Steps
1. Prepare to replace power supply on page 38
You prepare to replace a power supply in a 24-drive controller shelf or drive shelf by collecting
support data about your storage array and locating the failed component. The power supply is
referred to as a power-fan canister in SANtricity System Manager.
2. Remove failed power supply on page 40
You remove a failed power supply so you can replace it with a new one. When you remove a
power supply (referred to in SANtricity System Manager as a
power-fan canister
), you turn off
power, disconnect the power cord, and slide the part out of the shelf.
3. Install new power supply on page 41
You install a new power supply to replace the failed one. When you install a power supply
(referred to in SANtricity System Manager as a
power-fan canister
), you slide the part into the
shelf, close the cam handle, reconnect the power cord, and reapply power.
4. Complete power supply replacement on page 41
You complete the power supply replacement by confirming that the new power supply (referred to
in SANtricity System Manager as a
power-fan canister
) is working correctly. Then, you can gather
support data and resume normal operations.
Related concepts
Power supply overview
on page 34
Requirements for replacing a power supply
on page 36
Prepare to replace power supply
You prepare to replace a power supply in a 24-drive controller shelf or drive shelf by collecting
support data about your storage array and locating the failed component. The power supply is
referred to as a power-fan canister in SANtricity System Manager.
Before you begin
• You have reviewed 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.
• The amber Attention LED on the power supply must be 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.
About this task
This task describes how to prepare to replace a power supply for the following controller shelves:
• E5724 controller shelf
• DE224C drive shelf
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 SANtricity System Manager displays Yes.
Steps
1. Collect support data for your storage array using SANtricity System Manager.
a. Select Support > Support Center > Diagnostics.
b. Select Collect Support Data.
38
| Maintaining E5700 Hardware
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