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7. The RAID array will automatically rebuild itself.
While the array is rebuilding, an amber LED will blink. The LED will turn off when the rebuilding is
complete.
Replace external rear components
Replace a power supply unit
If either of the two power supply units (PSU) fails, the other unit takes the full load and the system can
continue operation without interruption. The Universal Information LED on the control panel flashes
slowly until the failed unit is replaced.
The PSUs can be replaced without powering down the appliance. The redundant feature keeps the
appliance active while the failed PSU is replaced.
1. Push the release tab on the rear of the PSU, as shown in the following figure.
Figure 18. Removing a PSU from the chassis
2. Pull the PSU out using the provided handle. (The PSU wiring is designed to detach automatically when
the PSU is pulled from the chassis).
3. Replace the failed PSU with another PSU.
4. Push the new PSU into the power bay until you hear a click.
Install an SFP+ / QSFP optical module
1. Log in to the device as localadmin.
2. At the command prompt, type poweroff.
3. Remove the SFP+ / QSFP module from the packaging.
4. Remove the black plastic protective cap from the optical side of the module.
5. Insert the module into the network card until it clicks into place.
6. Insert the fiber optic cable into the SFP+ / QSFP module.
7. Restart system and configure the network interface. For more information, see the Appliance
Configuration Guide.
Battery removal and installation
Battery removal
To remove the Onboard battery, follow these steps:
20 IBM Cloud Object Storage System: Manager 3105 Appliance Manual
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