# Installing Hadoop Package on Cluster Nodes

You can install the Hadoop package on your cluster nodes.

Note

For Hadoop, on nodes that already have an existing Commvault instance, push installation is not supported; for interactive installation see required configuration.

## Before You Begin

- You need the following information:

  - Host name

  - User name and password

  - OS type

- Make sure that you have a valid file and object subscription.

## Procedure

1. From the Command Center navigation pane, go to Explore > Service catalog.

2. On the Welcome page, in the Big Data tile, click Configure.

3. On the Configure big data app, select Hadoop, and then click Next.

4. On the Configure Hadoop cluster page, you can install the Hadoop package on your cluster nodes using the following two methods:

   Interactive Installation

   1. Select Interactive Installation.

   2. If you want to use select a Backup gateway, do the following:

      1. Move the Select backup gateway toggle key to right.

      2. From the Backup gateway list, either select an existing backup gateway or add a new one. To add a new backup gateway, do the following:

         1. Click +.

         2. On the Add a new backup gateway dialog box, follow the instruction to add the backup gateway.

   3. Follow the onscreen instructions to download and install Hadoop package.

   4. From the Hadoop access node list, select the newly installed access node.

   5. Click Next.

   Push Installation

   1. Select Push Installation.

   2. Click Add to add the Hadoop servers.

   3. On the Perform remote install on node dialog box, inter the following details:

      1. In the Host name box, enter the host name of the Hadoop node.

      2. From the Software cache list, select a software cache.

      3. If you do not use the Use saved credentials toggle key, enter the details in the following boxes: User name, Password and Confirm password.

      4. If you move the Use saved credentials toggle to right, either select a saved credential from Credential list or add a new credential. To add a new credential, do the following:

         1. Click +.

            The Add Credential dialog box appears.

         2. In the Account type list, select an account.

         3. In the Credential vault list, select the credential vault.

         4. In the credential name box, enter the name of the credential.

         5. In the User account box, enter the user account.

         6. If you move the Use SSH key toggle key to right, select a SSH key path.

         7. In the Password box, enter the password.

         8. In the Description box, enter a description of the credential.

         9. Click Save.

      5. In the SSH port number box, enter the port number.

      6. If you move the Use SSH key toggle key to right, select a SSH key path.

      7. In the Installation location box, enter the location for the install.

      8. Click Install.

   4. From the Hadoop access nodes list, select the newly installed access node.

   5. Click Next.

5. On the Plan page, select a plan, and then click Next.

6. On Add Hadoop cluster page, enter the following details:

   1. In the Name box, enter the name of Hadoop cluster.

   2. In HDFS user, enter the Hadoop user name to use for backups.

7. Click Next.

8. On the Backup content page, add the Backup content and Exclusions.

9. Click Next.

10. On the Summary page, a validation message is displayed indicating the successful configuration of Hadoop.

11. Click Finish.

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