Dell PowerEdge C5220 Relatório de teste - Página 8
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APPENDIX B – HOW WE TESTED
We installed and configured CentOS on an auxiliary server, which provided both basic services and Hadoop
management for the C5220 nodes in the Hadoop cluster. We installed and configured CentOS on the C5220 nodes, using
the C5000's baseboard management controller (BMC) virtual console feature. We installed the Cloudera Hadoop
Manager on the auxiliary manager server and used it to install Hadoop on the C5220 nodes.
Configuring the auxiliary server
Below, we review the steps necessary to configure the management server, which runs the necessary auxiliary
services and the Cloudera Manager.
1. Install the base-installation of CentOS 6.2 x86_64 following the steps in the section CentOS base installation.
2. Log onto the server as root.
3. Configure one network interface, e.g. eth0, to access a network connected to the Internet with, for example, IP
address 10.1.1.10.
4. Configure one network interface, e.g., eth1, to access the network of C5220 nodes with, for example, IP address
192.168.1.10 and CIDR prefix of 24.
5. Install CentOS updates:
yum update
6. Reboot the server:
shutdown –r now
7. After the system reboots, log onto the server as root.
8. Install Squid as a HTTP proxy for the C5220 nodes:
yum install squid
9. Modify /etc/squid/squid.conf configuration to add these settings:
acl ftp proto FTP
http_access allow ftp
## cluster network
acl intranet src 192.168.1.0/21
http_access allow intranet
10. Install dnsmasq to supply hostname resolution for the nodes:
yum install dnsmasq
11. Edit the configuration /etc/dnsmasq.conf and modify these lines as shown:
interface=eth1
no-dhcp-interface=eth1
12. Add the IP addresses and hostnames of the auxiliary server and C5220 nodes to /etc/hosts on the auxiliary
server. For example:
192.168.1.10
192.168.1.31
192.168.1.32
192.168.1.33
192.168.1.34
192.168.1.35
192.168.1.36
192.168.1.37
192.168.1.38
13. Start the DNS server:
chkconfig dnsmasq on
Dell PowerEdge C5220: Hadoop MapReduce Performance
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