HP HPE Alletra 2140 Hardware Manual page 5

Determine the Operating State of the Controllers Using the GUI..............................................................................................................91
Determine the Operating State of the Controllers Using the CLI...............................................................................................................91
Expander Maintenance..........................................................................................................................................................................................................................92
Replace an Expander............................................................................................................................................................................................................92
Power Supply Maintenance................................................................................................................................................................................................................93
Replace an AC Power Supply...........................................................................................................................................................................................93
Replace AC Power Supplies with DC Power Supplies........................................................................................................................................95
Replace a DC Power Supply..............................................................................................................................................................................................97
Chassis Maintenance...........................................................................................................................................................................................................................100
Replace the Chassis............................................................................................................................................................................................................100
Upgrade Procedures....................................................................................................................103
Upgrade SSDs..........................................................................................................................................................................................................................................103
Upgrade a PCIe Card...........................................................................................................................................................................................................................106
Upgrade the Controllers....................................................................................................................................................................................................................113
Upgrade to 1600W Power Supplies..........................................................................................................................................................................121
Cabling Power With Underpowered PSUs.............................................................................................................................................................121
Hardware and Model Specifications.........................................................................................122
Hardware Specifications....................................................................................................................................................................................................................122
Model Specifications............................................................................................................................................................................................................................123
SFP Specifications.................................................................................................................................................................................................................................124
Statement of Volatility........................................................................................................................................................................................................................128
Troubleshooting...........................................................................................................................131
Check System Temperature............................................................................................................................................................................................................131
Fans and Sensors.................................................................................................................................................................................................................131
What You Should Do..........................................................................................................................................................................................................131
Check System Temperature using the GUI...........................................................................................................................................................132
Check System Temperature using the CLI............................................................................................................................................................132
Regulatory and Safety Information..............................................................................................................................................................................................................133
Regulatory Warnings...........................................................................................................................................................................................................................133
Safety Warnings.....................................................................................................................................................................................................................................135
Electrical Safety.....................................................................................................................................................................................................................135
System Safety.........................................................................................................................................................................................................................136
Battery Safety........................................................................................................................................................................................................................136