I figured it out by creating the directories at the beginning: hdfs dfs -mkdir hdfs://Master:9000/my
hdfs dfs -mkdir hdfs://Slave1:9000/your Thanks. On Mon, Jun 6, 2016 at 4:44 PM, Ravi Prakash <ravihad...@gmail.com> wrote: > Perhaps use the "viewfs://" protocol prepended to your path? > > > On Sun, Jun 5, 2016 at 1:10 PM, Kun Ren <ren.h...@gmail.com> wrote: > >> Hi Genius, >> >> I just configured HDFS Federation, and try to use it(2 namenodes, one is >> for /my, another is for /your). When I run the command: >> hdfs dfs -ls /, >> >> I can get: >> -r-xr-xr-x - hadoop hadoop 0 2016-06-05 20:05 /my >> -r-xr-xr-x - hadoop hadoop 0 2016-06-05 20:05 /your >> >> This makes sense. However, when I run the command to create a new >> directory: >> hdfs dfs -mkdir /my/test >> >> I got error: >> mkdir: `/my/test': No such file or directory. >> >> Even when I run "hdfs dfs -ls /my", still get the no such file or >> directory error. >> >> Does someone tell me how to use the command line to do the file >> operations with HDFS Federation? Thanks a lot for your help. >> >> I attached My core-site.xml and hdfs-site.xml: >> >> Core-site.xml: >> >> <configuration> >> >> <property> >> >> <name>fs.defaultFS</name> >> >> <value>viewfs:///</value> >> >> </property> >> >> <property> >> >> <name>fs.viewfs.mounttable.default.link./my</name> >> >> <value>hdfs://Master:9000/my</value> >> >> </property> >> >> <property> >> >> <name>fs.viewfs.mounttable.default.link./your</name> >> >> <value>hdfs://Slave1:9000/your</value> >> >> </property> >> >> <property> >> >> <name>hadoop.tmp.dir</name> >> >> <value>file:/home/hadoop/hadoop_build/tmp</value> >> >> </property> >> </configuration> >> >> >> >> Hdfs-site.xml: >> >> <configuration> >> >> <property> >> >> <name>dfs.replication</name> >> >> <value>1</value> >> >> </property> >> >> <property> >> >> <name>dfs.namenode.name.dir</name> >> >> <value>file:/home/hadoop/hadoop_build/tmp/dfs/name</value> >> >> </property> >> >> <property> >> >> <name>dfs.datanode.data.dir</name> >> >> <value>file:/home/hadoop/hadoop_build/tmp/dfs/data</value> >> >> </property> >> >> <property> >> >> <name>dfs.federation.nameservices</name> >> >> <value>mycluster,yourcluster</value> >> >> </property> >> >> <property> >> >> <name>dfs.namenode.rpc-address.mycluster</name> >> >> <value>Master:9000</value> >> >> </property> >> >> <property> >> >> <name>dfs.namenode.rpc-address.yourcluster</name> >> >> <value>Slave1:9000</value> >> >> </property> >> >> <property> >> >> <name>dfs.namenode.http-address.mycluster</name> >> >> <value>Master:50070</value> >> >> </property> >> >> <property> >> >> <name>dfs.namenode.http-address.yourcluster</name> >> >> <value>Slave1:50070</value> >> >> </property> >> >> </configuration> >> > >
