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This chapter explains how to use AAI to configure the system time on a DMM appliance. This chapter includes these sections.
•Use NTP to Correct the System Clock
•Use NTP to Provide System Time
Procedure
Step 1 Choose DATE_TIME_SETTINGS and press Enter.
The Date and Time Settings screen appears. The screen shows the currently configured time zone, whether the hardware clock is set to UTC or not, and the date and time the screen was accessed.
Note The time does not update on this screen. To see the actual time, see Display the Current Time.
Step 2 Choose Cancel to return to the Main menu.
Step 3 Stop. You have completed this procedure.
Procedure
Step 1 Choose DATE_TIME_SETTINGS and press Enter.
Step 2 Choose TIME_ZONE and press Enter.
Step 3 Use the Up/Down arrows to select the time zone. Press Tab.
Step 4 Press Space to select or deselect System clock uses UTC.
Step 5 Press Tab to highlight the OK button and press Enter.
It may take a minute for the changes to take effect. When the changes are complete, the Date and Time Settings screen appears.
Step 6 Stop. You have completed this procedure.
Procedure
Step 1 Choose DATE_TIME_SETTINGS and press Enter.
Step 2 Choose DATE and press Enter.
Step 3 Press Tab until the month is highlighted. Use the Up/Down arrows to change the month.
Step 4 Press Tab to highlight the year. Use the Up/Down arrows to change the year.
Step 5 Press Tab to highlight the day. Use the Up/Down and Left/Right arrows to change the day.
Step 6 Press Tab to highlight the OK button. Press Enter.
The Date and Time Settings confirmation screen appears.
Step 7 Press Enter to confirm the date and return to the Date and Time Settings screen.
Step 8 Stop. You have completed this procedure.
You can manually enter the system time.
Note See Use NTP to Correct the System Clock for information about performing a one-time correction of the manually-entered system time against an NTP server.
Procedure
Step 1 Choose DATE_TIME_SETTINGS and press Enter.
Step 2 Choose TIME and press Enter.
Step 3 Press Tab until the hour is highlighted. Use the Up/Down arrows to change the hour.
Step 4 Press Tab to highlight the minutes. Use the Up/Down arrows to change the minutes.
Step 5 Press Tab to highlight the seconds. Use the Up/Down arrows to change the seconds.
Step 6 Press Tab to highlight the OK button. Press Enter.
The Time Configuration confirmation screen appears.
Step 7 Press Enter to confirm the settings and return to the Date and Time Settings screen.
Step 8 Stop. You have completed this procedure.
You can use NTP to perform a one-time correction of the system clock.
This procedure provides a one-time correction only; it does not enable NTP to keep the system clock synchronized with the NTP server. To enable NTP on the appliance, see Use NTP to Provide System Time.
Procedure
Step 1 Choose DATE_TIME_SETTINGS and press Enter.
Step 2 Choose NTP and press Enter.
Step 3 Choose CLOCK_CORRECTION and press Enter.
Step 4 Enter the IP address or name of the NTP server you want to use to correct the system clock.
Step 5 Press Enter.
A message displaying the status of the time correction appears.
Step 6 Press Enter.
You are returned to the Network Time Protocol Configuration screen.
Step 7 Stop. You have completed this procedure.
You must use NTP on the appliances if you are going to configure failover. This section contains these topics.
Procedure
Step 1 Choose DATE_TIME_SETTINGS and press Enter.
Step 2 Choose NTP and press Enter.
The Network Time Protocol Configuration screen appears. The configured NTP servers, the date and time that the screen was accessed, and the status of the NTP service is displayed at the top of the screen.
Note The date and time do not update on this screen; it only displays the date and time you accessed the screen. To view a live display of the system time, see Display the Current Time.
If the STATUS field contains "Unable to talk to NTP daemon," the NTP service is not started. See Start the NTP Service for information about starting the service. If you have not yet specified any NTP servers, see Specify NTP Servers.
Step 3 Choose Cancel and press enter to return to the Main Menu.
Step 4 Stop. You have completed this procedure.
You can add up to three NTP servers for the appliance to use to synchronize its clock.
Procedure
Step 1 Choose DATE_TIME_SETTINGS and press Enter.
Step 2 Choose NTP and press Enter.
Step 3 Choose ADD/CHANGE and press Enter.
Step 4 Enter up to three servers, starting with the NTP SERVER 1: field.
a. Use the Up/Down arrows to highlight the server field.
b. Enter the server IP address or fully qualified domain name.
Step 5 Press Tab to highlight the OK button, and then press Enter.
The Network Time Protocol Client Configuration confirmation screen appears. You can review the servers that you specified.
Step 6 Press Enter to confirm your settings and return to the Network Time Protocol Configuration screen.
Step 7 Stop. You have completed this procedure.
The NTP service polls the server every 64 seconds.
Procedure
Step 1 Choose DATE_TIME_SETTINGS and press Enter.
Step 2 Choose NTP and press Enter.
Step 3 Choose NTP_SERVICE and press Enter.
Step 4 Choose START/STOP and press Enter.
The Start NTP confirmation screen appears.
Step 5 Press Enter to start the service.
The Network Time Protocol Configuration screen appears. When the appliance is synchronized with the NTP server, the status on this screen is "synchronized to NTP server (server_ip_address)...." If the appliance has not yet synchronized with the NTP server, the status shows "unsynchronized".
Step 6 Stop. You have completed this procedure.
Procedure
Step 1 Choose DATE_TIME_SETTINGS and press Enter.
Step 2 Choose NTP and press Enter.
Step 3 Choose NTP_SERVICE and press Enter.
Step 4 Choose START/STOP and press Enter.
The Stop NTP confirmation screen appears.
Step 5 Press Enter to stop the service.
The Network Time Protocol Configuration screen appears. When the NTP service is stopped, the Status on this screen is "Unable to talk to NTP daemon".
Step 6 Stop. You have completed this procedure.
Restarting the NTP service stops and restarts the service if it is already running; it does not start the service if it is stopped.
Procedure
Step 1 Choose DATE_TIME_SETTINGS and press Enter.
Step 2 Choose NTP and press Enter.
Step 3 Choose NTP_SERVICE and press Enter.
Step 4 Choose RESTART and press Enter.
The Restart NTP confirmation screen appears.
Step 5 Press Enter to restart the service.
The Network Time Protocol Configuration screen appears.
Step 6 Stop. You have completed this procedure.
Procedure
Step 1 Choose DATE_TIME_SETTINGS and press Enter.
Step 2 Choose NTP and press Enter.
Step 3 Choose STATUS and press Enter.
The Network Time Protocol Client Status screen appears.
Step 4 Press Enter to close the Network Time Protocol Client Status screen and return to the Network Time Protocol Configuration screen.
Step 5 Stop. You have completed this procedure.
Procedure
Step 1 Choose DATE_TIME_SETTINGS and press Enter.
Step 2 Choose SHOW_TIME and press Enter.
The Display Time screen displays the current time on the appliance.
Step 3 To return to the Date and Time Settings menu, press Enter.
Step 4 Stop. You have completed this procedure.