Hi Shail,

Below mentioned steps are  mentioned in Ranger Guide to enable Ranger
plugin In Hadoop HA cluster


To enable Ranger in the HDFS HA environment, an HDFS plugin must be
set up in each NameNode, and then pointed to the same HDFS repository
set up in the Security Manager. Any policies created within that HDFS
repository are automatically synchronized to the primary and secondary
NameNodes through the installed Apache Ranger plugin. That way, if the
primary NameNode fails, the secondary namenode takes over and the
Ranger plugin at that NameNode begins to enforce the same policies for
access control.
When creating the repository, you must include the fs.default.name for
the primary NameNode. If the primary NameNode fails during policy
creation, you can then temporarily use the fs.default.name of the
secondary NameNode in the repository details to enable directory
lookup for policy creation.

Thanks & Regards
Amithsha


On Fri, Mar 6, 2015 at 12:00 PM, Hadoop Solutions
<[email protected]> wrote:
> Hi,
>
> I have installed Ranger from Git repo and I have started Ranger console.
>
> I am trying to deploy ranger-hdfs plugin on active NN. But, plugin agent
> unable to contact with Ranger.
>
> Can you please let me know the right procedure for ranger-hdfs plugin
> deployment on HA NN cluster.
>
>
> Regards,
> Shaik

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