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D-PEMX-DY-23 · Question #81

In addition to one compute sled, one management module, and one IOM, what is the minimum required HW configuration on the PowerEdge MX7000 to POST?

The correct answer is C. 2 power supply units. Two power supply units are required because the PowerEdge MX7000 chassis enforces a minimum power threshold at boot - a single PSU cannot deliver enough power to satisfy the chassis controller's requirements for POST, even with just one compute sled installed. Options A and B…

PowerEdge MX Installation and Configuration

Question

In addition to one compute sled, one management module, and one IOM, what is the minimum required HW configuration on the PowerEdge MX7000 to POST?

Options

  • A1 power supply unit
  • B1 power supply unit
  • C2 power supply units
  • D3 power supply units

How the community answered

(24 responses)
  • B
    4% (1)
  • C
    92% (22)
  • D
    4% (1)

Explanation

Two power supply units are required because the PowerEdge MX7000 chassis enforces a minimum power threshold at boot - a single PSU cannot deliver enough power to satisfy the chassis controller's requirements for POST, even with just one compute sled installed. Options A and B are identical distractors (both state 1 PSU), making them both wrong for the same reason: one PSU is insufficient to bring the system to POST regardless of how the choice is labeled. Option D (3 PSUs) exceeds the minimum and while valid for redundancy in production, it is not the minimum required. A helpful memory tip: think "MX = Minimum 2" - the MX7000 needs at least 2 PSUs to even begin booting, before you worry about N+1 redundancy.

Topics

#minimum configuration#POST requirements#power supply units#MX7000

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