# Deploy Commvault Grid Using VLAN Topology with Management Network

Commvault Grid nodes can be deployed in environments that use tagged virtual LANs (VLANs) together with a dedicated management network.

In this topology:

- The data protection interface is configured with multiple tagged VLANs.
- Each VLAN is assigned its own IP address.
- One VLAN must remain routable and is used for CommServe registration and data protection operations.
- Additional VLANs can be configured as non-routable networks and are used exclusively for data protection traffic.
- The storage pool interface is configured separately and is used exclusively for communication and replication between Commvault Grid nodes.
- A dedicated 1 GbE interface is configured for the management network and is used for management communication, such as connecting to the CommServe server and accessing DNS services.

Use this deployment method when Commvault Grid nodes must connect directly to multiple VLANs while using a separate management network for administrative communication.

Use this procedure to deploy the Commvault Grid software using the Hyperscale ISO 3.2312 or higher version.

Note

- During the setup process, ensure that the following passwords do not contain the special characters `'`, `"`, `/`, `~`, or `\`:

  - Root password
  - Restricted shell user (`cvbackupadmin`) password
  - CommServe connection password

- When deployment is complete:

  - Password-based root access is disabled.
  - Firewall protection is enabled.
  - Ransomware protection is enabled automatically.

## Before You Begin

- If you plan to connect to an existing CommServe server, gather the following information before you begin:

  - The fully qualified domain name (FQDN) of the CommServe server.
  - The credentials of an administrative user.
  - Confirmation that TCP ports 8400 and 443 are open between the nodes and the CommServe server.

- The Managed Service Provider (MSP) administrator or the tenant administrator performing the installation must obtain the authorization code.

  For instructions on activating the authorization code, see User Administration and Security.

- Verify the requirements needed to set up the VLAN Topology with Management Network in your environment.

  Tip

  Keep the network names, VLAN IDs, and IP addresses listed in the Network Requirements section of VLAN Topology with Management Network handy before you start the configuration. This will help you accurately enter the required values during deployment.

- Verify that the required VLANs have been created on the network switches and that VLAN tagging has been configured correctly.

- Verify that at least one VLAN is routable and can communicate with the CommServe server.

- Verify that all additional VLANs required for data protection traffic are available and accessible from all nodes.

- Verify that the management network is routable and can communicate with the required infrastructure services, including DNS and the CommServe server.

- Verify that all nodes can communicate with each other on the storage pool network.

## Procedure

1. Log on to one of the nodes using the system console as described in Setting up a Static IP For IPMI. (Do not use PuTTy / SSH to setup the nodes.)

2. Launch the network configuration interface using the following command:

       # hsxsetup

   The Network Configuration page appears.

3. Configure the routable data protection VLAN interface as follows:

   1. Click Create VLAN.

      The Create VLAN dialog box appears.

   2. From the Interfaces list, select one of the data protection interfaces. (For example, enpsf3 or enpsf5.)

      Tip

      Hover the cursor over the interfaces to display the speed and MAC address of the physical interface.

   3. In the VLAN ID box, enter the VLAN ID associated with the routable VLAN network and then click CREATE.

      The interface appears with the VLAN ID in the Network Configuration page. (The VLAN ID will be different, depending on the VLAN ID in your environment.)

   4. From the Network Type list, select CommServe Registration.

      Note

      This network will perform the same role as the data protection network and will also be used to register the node to the CommServe server.

   5. Add the IP Address and Netmask in the respective boxes.

      Once completed your screen should be similar to the one shown in the following image:

4. Configure additional data protection VLAN interfaces as follows:

   (Repeat this step to add all the VLANs available in your environment.)

   1. Click Create VLAN.

      The Create VLAN dialog box appears.

   2. From the Interfaces list, select one of the data protection interfaces. (For example, enpsf3 or enpsf5.)

      Tip

      Hover the cursor over the interfaces to display the speed and MAC address of the physical interface.

   3. In the VLAN ID box, enter the VLAN ID associated with the VLAN network and then click CREATE.

      The interface appears with the VLAN ID in the Network Configuration page.

   4. From the Network Type list, select Data Protection.

   5. Add the IP Address and Netmask in the respective boxes.

   6. Repeat this step to configure ALL the VLANs available in your environment.

      Once completed your screen should be similar to the one shown in the following image: (The VLAN IDs and the number of VLANs will be different, depending on the VLAN configuration in your environment.)

5. Configure the storage pool interface as follows:

   1. Click Configure interface.

      The Configure interface dialog box appears.

   2. From the Interfaces list, select one of the storage pool interfaces. (For example, enpsf4 or enpsf6.)

      Tip

      Hover the cursor over the interfaces to display the speed and MAC address of the physical interface.

   3. Click CREATE.

      The selected interface appears in the Network Configuration page.

   4. From the Network Type list, select Storage Pool. This interface will be used exclusively for communication and replication between the HyperScale nodes.

   5. Add the IP Address and Netmask in the respective boxes.

      Once completed your screen should be similar to the one shown in the following image:

6. Configure the management interface as follows:

   1. Click Configure interface.

      The Configure interface dialog box appears.

   2. From the Interfaces list, select one of the management interfaces. (For example, enpsf1 or enpsf2.)

      Tip

      Hover the cursor over the interfaces to display the speed and MAC address of the physical interface.

   3. Click CREATE.

      The selected interface appears in the Network Configuration page.

   4. From the Network Type list, select Management. This interface will be used for all management related communication, such as connecting to the CommServe server, accessing the DNS server, etc.

   5. Add the IP Address and Netmask in the respective boxes.

      Once completed your screen should be similar to the one shown in the following image:

7. Configure the DNS server(s) as follows:

   1. In the Default Gateway box, add the IP address associated with the default gateway.

   2. In the DNS Servers box, add the IP address associated with the DNS Server.

      Click the ADD button to add additional DNS servers. A maximum of 3 DNS servers can be added.

      Note

      Multiple DNS servers are recommended.

      Once completed your screen should be similar to the one shown in the following image: (The number of DNS servers may vary depending on the number of servers available in your environment.)

8. Click CONFIGURE.

   The software validates the network. (This may take a few minutes to complete.)

   The Network Configuration Summary page appears.

9. Verify the network configuration and then click CONTINUE.

   Verify the following information.

   - All the VLANs are included.

   - IP address and Netmask for the VLANs are accurate.

   - IP address and Netmask for the storage pool is accurate.

   - Hostname and serial number associated with the node is accurate.

     Note

     If you need to change the Hostname do so now. To change the hostname modify and correct the DNS records, (forward and reverse records) as discussed in Setting Up the DNS.

   - Default gateway and DNS servers are accurately configured.

     Note

     If an error is found, or if the hostname was changed, click CHANGE CONFIGURATION to go back and correct the values.

   The Node configuration dialog box appears.

10. Click one of the following:

    - Click NO, EXIT to configure another node in the storage pool.

      Repeat the steps (steps 1 through 11) from another node.

    - Click YES, CONTINUE if this is the last node in the storage pool.

      The Setup Type page appears.

11. Click New storage pool setup and then click NEXT.

    The Select Nodes page appears.

12. Select the nodes as follows:

    1. Click the down arrow at the top right area of the page to view a list of available nodes.

    2. Click and select the nodes that must be included in the storage pool.

       Note

       You can select up to 12 nodes at a time for the initial deployment. Nodes are listed by the respective node names. If one or more nodes are missing from the list, there is likely a cabling or network configuration issue. To troubleshoot, see Troubleshooting Network Configuration Errors.

       If a remote node is not listed, make sure to complete the network configuration on the remote node, and then click ADD and enter the IP address of the node.

    3. Click NEXT.

       The selected nodes will be listed in the Select Nodes page.

       Once completed your screen should be similar to the one shown in the following image: (The number of nodes will vary depending on the number of nodes you select.)

    4. Click NEXT.

    The Network Configuration Summary page appears.

13. Verify the summary for each node by clicking the tabs associated with each node. Ensure that the nodes are accurately configured and then click NEXT.

    Verify the following information.

    - All nodes have the same number of VLANs.

    - All nodes have identical information for the VLANs.

    - All nodes have identical information for the default gateway and DNS servers.

      Note

      If an error is found, click Exit, login to the node in which the error is found and repeat all the steps to correct the error.

    The Storage Pool Details page appears.

14. Add the following information:

    1. In the Root password and Confirm password boxes, type a secure password for the nodes.

       Tip

       Hover the cursor over the Root password box to view the password requirements.

    2. In the Storage pool name box, type a name for the storage pool associated with the cluster.

       The storage pool name can include numbers and alphabets. Special characters cannot be used in the storage pool name.

       Tip

       Note down the storage pool name. This will be helpful to identify the storage pool in the Command Center.

    3. From the Time zone list, select the time zone in which the nodes are located.

    4. In the Password for Restricted shell user - cvbackupadmin and Confirm cvbckupadmin password boxes, type a secure password for the cvbackupadmin user.

    5. Click NEXT.

       Note

       The setup process configures the network for the nodes. This will take some time to complete.

    The Network Status page appears once the network is configured in the nodes.

15. Check the status to ensure that all the nodes have a green status to indicate that the network settings is validated and accurate. Click NEXT.

    Note

    If an error is found, hover your cursor over the status icon to view more information on the error. If a node is missing, exit the installer and confirm that all the nodes can ping each other on the storage pool network.

    The Deployment Information page appears

16. Click Connect to existing CommServe, and then click NEXT.

    The CommServe Credentials page appears.

17. In the CommServe hostname (FQDN) box, enter a fully qualified host name of the existing CommServe server that you are connecting to.

    Note

    TCP Ports 8400 & 443 must be open from the nodes to the CommServe server for the registration to work.

18. In the Auth-code box, enter the authorization code to connect to the CommServe server.

19. Click NEXT.

    The software validates the information and will start the installation process. This process may take some time (approximately 45 minutes) to complete. You can monitor the progress using the progress bar.

    Caution

    Do not reboot or stop the installation during this process.

    Once the installation is completed, the Installation page appears.

    If the storage pool creation fails during the installation, you can manually create the storage pool from the Command Center. For more information, see Creating a Commvault Grid Storage Pool.

20. Click CLOSE.

## What to Do Next

Complete the additional configurations that may be required to customize your environment. For more information, see What To Do Next.

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