# System Requirements for Google Cloud SQL for PostgreSQL and AlloyDB

To back up and restore PostgreSQL data on a Google application, verify that your environment has the required software and a firewall.

## Software Requirements

- Packages required on access nodes:

  - Virtual Server Agent

  - PostgreSQL Agent

- Access nodes that you run backup and restore operations on must have one of the following operating systems:

  - CentOS 9.x, 8.x

  - Oracle Linux Enterprise 9.x, 8.x

  - Red Hat Enterprise Linux 9.x, 8.x

  - Rocky Linux 9.x, 8.x

  - Windows 2022, 2019, 2016

  Note

  - If you have network configuration enabled on the access nodes, before you deploy a Windows or a Linux proxy, configure a firewall on the cloud proxy and on-premises. For more information, see Configuring a Firewall to Install the Virtual Server Agent on a Cloud VM or Instance.

  - Containers can serve as access nodes as long as the PostgreSQL server is accessible from the container environment. For more information about setting up an access node container, see Installing Commvault Packages in Kubernetes Using Helm.

## Supported PostgreSQL Versions

From PostgreSQL version 12.x - 18.x.

Note

- The PostgreSQL version 15.x support is added with Commvault Maintenance Release 11.32.16 (or a more recent version).

- The PostgreSQL version 16.x support is added with Commvault Maintenance Release 11.32.55 (or a more recent version).

- The PostgreSQL version 17.x support is added with Commvault Maintenance Release 11.36.32 (or a more recent version).

- The PostgreSQL version 18.x support is added with Commvault Maintenance Release 11.42.41 (or a more recent version).

## Supported AlloyDB Versions

From AlloyDB Version 14.x - 18.x.

## SSL and TLS Support

The supported TLS versions to create Google Cloud SSL encrypted PostgreSQL instances are TLS 1.0, 1.1 and 1.2.

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