I meant did you check that user admin is part of the hdfs group on the namenode.
Olivier From: Pratik Gadiya Reply-To: "[email protected]<mailto:[email protected]>" Date: Friday, 8 May 2015 16:57 To: "[email protected]<mailto:[email protected]>" Subject: RE: Access on HDFS Confirmed, that I have checked it on Namenode. In addition to that, I have checked on all of the nodes in observed that superusergroup is set as “hdfs” in hdfs-site.xml for all nodes. Thanks, Pratik Gadiya From: Olivier Renault [mailto:[email protected]] Sent: Friday, May 08, 2015 8:59 PM To: [email protected]<mailto:[email protected]> Subject: Re: Access on HDFS Could you confirm that you are doing it on the namenode ? ( I tend to do it on all nodes ) Thanks, Olivier From: Pratik Gadiya Reply-To: "[email protected]<mailto:[email protected]>" Date: Friday, 8 May 2015 16:14 To: "[email protected]<mailto:[email protected]>" Subject: RE: Access on HDFS Checked it’s hdfs <property> <name>dfs.permissions.superusergroup</name> <value>hdfs</value> </property> Thanks, Pratik From: Olivier Renault [mailto:[email protected]] Sent: Friday, May 08, 2015 8:39 PM To: [email protected]<mailto:[email protected]> Subject: Re: Access on HDFS You need to double check which group is setup in hdfs-site.xml. The parameter is: dfs.permissions.superusergroup Thanks Olivier From: Pratik Gadiya Reply-To: "[email protected]<mailto:[email protected]>" Date: Friday, 8 May 2015 15:46 To: "[email protected]<mailto:[email protected]>" 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 DISCLAIMER ========== This e-mail may contain privileged and confidential information which is the property of Persistent Systems Ltd. It is intended only for the use of the individual or entity to which it is addressed. If you are not the intended recipient, you are not authorized to read, retain, copy, print, distribute or use this message. If you have received this communication in error, please notify the sender and delete all copies of this message. Persistent Systems Ltd. does not accept any liability for virus infected mails. DISCLAIMER ========== This e-mail may contain privileged and confidential information which is the property of Persistent Systems Ltd. It is intended only for the use of the individual or entity to which it is addressed. If you are not the intended recipient, you are not authorized to read, retain, copy, print, distribute or use this message. If you have received this communication in error, please notify the sender and delete all copies of this message. Persistent Systems Ltd. does not accept any liability for virus infected mails. DISCLAIMER ========== This e-mail may contain privileged and confidential information which is the property of Persistent Systems Ltd. It is intended only for the use of the individual or entity to which it is addressed. If you are not the intended recipient, you are not authorized to read, retain, copy, print, distribute or use this message. If you have received this communication in error, please notify the sender and delete all copies of this message. Persistent Systems Ltd. does not accept any liability for virus infected mails.
