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Requirements for replacing a power supply

If you plan to replace a power supply, keep the following requirements in mind.

  • You must have a replacement power supply (power-fan canister) that is supported for your controller shelf or drive shelf model.
  • You have an ESD wristband, or you have taken other antistatic precautions.
  • You can replace a power supply (power-fan canister) while your storage array is powered on and performing host I/O operations, as long as the following conditions are true:
    • The second power supply (power-fan canister) in the shelf has an Optimal status.
    • The OK to remove field in the Details area of the Recovery Guru in ThinkSystem System Manager displays Yes, indicating that it is safe to remove this component.
      Attention
      If the second power supply (power-fan canister) in the shelf does not have Optimal status or if the Recovery Guru indicates that it is not OK to remove the power-fan canister, contact technical support.