Detailed information about RAID management tools and resources is available at the following Lenovo Press 
website:
https://lenovopress.com/lp0579-lenovo-raid-management-tools-and-resources
Deploy the operating system
Several options are available to deploy an operating system on the server.
Available operating systems
•  Microsoft Windows Server
•  VMware ESXi
Complete list of available operating systems: 
https://lenovopress.com/osig.
Tool-based deployment
•  Multi-server
Available tools:  
–  Lenovo XClarity Essentials OneCLI
http://sysmgt.lenovofiles.com/help/topic/toolsctr_cli_lenovo/onecli_r_uxspi_proxy_tool.html
•  Single-server
Available tools:  
–  Lenovo XClarity Provisioning Manager
“OS Installation” section in the LXPM documentation compatible with your server at 
https:// 
sysmgt.lenovofiles.com/help/topic/lxpm_frontend/lxpm_product_page.html
–  Lenovo XClarity Essentials OneCLI
http://sysmgt.lenovofiles.com/help/topic/toolsctr_cli_lenovo/onecli_r_uxspi_proxy_tool.html
Manual deployment
If you cannot access the above tools, follow the instructions below, download the corresponding OS 
Installation Guide, and deploy the operating system manually by referring to the guide. 
1.  Go to 
https://datacentersupport.lenovo.com/solutions/server-os.
2.  Select an operating system from the navigation pane and click Resources.
3.  Locate the “OS Install Guides” area and click the installation instructions. Then, follow the instructions to 
complete the operation system deployment task.
Back up the server configuration
After setting up the server or making changes to the configuration, it is a good practice to make a complete 
backup of the server configuration.
Make sure that you create backups for the following server components: 
•  Management processor
You can back up the management processor configuration through the Lenovo XClarity Controller 
interface. For details about backing up the management processor configuration, see:
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ThinkSystem SR645 V3 User Guide