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3.4.2. Attach Red Hat Enterprise Linux Host

In contrast to the hypervisor host, the Red Hat Enterprise Linux host you installed in Section 2.2.2, “Install Red Hat Enterprise Linux Host” is not automatically detected. It has to be manually attached to the Red Hat Enterprise Virtualization platform before it can be used.
To attach a Red Hat Enterprise Linux host
  1. On the Tree pane, click Expand All and select Hosts under the Default cluster. On the Hosts tab, click New.
  2. The New Host dialog displays.
    Attach Red Hat Enterprise Linux Host
    Figure 3.10. Attach Red Hat Enterprise Linux Host

    Enter the details in the following fields:
    • Data Center: the data center to which the host belongs. Select the Default data center.
    • Host Cluster: the cluster to which the host belongs. Select the Default cluster.
    • Name: a descriptive name for the host.
    • Address: the IP address, or resolvable hostname of the host, which was provided during installation.
    • Root Password: the password of the designated host; used during installation of the host.
    • Configure iptables rules: This checkbox allows you to override the firewall settings on the host with the default rules for Red Hat Enterprise Virtualization.
  3. If you wish to configure this host for Out of Band (OOB) power management, select the Power Management tab. Tick the Enable Power Management checkbox and provide the required information in the following fields:
    • Address: The address of the host.
    • User Name: A valid user name for the OOB management.
    • Password: A valid, robust password for the OOB management.
    • Type: The type of OOB management device. Select the appropriate device from the drop down list.
      alom Sun Advanced Lights Out Manager
      apc American Power Conversion Master MasterSwitch network power switch
      bladecenter IBM Bladecentre Remote Supervisor Adapter
      drac5 Dell Remote Access Controller for Dell computers
      eps ePowerSwitch 8M+ network power switch
      ilo HP Integrated Lights Out standard
      ilo3 HP Integrated Lights Out 3 standard
      ipmilan Intelligent Platform Management Interface
      rsa IBM Remote Supervisor Adaptor
      rsb Fujitsu-Siemens RSB management interface
      wti Western Telematic Inc Network PowerSwitch
      cisco_ucs Cisco Unified Computing System Integrated Management Controller
    • Options: Extra command line options for the fence agent. Detailed documentation of the options available is provided in the man page for each fence agent.
    Click the Test button to test the operation of the OOB management solution.
    If you do not wish to configure power management, leave the Enable Power Management checkbox unmarked.
  4. Click OK. If you have not configured power management, a pop-up window prompts you to confirm if you wish to proceed without power management. Select OK to continue.
  5. The new host displays in the list of hosts with a status of Installing. Once installation is complete, the status will update to Reboot and then Awaiting. When the host is ready for use, its status changes to Up.
You have now successfully configured your hosts to run virtual machines. The next step is to prepare data storage domains to house virtual machine disk images.