Verifying The Operation Of The Power Supply And Fan Assemblies - IBM SAN128B-7 Installation, Service And User Manual

Figure 37. Inserting a power supply assembly
1. Power Supply Assembly Unit
2. Power Supply Assembly Handle
3. Plug the power cord into the power supply assembly and power is provided to the device immediately.
4. Verify that the LED on the new power supply assembly displays a steady green light while the device
is operating. If the LED is not a steady green, ensure that the power supply is securely installed and
seated properly.
5. Optional: Enter psshow to display the PSU status. The power supply assembly status can also be
viewed using Web Tools.

Verifying the operation of the power supply and fan assemblies

You can use the following commands to verify that the power supply and fan assemblies are operational:
• errDump
• fanShow
• psShow
• sensorShow
• switchShow
• tempShow
Refer to the Fabric OS Command Reference for output examples and descriptions.
60 IBM Storage Networking SAN128B-7: SAN128B-7 Installation, Service, and User Guide