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This chapter contains the following sections:
You can configure Cisco UCS Director Express for Big Data Baremetal Agent to have its clock synchronized to an external NTP server. This ensures that the correct calendar time is maintained on the Baremetal Agent.
Ensure that you synchronize Cisco UCS Director Express for Big Data and Cisco UCS Director Express for Big Data Baremetal Agent before you deploy any Hadoop cluster. It is recommended that you also synchronize Cisco UCS Manager and Cisco UCS Director Express for Big Data on the configured NTP server.
Locate the ntp_server_config.sh here: /opt/cnsaroot/bigdata_templates/ntp_server_config.sh, add execute permissions (chmod+x ntp_server_config.sh), and execute ( ./ntp_server_config.sh <ntp_server_ip or hostname>) on the Cisco UCS Director Express for Big Data Baremetal Agent Baremetal Agent server.
Cisco UCS Director Express for Big Data provides an option to add user defined installation packages (RPMs) post Hadoop distribution specific to a version. In Cisco UCS Director Express for Big Data, you cannot install additional Hadoop related software other than what is required for the selected type of Hadoop distribution when creating an instant Hadoop cluster or customizing a Hadoop cluster.
To install user defined Hadoop related software, you can mention a list of RPMs in the HadoopDistributionRPM.txt file. You can locate the HadoopDistributionRPM.txt here: /opt/cnsaroot/bigdata_templates/common_templates in the Cisco UCS Director Express for Big Data Baremetal Agent server.
This procedure is optional.
Note | For a multi-home DHCP configuration, use this procedure to configure the first subnet for the DHCP server. For the remaining subnets, you must manually edit the DHCP configuration file (/etc/dhcpd.conf). |
To provide required DHCP services, ensure that at least one DHCP server is located in the same PXE VLAN as Baremetal Agent and configure that DHCP server with an appropriate IP address range. The DHCP server, together with the TFTP server, are used to communicate with a PXE server.
Set up PXE boot requests.
For more information on uploading supported Red Hat Enterprise Linux versions, see the Uploading Required OS and Hadoop Software to Cisco UCS Director Baremetal Agent section in Chapter 12, Hadoop Cluster Configuration Settings in Cisco UCS Director Express for Big Data Management Guide, Release 2.0
Download the following file:
rhel-server-6.6-x86_64-dvd.iso from Red Hat Enterprise Linux