The following figure shows the back of a DE460C shelf with two fan canisters:
Attention: Possible equipment damage — If you replace a fan canister with the power turned on,
you must complete the replacement procedure within 30 minutes to prevent the possibility of
overheating the equipment.
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 SANtricity 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.
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| Maintaining E5700 Hardware
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