Modifying the network settings

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Access the IBM® Storage Copy Data Management appliance using SSH to make adjustments to the network.

Procedure

To modify the network settings, complete the following steps:

Users can configure the network post deployment should it be required. Follow this procedure to utilize the NetworkManager Text User Interface (nmtui) tool. When connecting to IBM Storage Copy Data Management to use this tool, the root account or an account with root privileges will be required.

  1. SSH from a terminal to the IBM Storage Copy Data Management appliance: 
    ssh root@appliancehostname
  2. Enter password for the root account or the password associated with the username. For more information, see Access and default credentials.
  3. After you have successfully connected, enter the following to launch the tool: 
    nmtui
  4. Edit the network configuration:

    Edit a connection

    1. Select ens160 from the list and select <Edit...>.
    2. Here you can edit the IPv4 configuration. Set the connection Automatic to use DHCP or Manual to use static IP addressing. You can add Addresses, DNS servers, and Search domains. You may also specify the Gateway IP address.
    3. After completing changes, select <OK>.
    4. Click <Back>.

    Set system hostname

    1. Enter a valid hostname in the Hostname field.
    2. Click <OK>.
    3. On the Set hostname to screen select OK to verify the change.
  5. Select <Quit> and then select <OK>.
  6. To update VADP proxy server settings after an IBM Storage Copy Data Management IP or hostname change, complete the following steps:

    Changes made to the IP or hostname of the IBM Storage Copy Data Management appliance will result in a loss of communication with associated VADP proxy servers. Please follow the steps below on each associated VADP proxy server to re-establish communication with the IBM Storage Copy Data Management appliance.

    SSH to each VADP proxy and enter the following commands:

    1. Enter the new IBM Storage Copy Data Management appliance IP or hostname to the ECX_HOST variable in /opt/ECX/bin/escvadp and save: 
      vi /opt/ECX/bin/ecxvadp
ECX_HOST=<new ECX IP or Hostname>
    2. Enter the new IBM Storage Copy Data Management appliance IP or hostname to the ECX_HOST variable in /etc/rd.d/init.d/escvadp and save: 
      vi /etc/rc.d/init.d/ecxvadp
ECX_HOST=<new ECX IP or Hostname>
    3. Restart the ecxvadp service: 
      service ecxvadp restart

      Any associated VADP proxy servers should be now able to communicate with the IBM Storage Copy Data Management appliance using the updated IP address or hostname.