•
You can replace a 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 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.
If the second fan canister in the shelf does not have Optimal status or if
the Recovery Guru indicates that it is not OK to remove the fan canister,
contact technical support.
4.2. Replace DE2000H or DE4000H power supply (12-drive or
24-drive)
You can replace a power supply in a DE2000H or DE4000H array with a 12-drive
or 24-drive shelf, including the following shelf types:
•
DE2000H/DE4000H (2U12) controller shelf
•
DE2000H/DE4000H (2U24) controller shelf
•
DE4000F flash array
•
DE120S drive shelf
•
DE240S drive shelf
4.2.1. About this task
Each 12-drive or 24-drive controller shelf or drive shelf includes two power supplies with integrated
fans. These are referred to as power-fan canisters in ThinkSystem System Manager. If a power-fan
canister fails, you must replace it as soon as possible to ensure that the shelf has a redundant
power source and adequate cooling.
You can replace a power supply while your storage array is powered on and performing host I/O
operations, as long as the second power supply in the shelf has an Optimal status and the OK to
remove field in the Details area of the Recovery Guru in ThinkSystem System Manager displays
Yes.
4.2.2. Before you begin
•
Review the power supply requirements in
Requirements for canister replacement.
•
Review the details in the Recovery Guru to confirm that there is an issue with the power supply.
Select Recheck from the Recovery Guru to ensure no other items must be addressed first.
•
Check that the amber Attention LED on the power supply is on, indicating that the power
supply or its integrated fan has a fault. Contact technical support for assistance if both power
supplies in the shelf have their amber Attention LEDs on.
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