check HADOOP_DATANODE_OPTS in hadoop-env.sh . It should have something like
HADOOP_DATANODE_OPTS="-Xmx1024m -Dsecurity.audit.logger=ERROR,DRFAS " >________________________________ > From: Tony Dean <tony.d...@sas.com> >To: "core-u...@hadoop.apache.org" <core-u...@hadoop.apache.org> >Sent: Sunday, June 3, 2012 6:01 PM >Subject: datanode security (v 1.0.3) > > > >Why is there no documentation on how to run a datanode in secure mode? Or >have I just missed it. > >I’ve searched and found bits and pieces, but shouldn’t this information be in >the security documentation? > >Well, my current state is this: > > 1. I understand that the datanode must use ports < 1k so it must run the >threads doing this work as root. > 2. I set an environment variable: HADOOP_SECURE_DN_USER so that the >datanode can swith to this user for normal work. > 3. This keeps me from getting the “Cannot start secure cluster without >privileged resources” message. > 4. But, now I’m getting > >03/06/2012 18:20:08 3809 jsvc.amd64 error: Invalid option -server >03/06/2012 18:20:08 3809 jsvc.amd64 error: Cannot parse command line arguments > >Does anyone know how to get this to work? I’m new to Hadoop/HBase, but the >security documentation or lack thereof is a big turnoff thus far. > >I really appreciate any guidance here. > >Thanks! > > >Tony Dean >SAS Institute Inc. >Senior Software Developer >919-531-6704 > > > > > >
