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MapReduce, mail # user - Can you help me to install HDFS Federation and test?


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Re: Can you help me to install HDFS Federation and test?
Visioner Sadak 2013-09-11, 10:04
may be this can help you ....
On Wed, Sep 11, 2013 at 3:07 PM, Oh Seok Keun <[EMAIL PROTECTED]> wrote:

> Hello~ I am Rho working in korea
>
> I am trying to install HDFS Federation( with 2.1.0 beta version ) and to
> test
> After 2.1.0 ( for federation  test ) install I have a big trouble when
> file putting test
>
>
> I command to hadoop
> Can you help me to install HDFS Federation and test?
> ./bin/hadoop fs -put test.txt /NN1/
>
> there is error message
> "put: Renames across FileSystems not supported"
>
> But ./bin/hadoop fs -put test.txt hdfs://namnode:8020/NN1/  is ok
>
> Why this is happen? This is very sad to me ^^
> Can you explain why this is happend and give me solution?
>
>
> Additionally
>
> Namenode1 is access to own Namespace( named NN1 ) and Namenode2 is access
> to own Namespace( named NN2 )
> When making directory in namenode1 server
> ./bin/hadoop fs -mkdir /NN1/nn1_org  is ok but ./bin/hadoop fs -mkdir
> /NN2/nn1_org   is error
>
> Error message is "/NN2/nn1_org': No such file or directory"
>
> I think this is very right
>
> But in namenode2 server
> ./bin/hadoop fs -mkdir /NN1/nn2_org  is ok but ./bin/hadoop fs -mkdir
> /NN2/nn2_org is error
> Error message is "mkdir: `/NN2/nn2_org': No such file or directory"
>
> I think when making directory in NN1 is error and making directory in NN2
> is ok
>
> Why this is happen and can you give solution?
>