Automating PXE Recovery Boot and Eliminating Manual User Interaction

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Article ID: CTX696764

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Description

During PXE recovery, users must:

  1. Manually select"Start Recovery eLux" from the GRUB boot menu.
  2. In some environments, manually select the target disk before recovery begins.

These interactions can slow down large-scale recovery operations and increase the risk of user error.

Resolution

Resolution

Automate "Start Recovery eLux" Selection

On the Scout server, edit the following GRUB configuration file:

C:\Users\Public\Documents\Unicon\Scout\Recovery\grub\grub.cfg
 

Modify or add the following parameters:

set timeout=0
set default=0

Explanation

  • set timeout=0 disables the boot menu timeout and prevents waiting for user input.
  • set default=0 automatically selects the first menu entry.

With these settings, the PXE boot menu is skipped and the first menu entry (typically"Start Recovery eLux") starts automatically.

Suppress Disk Selection Prompt

eLux 7

No additional configuration is required.

The disk selection dialog is already disabled by default.

eLux RP6

To suppress the disk selection prompt, add the following parameter to the kernel line of the recovery menu entry:

AskUser=false

This prevents the recovery process from prompting the user to select a target disk.

Verification

After applying the changes:

  1. Boot a device via PXE.
  2. Confirm that the GRUB menu is skipped.
  3. Verify that Start Recovery eLux launches automatically.
  4. For eLux RP6, confirm that no disk selection dialog is displayed.
  5. Validate that the recovery process proceeds without user interaction.

Important Notes

Warning

Scout Server updates may overwrite the customized grub.cfg file.

It is recommended to:

  • Keep a backup copy of your customized configuration.
  • Store the backup in a separate location (for example, C:\PXE).
  • Reapply the customized configuration after Scout upgrades or updates if necessary.

Issue/Introduction

By modifying the PXE boot configuration on the Scout server, administrators can automate the eLux recovery process and eliminate the manual selection of"Start Recovery eLux" during PXE boot. Additional configuration can also suppress the disk selection prompt on supported eLux versions.

 

Additional Information

For related DHCP and PXE device management configuration details, see the official documentation:

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