# Dell EMC PowerEdge Servers ## Update the input parameters Edit the following files under the `control_plane/input_params` directory to provide the required input parameters. 1. Edit the `login_vars.yml` file to enter the following details: a. `provision_password`- password used while provisioning OS on bare metal servers. b. `cobbler_password`- password for Cobbler. c. `idrac_username` and `idrac_password`- iDRAC username and password. **NOTE**: Minimum length of the password must be at least eight characters and a maximum of 30 characters. Do not use these characters while entering a password: -, \\, "", and \' 2. Edit the following variables in the `idrac_vars.yml` file. File name | Variables
[Required/ Optional] | Default, choices | Description ------- | ---------------- | ----------------- | ----------------- idrac_vars.yml | idrac_system_profile
[Required] | | The system profile used for BIOS configuration.
| firmware_update_required
[Required] | | By default, Omnia updates the firmware on the servers. To disable the firmware update, set the variable to "false".
| poweredge_model
[Required if "firmware_update_required" is set to "true"] | | Enter the required PowerEdge server models to update the firmware. For example, enter `R640,R740,C4140` to update firmware on these models of PowerEdge servers. For a complete list of supported PowerEdge servers, see the *Hardware managed by Omnia* section in the Readme file.
| uefi_secure_boot
[Optional] | | Option to enable or disable the secure boot mode.
| system_lockdown
[Optional] | | Option to enable or disable system lockdown.
| two_factor_authentication
[Optional] | | Option to enable or disable the 2FA on iDRAC.
If enabled, update the required variables in the `idrac_tools_vars.yml` file.
**[WARNING]**: For the other iDRAC playbooks to run, you must manually disable 2FA by setting the *Easy 2FA State* to "Disabled" in the iDRAC settings.
| ldap_directory_services
[Optional] | | Option to enable or disable the LDAP directory services on iDRAC.
If enabled, update the required variables in the `idrac_tools_vars.yml` file. ## Deploy Omnia Control Plane Before you provision the Dell EMC PowerEdge Servers, you must complete the deployment of Omnia control plane. Go to Step 8 in the [Steps to install the Omnia Control Plane](../../INSTALL_OMNIA_CONTROL_PLANE.md#steps-to-deploy-the-omnia-control-plane) file to run the `ansible-playbook control_plane.yml` file.