Definition of command-line interface

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A means of communication between a program and its user, based solely on textual input and output. Commands are input with the help of a keyboard or similar device and are interpreted and executed by the program. Results are output as text or graphics to the terminal.

Other related questions:
The U1930 fails to start and the command line interface (CLI) is not displayed.
1. Cut off the power supply, wait for at least one minute, and then power on the U1900 again. 2. Load the required version in secondary boot mode by referring to the upgrade guide.

What is the port for logging in to the SC command line?
The port for logging in to the command line or SSH of the built-in SC and non-Huawei standard hardware SC is 122. The port for logging in to the command line or SSH of Huawei standard hardware SC is 22.

Method used to develop performance statistics by using the common line interface
You can perform the following operations to develop performance statistics by using the CLI: 1. Fault location and rectification You can use the CLI to manually collect performance data. 2. Solution You can collect performance data through ports and LUNs. The following commands are entered and performed in sequence in CLI mode and their displayed results are saved in logs. a. Collecting data by port OceanStor: admin> chgstatswitch -o -p OceanStor: admin> statperf -p Enter the above commands at an interval of 3s for 10 times. OceanStor: admin> chgstatswitch -c -p Based on port statistics, the maximum latency is not more than 1.5s, the average latency is not more than 300 ms, and I/O processing is in normal state. b. Collecting data by LUN OceanStor: admin> chgstatswitch -o -l OceanStor: admin> statperf -l Enter the above commands at an interval of 3 seconds for 10 times. OceanStor: admin> chgstatswitch -c -1

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