To ensure the stability of the campus network, replacement of the hard disk in the SDN controller has been scheduled from 09:00 on 16 August 2025 to 24:00 on 17 August 2025. During the maintenance window, brief fluctuations in network service may occur; full functionality will be restored immediately after the upgrade is completed. Details are as follows:

[Time]: 2025/8/16 09:00 - 2025/08/17 24:00

[Impact]: the campus network may be brief fluctuations. Normal service will be restored immediately after the maintenance is completed.

[Service Involved]: Campus network services in core areas, supporting areas will be affected. 

Please plan your work in advance to avoid any disruption to your progress.

If you have any questions, please contact us at <gzit@hkust-gz.edu.cn>. 

Information Technology Department (ITD)

August 15, 2025