SIRIS, ALTO, and NAS: Datto Linux Agent: Virtualization fails to boot and displays "Starting Dracut Emergency Shell"

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Issue

RHEL/CentOS/Fedora fails to boot virtualization and displays "Starting Dracut Emergency Shell".

Environment

  • Datto Linux Agent
  • RHEL
  • CentOS
  • Fedora

Cause

The dracut binary (external link) is not located on the root volume of the protected system, making it unavailable for HIR (Hardware Independent Restore) on the Datto device.

fig1.PNGFigure 1: Starting Dracut Emergency Shell (click to enlarge)

Resolution

Reconfigure your system so that dracut is available for restores by merging /usr and / into a single volume.

Additional Resources


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