In FusionManager V100R005,how to troubleshoot the alarm "ALM-ServiceCenter.9201 Failure to Synchronize Time by the ServiceCenter from the Upper-Layer Time Server"

Click System.
The System page is displayed.

On the System page, choose System Configuration > Time Management.
The Time Management page is displayed.

Check the IP address of time server 1, that is, the IP address of the upper-layer NTP server.
Use PuTTY to log in to ServiceCenter as user galaxmanager.
Ensure that the ServiceCenter management IP address is used to establish the connection.

Run the following command to check the communication status:
ping IP address of the upper-layer time server, for example, ping 192.168.41.10.

The communication between ServiceCenter and the upper-layer NTP server is normal if the following information is displayed:

ping 192.168.41.10 (192.168.41.10) 56(84) bytes of data.
64 bytes from 192.168.41.10: icmp_seq=1 ttl=64 time=0.035 ms
64 bytes from 192.168.41.10: icmp_seq=2 ttl=64 time=0.028 ms
64 bytes from 192.168.41.10: icmp_seq=3 ttl=64 time=0.025 ms
Check whether the communication between ServiceCenter and the upper-layer NTP server is normal.

If yes, go to Step 7.
If no, check the network connection and ensure that the network communication is normal.

Run the following command to check whether the time synchronization service on the upper-layer NTP server is available:
ntpq -p IP address of the upper-layer NTP server For example, run the ntpq -p 192.168.41.10 command.

The time synchronization service is running properly if information similar to the following is displayed:

GMN01:~ # ntpq -p 192.168.41.10
remote refid st t when poll reach delay offset jitter
==============================================================================
*LOCAL(0) .LOCL. 11 l 410 64 377 0.000 0.000 0.004

Check whether the time synchronization service on the upper-layer NTP server is available.

If yes, go to Step 10.
If no, go to Step 9.

Troubleshoot the upper-layer NTP server and ensure that it provides the time synchronization service properly.
Check whether the time difference between the upper-layer NTP server and ServiceCenter is less than 1 minute.

If yes, go to Step 16.
If no, go to Step 11.

On the System page, click Time Management.
The Time Management page is displayed.

On the Time Management page, click Synchronize Time Forcibly.
System services will be restarted during forcibly time synchronization, which takes about 20 minutes.

Log in to ServiceCenter again after about 20 minutes, and go to the Time Management page to check whether the forcibly time synchronization is successful.

If yes, go to Step 14.
If no, go to Step 17.

Check whether the alarm is cleared.

If yes, no further action is required.
If no, go to Step 15.

Handle the time error by following instructions provided in System Time Errors in Troubleshooting in the product documentation.
After 10 to 15 time synchronization intervals, check whether the alarm is automatically cleared.

If yes, no further action is required.
If no, go to Step 17.

Contact technical support.

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