Replace Power Supply (24-Drive); Prepare To Replace Power Supply - Fujitsu ETERNUS AB Series Maintaining Hardware

• If you perform this procedure with the power turned on, you must complete it within 30 minutes to prevent
the possibility of overheating the equipment.
• 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 SANtricity System Manager displays
Yes, indicating that it is safe to remove this component.
Attention: 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.

Replace power supply (24-drive)

Each 24-drive controller shelf or drive shelf includes two power supplies with integrated fans. These are
referred to as power-fan canisters in SANtricity 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.
Related concepts
Power supply overview
Requirements for replacing a power supply

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:
• HB5100 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.
Procedure
1. Collect support data for your storage array using SANtricity System Manager.
a. Select Support > Support Center > Diagnostics.
b. Select Collect Support Data.
c. Click Collect.
The file is saved in the Downloads folder for your browser with the name support-data.7z.
2. From SANtricity System Manager, determine which power supply has failed. You can find this information
in the Details area of the Recovery Guru, or you can review the information displayed for the shelf.
a) Select Hardware.
b) Look at the power and fan icons to the right of the Shelf drop-down lists to determine which shelf has
the failed power supply.
If a component has failed, either or both icons are red.
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