RAID setup Best practices on Dell PowerEdge Server using OpenManage Server Administrator

Summary: Dell PowerEdge Server RAID setup/configuration and best practice to deploy your Dell PowerEdge Server Dell PowerEdge

Article Content


The following article provides information about RAID best practice and additional RAID setup tricks and tips to get your Dell PowerEdge Setup

Table of Contents :

  1. RAID best practice Intro
  2. Deploy Operating System
  3. Install Open Manage Server Administrator (OMSA)
  4. Setup RAID using OpenManage Server Administrator OMSA
  5. Formating the new Virtual Disk
  6. Additional Resources



When Deploying a Dell PowerEdge Server there are several different methods to install the operating system, as well as the RAID setup/configuration this article will help with most commonly used best practice method
By using the LifeCycle controller to configure the RAID then deploy the operating system. Once installed utilising Dell OpenManage server administrator (OMSA) to configure additional Virtual Disks.
Before creating a virtual disk, you should be familiar with the information in Considerations Before Creating Virtual Disks. You may also want to review Choosing RAID Levels And Concatenation.

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2.Deploy Operating System

When a new server arrives we recommend using the Life Cycle Controller (F10) > Deploy Operating system >
Using the configure RAID option this will allow you to set up the Operating system Virtual Disk during the deployment.
Once the operating system is installed we then recommend installing Dell Open Manage Server Administrator(OMSA) to then configure additional Virtual Disks/Hot Spares.

More info - How to install the operating system on a Dell PowerEdge Server (OS deployment) - SLN129177

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3.Install Open Manage Server Administrator(OMSA)


Dell OpenManage Server Administrator (OMSA) provides a comprehensive, one-to-one systems management solution in two ways: from an integrated, web browser-based graphical user interface (GUI) and from a command-line interface (CLI) through the operating system. Server Administrator enables system administrators to manage systems locally and remotely on a network. It enables system administrators to focus on managing their entire network by providing comprehensive one-to-one systems management. In the context of Server Administrator, a system refers to a stand-alone system, a system with attached network storage units in a separate chassis, or a modular system consisting of one or more

OpenManage Server Administrator - Installation (Windows) - SLN170723 
How to install OpenManage Server Administrator (OMSA) on VMware - HOW10613 
How to Install OpenManage Server Administrator (OMSA) on Redhat - SLN266151 

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4.Setup RAID using OpenManage Server Administrator OMSA


4.1 - Open OMSA

Once OMSA is installed on the host’s operating system navigate your browser to HTTP://[IP or hostname of server]:1311 to begin using OMSA
Or open the using the OMSA Icon on the Windows desktop.


HOW17101_en_US__2icon Note: You may get a browser certificate warning, Click go on to the webpage (not recommended) 

4.2 - Login to the OpenManage Server Administrator

Login to the OMSA using the local administrator account credentials 


4.3 - Navigate to Virtual Disk

Expand Storage > Expand your Raid controller. (Raid Controller models may vary depending on what your system has installed)
Click Virtual Disk


4.4 - Create Virtual Disk

Click Go to The Create Virtual Disk Wizard

Using Virtual Disk Wizard Select Either Express Wizard or Advanced Wizard

4.5 - Setup Raid

Select the desired Raid Level from the drop-down (The Dropdown will vary depending on the available drives to the system)


Select the disks to be used in the Virtual Disk (VD) excluding any hot Spare's


HOW17101_en_US__2icon Note:
*Disks must be same technology (SSD/SAS/SATA)
*Disks of different sizes can be added to the array by each disk is limited to the size of the smallest disk.
*We recommended using disks of equal size.
*We also recommend using the correct Raid Level/Read & Write Policy depending on your requirements as performance can differ depending on these settings more info can be found Comparing RAID Level And Concatenation Performance


4.6 - Configure Raid

Configure the desired Raid providing the Name/Size
Also, assign now the Dedicated hot spare if required.


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5.Format New Virtual Disk

You will need to format the Virtual Disk in order to be used by the host Operating system

Windows > Start Menu > Search Disk management > locate your and format your new virtual Disk.
VMware > Host > Manage > Storage > Add.


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6.Additional Resources

RAID Configuration with OpenManage Server Administrator

Dell EMC Server Administrator Storage Management 9.3.1 User’s Guide
Supported Features
SAS RAID Controllers

Supported RAID Controllers
Organizing Data Storage For Availability And Performance
Choosing RAID Levels And Concatenation
Comparing RAID Level And Concatenation Performance



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Article Properties

Affected Product


Last Published Date

21 Feb 2021



Article Type

How To

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