# System Requirements for File Storage Optimization

Verify that your environment meets the system requirements for File Storage Optimization.

## Commvault Packages

To use File Storage Optimization, install the following packages on a computer. You will use the computer with the packages to create an Index Server in the File Storage Optimization service catalog. For the best results, install the packages on a dedicated computer.

- Index Store

- Index Gateway

## Operating System

The computer that you install the required packages on must use one of the following operating systems.

### Windows

- Microsoft Windows Server 2022 Editions

- Windows Server 2019

- Microsoft Windows Server 2019 Editions

- Windows Server 2016

- Microsoft Windows Server 2016 x64 Editions

- Windows Server 2012

- Microsoft Windows Server 2012 R2 x64 Editions

- Microsoft Windows Server 2012 x64 Edition

### Linux

- Red Hat Enterprise Linux/CentOS 7.3 and above

- Rocky Linux 8.x or 9.x

## Hardware Specifications for the Index Server

Use the following guidelines to select the appropriate hardware for your Index Server.

Component | Large | Medium | Small
--- | --- | --- | ---
Objects* per node (estimated based on an average file size of 2 MB) | 500 million | 250 million | 125 million
Source data size per node | 1 PB | 500 TB | 250 TB
CPU or vCPU | 16 cores | 8 cores | 4 cores
RAM | 32 GB | 16 GB | 8 GB
Disk space (SSD class disk recommended) | 500 GB | 250 GB | 125 GB

*Files and folders are referenced as objects.

## Access Nodes

In File Storage Optimization, the MediaAgent acts as the access node.

- If you are analyzing data that is not backed up and the operating system of the data source differs from the operating system of the Index Server, then the operating system of the access node must match the operating system of the data source and must have a Commvault package installed. For example, if you want to analyze a UNC share, but the Index Server is on a Linux computer, you must use a Windows computer as the access node.

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