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From Harsh J <ha...@cloudera.com>
Subject Re: dfs.permissions.superusergroup not working
Date Mon, 27 Jul 2015 04:10:08 GMT
That is correct, that specific property currently accepts only one value.

On Mon, Jul 27, 2015 at 8:33 AM Gangavarapu, Venkata <
Venkata.Gangavarapu@bcbsa.com> wrote:

>  Hey Harsh,
>
> Thanks for responding.
>
>
>
> Sorry about that. It was a typo.
>
>
>
> It was set as below
>
>
>
> <property>
>
>       <name> dfs.permissions.superusergroup </name>
>
>       <value>hdfs,hdpdadmngrp</value>
>
>     </property>
>
>
>
> I changed it as below and it is working
>
>
>
> <property>
>
>       <name> dfs.permissions.superusergroup </name>
>
>       <value>hdpdadmngrp</value>
>
>     </property>
>
>
>
> Looks like it accepts only one group as value. If that’s not true, please
> advise me whar would have went wrong
>
>
>
> Thanks,
>
> Venkat
>
>
>
>
>
> *From:* Harsh J [mailto:harsh@cloudera.com]
> *Sent:* Friday, July 24, 2015 9:26 PM
> *To:* user@hadoop.apache.org
> *Subject:* Re: dfs.permissions.superusergroup not working
>
>
>
> Is there a typo in your email, or did you set dfs.cluster.administrators
> instead of intending to set dfs.permissions.superusergroup?
>
>
>
> Also, are your id outputs from the NameNode machines? Cause by default the
> group lookups happen local to your NameNode machine.
>
>
>
> On Sat, Jul 25, 2015 at 1:31 AM Gangavarapu, Venkata <
> Venkata.Gangavarapu@bcbsa.com> wrote:
>
>  Hi,
>
>
>
> I have add two groups under dfs.permissions.superusergroup property as
> below
>
> <property>
>
>       <name>dfs.cluster.administrators</name>
>
>       <value> hdfs,hdpdadmngrp</value>
>
>     </property>
>
>
>
> Restarted the HDFS after the change.
>
>
>
> But I am not able to run the below command
>
> hdfs dfsadmin –refreshNodes
>
>
>
>
>
> Error says I don’t have privilege to run the above command
>
>
>
> My cluster is kerberized. I have principal for my user id.
>
>
>
> Hdfs user:
>
> uid=504(hdfs) gid=501(hadoop) groups=501(hadoop),503(hdfs),506(hdpdadmngrp)
>
>
>
> New admin user:
>
> uid=1007(gv07680) gid=506(hdpdadmngrp) groups=506(hdpdadmngrp)
>
>
>
> I am using hadoop-2.6.0
>
>
>
> Please help me with this.
>
>
>
> Thanks,
>
> Venkat
>
>

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