To add a new host node to the CDH5 cluster

To add a new host node to the CDH5 cluster

Step one: First you have to install the JDK in the new host environment, turn off the firewall, modify SELinux, NTP clock synchronization with the host, modify the hosts, configure SSH password-free login with the host, ensure that Perl and Python are installed.

Step two: Upload the Cloudera-manager file to the/OPT directory and modify the agent configuration file:

Vi/opt/cm-5.0.0/etc/cloudera-scm-agent/config.ini

server_host = Master

Step three: Create the cloudera-scm user on the broker node

useradd--system--home=/opt/cm-5.0.0/run/cloudera-scm-server/--no-create-home--shell=/bin/false-- Comment "Cloudera SCM User" CLOUDERA-SCM

Step four: Start the agent service,/opt/cm-5.0.0/etc/init.d/cloudera-scm-agent start

Step five: In the host node cm management page, for host Add, service Add.

To add a new host node to the CDH5 cluster