.com> wrote:
>>>>>
>>>>>> I am checking for Cloudera only. But no HA? just we have single Name
>>>>>> node.
>>>>>> For testing purposes and preventing actions. Preparing expected
>>>>>> scenarios and solutions for them.
>>>>>>
>>>>>>
>>>>>> On Wed, Jun 19, 2013 at 12:14 PM, Nitin Pawar <
>>>>>> nitinpawar432@gmail.com> wrote:
>>>>>>
>>>>>>> are you testing it for HA?
>>>>>>> which version of hadoop are you using?
>>>>>>>
>>>>>>> can you explain your test scenario in detail
>>>>>>>
>>>>>>>
>>>>>>>  On Wed, Jun 19, 2013 at 12:08 PM, Pavan Kumar Polineni <
>>>>>>> smartsunnyb4u@gmail.com> wrote:
>>>>>>>
>>>>>>>> For Testing The Name Node Crashes and failures. For Single
Point of
>>>>>>>> Failure
>>>>>>>>
>>>>>>>> --
>>>>>>>>  Pavan Kumar Polineni
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Nitin Pawar
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>>  Pavan Kumar Polineni
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>>  Pavan Kumar Polineni
>>>>
>>>
>>>
>>
>>
>> --
>>  Pavan Kumar Polineni
>>
>
>
>
> --
> Nitin Pawar
>



-- 
 Pavan Kumar Polineni

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