The NDB Cluster Auto-Installer (No longer supported) • Host name : A comma-separated list of one or more host names, IP addresses, or both. These must be accessible from the host where the Auto-Installer is running. • Host internal IP (VPN) : If you are setting up the cluster to run on a VPN or other internal network, enter the IP address or addresses used for contact by cluster nodes on other hosts. • Key-based auth : If checked, enables key-based authentication. You can enter any additional needed information in the  User ,  Passphrase , and  Key file  fields. • Ordinary login : If accessing this host using a password-based login, enter the appropriate information in the  User  and  Password  fields. • Open FW ports : Selecting this check box allows the installer try opening any ports needed by cluster processes in this host’s firewall. • Configure installation : Checking this allows the Auto-Install to attempt to set up the NDB Cluster software on this host. To save the new host and its properties, click  Add . If you wish to cancel without saving any changes, click Cancel  instead. Similarly, you can remove one or more hosts using the button labelled  Remove selected host(s) .  When you remove a host, any process which was configured for that host is also removed . Remove selected host(s)  acts immediately. There is no confirmation dialog. If you remove a host in error, you must re-enter its name and properties manually using Add host . Warning If the SSH user credentials on the  Define Cluster  screen are changed, the Auto-Installer attempts to refresh the resource information from any hosts for which information is missing. You can edit the host’s platform name, hardware resource information, installation directory, and data directory by clicking the corresponding cell in the grid, by selecting one or more hosts and clicking the button labelled  Edit selected host(s) . This causes a dialog box to appear, in which these fields can be edited, as shown here: 4019