# Oracle Cloud Infrastructure: System Requirements

The following requirements apply when using the Virtual Server Agent with Oracle Cloud Infrastructure.

## Hypervisor

Add a separate hypervisor definition for each Oracle Cloud Infrastructure region.

Note

Oracle Cloud Infrastructure allows the creation of sub-compartments up to six levels deep. Beginning in Feature Release 11.26, you can back up and restore instances that are under those sub-compartments (as well as under the root compartment) for OCI regions.

## Access node requirements

The access node must be an instance that runs in Oracle Cloud Infrastructure.

Deploy one access node for each availability domain.

The following Windows operating systems are supported for access nodes:

- Windows Server 2025

- Windows Server 2022

- Windows Server 2019

- Windows Server 2016

For Linux access node support, deploy a Linux access node on an instance in Oracle Cloud Infrastructure.

The Linux instance must have the MediaAgent and Virtual Server Agent packages installed.

- The `iscsiadm` (`iscsi-initiator-utils`) package must be installed on the access node.

Note

To back up an Oracle Cloud Infrastructure instance that has storage pool disks, you must use a Linux access node.

### Linux Access Node Configuration

To restore files from a Linux instance, deploy a Linux access node. The Linux access node instance must meet the following requirements:

- Oracle Linux 8.4

- Oracle Linux 8.5

- Virtual Server Agent and MediaAgent packages installed

For more information, see the following pages:

- Automatic Configuration of a MediaAgent as a Linux Access Node

- Converting a Linux MediaAgent to an Access Node

### Access node installation requirements

On Windows:

- Prepare the Installation on Windows Computers

  Review general guidelines to prepare for the installation, which include configurations that your computer might need before the installation.

- Preinstallation Checklist for the Virtual Server Agent

  Review agent specific guidelines to prepare for the installation, such as gathering the information that you must provide during the installation.

- Installation Methods

  Select the installation method that is most appropriate for your environment.

On UNIX:

- Prepare the Installation on UNIX, Linux, and Macintosh Computers

  Review general guidelines to prepare for the installation, which include configurations that your computer might need before the installation.

- Preinstallation Checklist for the Virtual Server Agent on Linux

  Review agent specific guidelines to prepare for the installation, such as gathering the information that you must provide during the installation.

- Installation Methods

  Select the installation method that is most appropriate for your environment.

## Guest Operating System Support

The following guest instance operating systems are supported for VM conversion:

- Oracle Linux 7

- Oracle Linux 8

- RHEL 7

- Windows Server 2016

- Windows Server 2012 R2

- Windows Server 2008 R2

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