PRIMECLUSTER Clustering Base4.5A10 Installation Guide

3.1.1 Preparations

1. Time required

   It takes approximately 15 minutes to install this software.

2. Kernel header

   Before installing this software, it is necessary to install the kernel header that supports OS of the system. Check if the kernel header is installed on the system by executing the following command:

   # rpm -qi kernel-devel <Return>

   If the command encounters an error, or the kernel source version different than the system OS, install the kernel source according to the OS document.

3. System environment check

   To install Web-Based Admin View, it is necessary to modify the IP address of the admin LAN for Web-Based Admin View and its corresponding host name(node name output in uname -n), and the host name(node name output in uname -n) corresponding to "127.0.0.1"(for IPv4) and "::1"(for IPv6).

   1. Login to the system and become the root user.

      $ su <Return>
      Password:password <Return>

   2. Delete the host name allocated to "127.0.0.1"(for IPv4) and "::1"(for IPv6) using vi(1) and allocate it to the IP address of the admin LAN.

      Before change)

      # cat /etc/hosts <Return>
      127.0.0.1   host-name localhost localhost.localdomain localhost4 localhost4.localdomain4
      ::1         host-name localhost localhost.localdomain localhost6 localhost6.localdomain6

      After change)

      # cat /etc/hosts <Return>
      127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
      ::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
      IP-Address  host-name

   3. Check the auto startup of the NetworkManager service.

      PRIMECLUSTER does not support the NetworkManager service.
      Check the auto startup of the NetworkManager service setting.

      [Red Hat Enterprise Linux 6]

      Check that the setting of auto startup of the NetworkManager service  is "off" using the following command.

      # /sbin/chkconfig --list NetworkManager <Return>
      NetworkManager  0:off   1:off   2:off   3:off   4:off   5:off   6:off

      If there is runlevel that is in "on", disable the NetworkManager service using the following command.

      # /sbin/service NetworkManager stop <Return>
      # /sbin/chkconfig NetworkManager off <Return>

      [Red Hat Enterprise Linux 7]

      Check that the setting of auto startup of the NetworkManager service  is "disabled" using the following command.

      # /usr/bin/systemctl is-enabled NetworkManager.service <Return>
      disabled

      If the setting is "enabled", disable the NetworkManager service using the following command.

      # /usr/bin/systemctl stop NetworkManager.service <Return>
      # /usr/bin/systemctl disable NetworkManager.service <Return>