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Hadoop, mail # user - How to recover hadoop cluster using SecondaryNameNode ?


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Re: How to recover hadoop cluster using SecondaryNameNode ?
Jeff Zhang 2010-05-14, 01:39
Allen,

Do you mean HDFS-976 <https://issues.apache.org/jira/browse/HDFS-976> and
HDFS-966 <https://issues.apache.org/jira/browse/HDFS-966> ?

On Fri, May 14, 2010 at 1:32 AM, Allen Wittenauer <[EMAIL PROTECTED]>
wrote:
>
> This code hasn't been committed to any branch yet and doesn't appear to
have undergone any review outside of Facebook. :(
>
> On May 13, 2010, at 6:18 AM, Ted Yu wrote:
>
>> I suggest you take a look at AvatarNode which runs standby avatar that
>> can be activated if primary avatar fails.
>>
>>
>> On Thursday, May 13, 2010, Jeff Zhang <[EMAIL PROTECTED]> wrote:
>>> Hi all,
>>>
>>> I wonder is it enough for recovering hadoop cluster by just coping the
>>> meta data from SecondaryNameNode to the new master node ? Do I any
>>> need do any other stuffs ?
>>> Thanks for any help.
>>>
>>>
>>>
>>> --
>>> Best Regards
>>>
>>> Jeff Zhang
>>>
>
>

--
Best Regards

Jeff Zhang