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From Olivier Renault <orena...@hortonworks.com>
Subject Re: Access on HDFS
Date Fri, 08 May 2015 15:08:53 GMT
You need to double check which group is setup in hdfs-site.xml. The parameter is: dfs.permissions.superusergroup


From: Pratik Gadiya
Reply-To: "user@hadoop.apache.org<mailto:user@hadoop.apache.org>"
Date: Friday, 8 May 2015 15:46
To: "user@hadoop.apache.org<mailto:user@hadoop.apache.org>"
Subject: Access on HDFS

Hi All,

I want to add a user who can create/remove and perform all the operations on hdfs.

Here is what I tried:

1.       Create user: adduser admin

2.       /usr/sbin/usermod -a -G hdfs admin

And when I try to create a directory on hdfs under “/” it raises error as follows,
[root@vmkdev0021 ~]# id admin
uid=500(admin) gid=500(admin) groups=500(admin),498(hdfs)

[root@vmkdev0021 ~]# su admin
[admin@vmkdev0021 root]$ hadoop  fs -mkdir /input
mkdir: Permission denied: user=admin, access=WRITE, inode="/":hdfs:hdfs:drwxr-xr-x

Please let me know how can I overcome this, this is reallly bugging me.

With Regards,
Pratik Gadiya

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