Lenovo ThinkServer Storage SA120 (English) User Guide and Hardware Maintenance - Page 72

Note: The following steps are based on the scenario that SecureCRT is started. If you are using a different serial-connector configuration program, the procedure is similar. 3. On the menu bar, click File ➙ Quick Connect. The Quick Connect window is displayed. 4. Configure the DB9 serial connector as the following: Protocol: Serial Port: COMx (x refers to the serial number of the DB9 serial connector) Baud rate: 115 200 Data bits: 8 Parity: none Stop bits: 1 5. Clear the RTS/CTS check box, and then click Connect. The storage array is connected to the computer. 6. Enter lenovo in the main window. The Serial Debug Menu is displayed. 7. Enter the number that represents the menu you want to open. Then, follow the instructions on the screen. Note: To open the help information system of the program, enter h. Basic troubleshooting Use the basic troubleshooting information to find solutions to problems that have definite symptoms. Symptom: The server cannot detect the connected storage array. Actions: 1. Ensure that the rear I/O modules are secured to the chassis and connected to the connectors on the rear of the backplane. 2. Ensure that the SAS signal cables are securely connected to the correct connectors on the rear I/O modules. 3. Ensure that the SAS signal cables are securely connected to the correct connectors on the RAID card or Host Bus Adapter installed in the server. 4. Check the power-status LED on the front panel. If the LED is not lit in green, do one or all of the following: • Disconnect and reconnect the power cords. • Remove and reinstall the power supplies. 5. Connect the storage array to the server again and check if the server can detect the storage array. 6. Check the status LEDs on the rear I/O modules to ensure that the rear I/O modules are working normally. Symptom: The color of some LEDs on the front panel indicates potential system errors. Actions: 1. Ensure that the ambient temperature is within the required range of the storage array. 2. If the power-status LED is not lit in green, check that: • The power cord is working correctly. • The power supply is working normally. Replace the power supply if necessary. 60 ThinkServer Storage SA120 User Guide and Hardware Maintenance Manual