The Online Performance Reviews application at reviews.engin.umich.edu was unavailable from 4:26 to 4:39 p.m. today due to a database outage. The issue has been resolved, and the underlying cause is being investigated.
Author: CAEN
Resolved: North Campus Research Complex Power Outage – Monday, May 7 to Friday, May 11
Beginning Monday, May 7 until Friday, May 11 from 5:00 to 7:00 a.m. each day, the electrical substation that provides power to the North Campus Research Complex Building 20 West will be shutdown for equipment upgrades. Building 20 West should not be occupied during this time, as this outage will affect all power west of the main corridor including restrooms, kitchenettes, lighting, ventilation, elevators, and life safety devices. All sensitive electronic equipment should be turned off or unplugged. Further information is available on the ITS Service Status page.
Resolved: EECS Building Power Shutdown – Wednesday, May 9
On Wednesday, May 9 from 8:00 to 8:30 a.m., there will be a shutdown of the electric high voltage substation in the Electrical Engineering and Computer Science (EECS) building while facility operations performs maintenance.
Resolved: Wi-Fi Maintenance – Tuesday, May 1 & Wednesday, May 2
On Tuesday, May 1 from 5:00 to 7:00 a.m. and Wednesday, May 2 from 5:00 to 7:00 a.m., ITS will be performing maintenance on the Wi-Fi network. No outage to wireless access is expected.
Resolved: EECS Building Power Shutdown – Thursday, April 26
On Thursday, April 26 from 8:00 to 8:30 a.m., there will be a shutdown of the electric high voltage substation in the Electrical Engineering and Computer Science building while facility operations performs maintenance.
Resolved: School of Information North Power Shutdown – Saturday, April 21
On Saturday, April 21 from 7:00 a.m. to 5:00 p.m., there will be a power shutdown in the School of Information North while preventative maintenance is performed. The building should not be occupied during this time due to lighting, ventilation, networking, elevator, and life safety system service interruptions. Further information will be posted on the ITS Service Status page.
Resolved: CLSE Server Maintenance – Thursday, May 10
On Thursday, May 10 between 5:00 and 8:30 a.m., maintenance has been scheduled for servers that support the CAEN Lab Software Environment (CLSE). This maintenance is intended to apply security patches, correcting recent operating system and software application vulnerabilities.
The following services may experience an outage during the above maintenance timeframe:
- Linux Login Service (accessed as login-course-2fa.engin.umich.edu, oncampus-course.engin.umich.edu, or restricted-course.engin.umich.edu), also known as the “VNC” servers.
- Some applications on CLSE for Windows computers, including via the Windows Remote Desktop Service.
Resolved: DNS Resolver IP Addresses – Tuesday, April 10
On Tuesday, April 10 at 6:00 a.m., ITS will be turning off the old DNS Resolver IP address redirects. Computers manually configured with the old addresses will no longer be able to resolve hostnames, which will prevent connections to other computers. Further information on this change can be found on the ITS Service Status page.
Resolved: North Campus Network Outage – Monday, April 2
UMnet is currently working to resolve an issue with a core router that is impacting many North Campus Virtual Firewall networks. Further information is available on the ITS Service Status page.
Resolved: Engineering Research Buildings 1 & 2 Power Shutdown – Saturday, April 7
On Saturday, April 7 from 7:00 a.m. to 5:00 p.m., there will be a power shutdown in the Engineering Research Buildings 1 & 2 while preventative maintenance is performed. The building should not be occupied during this time due to lighting, ventilation, networking, elevator, and life safety system service interruptions. Further information can be found on the ITS Service Status page.