CS Network Status
This page lists both active and recently closed CS network alerts. If you would like more information about an alert, or if you have an issue you would like to report, send email to helpdesk [-at-] cs [dot] umd [dot] edu or call extension 52720.
Current Active Alerts
Past Alerts
| Updated | Issue | Summary | Impact |
|---|---|---|---|
| 03.21.2023 16:11 | Horvitz Cluster Outage - 1.5 hours between 11 AM and 3 PM on 3/21 |
The Horvitz Cluster will be shut down for about 1.5 hours. All VMs running here will be impacted during this maintenance window. Check your email for more information. |
Heavy |
| 03.21.2023 10:05 | Database Maintenance |
We are performing database maintenance on our Databases servers. The maintenance window would affect Website access, DHCP and new VPN connections, and Wikis. |
Moderate |
| 02.01.2023 22:28 | 2/1 10-10:30PM: Replacement of failed network switch |
On Wednesday, February 1st at 10:00 PM, we will be replacing a failed network switch. We do not expect a general service disruption. Owners of specific affected servers have been informed individually. |
Light |
| 02.01.2023 10:26 | Gitlab Security Update still in progress |
The Gitlab security update scheduled for last night was not completed on time. Gitlab may be unavaiable for a minute while the upgrade completes. |
Light |
| 01.22.2023 14:06 | Failover testing completed - contact the helpdesk if you have any network issues | None | |
| 01.22.2023 14:05 | Network Failover Testing - Sunday, Jan 22, 1-8PM |
Likely minimal packet loss, possiblility of up to 2.5 minute total outage for all department<->campus traffic (IRB<->datacenter traffic should not be affected). |
Light |
| 12.31.2022 22:03 | Identity Management Servers Maintenance - Monday, December 26, 10am - 2pm |
Upgrades will be performed on additional identity management servers (CS authentication, LDAP, DNS). Because of the redundancy, we expect minimal impact to our user community. |
Moderate |
| 12.31.2022 22:03 | Web load balancer upgrades - Tuesday, December 27, 6:30pm - midnight |
Our web load balancers will be updated. Because of redundancy, we expect minimal impact to our user community. SSH connections to GitLab may fail momentarily. |
Light |
| 12.31.2022 22:03 | Network Maintenance Completed - More work to follow |
The major work scheduled for December 25 has been completed. We are aware that UDP traceroute may not complete at this time. Watch for additional announcements. |
Light |
| 12.26.2022 00:14 | Identity Management Servers Maintenance - Saturday, December 24, 7-9pm |
Upgrades will be performed on one of several identity management servers (CS authentication, LDAP, DNS). Because of the redundancy, we expect minimal impact to our user community. |
Light |