# Setup for AWS scale configuration

Before creating the scaling configuration, review the supported AWS Regions and subscribe to the required access node Amazon Machine Images (AMIs) in AWS Marketplace. You can then follow the setup steps to configure auto-scaling for AWS workloads.

## Supported AWS regions

Auto-scaling is supported for all commercial and GovCloud AWS Regions. Edge locations (such as AWS Outposts, Local Zones, and Wavelength Zones) are not supported.

## Amazon Machine Images (AMIs) used for auto-scaled access nodes

The software creates the auto-scaled access nodes by cloning an Amazon Machine Image (AMI). Commvault provides a version of the following AMIs (CIS hardened) for each platform release. To use these images, subscribe to them on AWS Marketplace. The AMIs are deployed for each AWS Region that has instances that reside in the AWS account.

important

Starting with Commvault Platform Release 11.42.40, access node AMIs have been updated. Subscribe to the latest AMIs before configuring access nodes.

- Commvault Cloud Access Node ARM BYOL: Amazon Linux AWS Graviton (ARM 64-bit)

- Commvault Cloud - Amazon Linux Access Node BYOL: Amazon Linux 2023

- Commvault Cloud - Access Node for Microsoft 365 BYOL: Windows Server 2022 (64-bit x86)

## Setup steps

1. Create the required AWS resources

2. Create AWS access nodes for primary and standby scale manager nodes

3. Create a scaling configuration for AWS

4. Associate the scale profile client to a server group

## Decommissioning of auto-scaled nodes

Auto-scaled nodes are decommissioned by default after 10 minutes of inactivity. A node is considered inactive when no jobs are running on the compute.

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