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Is a system shutdown required when switching power from 100-120V to 200-240V?

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Applies to

  • AFF, ASA and FAS systems
  • Storage disk shelves

Answer

No, a system shutdown is not required.

  • All ONTAP hardware including controllers and shelves support changing the input voltage between 100-120V AC (low-line) and 200-240V AC (high-line) without disruptions. 
  • The PSUs can autorange between 100VAC and 240VAC automatically, so there is no need to change power supply units as part of input voltage changes.
  • Mixed voltage between redundant PSUs in the chassis is supported temporarily while changing input voltages (for a few minutes), but mixed voltages are not supported for long-term use.
  • Change the input voltage for each PSU one at a time. Allow time for the PSU to stabilize for a minute before changing the input voltage of the second PSU.

Additional Information

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