Emergency firewall maintenance to resolve a software bug - CANCELLED 

Incident Type:          Unscheduled Maintenance 

Service Type:           Production

Start Time:               6/23/2017 17:00:00 

End Time:                6/23/2017 18:00:00 

User Impact:
During maintenance, access to internet and campus network including UMD-Connect, M+Google email, and ITS hosted services will be temporarily unavailable. The disruption is expected to be brief. 

Updates or Comments:
The campus firewall will be switched over to a secondary system while resolving a known software bug. 


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Ann Arbor and Dearborn Campus connection move to BGP protocol

Incident Type:          Scheduled Maintenance 

Service Type:           Production

Start Time:               6/24/2017 6:00:00 

End Time:                6/24/2017 8:00:00 

User Impact:
No service impact expected

Updates or Comments:
BGP will be activated and RIP deactivated between the UM-Dearborn routers and the UMnet routers in Dearborn.



Unplanned Outage - UMConnect is down - RESOLVED

UPDATE 

6:52 PM, 6/22 - All services have been restored. 

6:42 PM, 6/22 - UMD-Connect has been restored. Banner single signon (SSO) service  is to be restored soon. 

5:35 PM, 6/22 - The BANP environment including Banner INB, SSB, Jobsub are down. The systems are being rebooted. No ETA at this point. 


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Unplanned Outage UM Wide -  8:55 AM, 6/8/2017 - Service Restored

Shibboleth is experiencing technical difficulty  which causes delays or unable logging into UM Google mail, Canvas, MiServer and Bluejeans services. This is a UM wide service outage. 

7:00 PM , 6/8/2017 - Update

Services are restored and web pages should be running normally. 



Emergency Maintenance: Apply RHEL sudo patch to all RedHat Servers - Completed

Incident Type:          Scheduled Maintenance 

Service Type:           Production

Start Time:             6/3/2017 21:00:00 

End Time:               6/4/2017 1:00:00 

User Impact:
No user impact is expected. This does not require server reboot. 

Updates or Comments:
A vulnerability has recently been discovered. Red Hat released a patch to address local privilege escalation. ITS will apply this patch to ALL RedHat systems including Banner and campus portal. 

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Network Maintenance - Ann Arbor Network Connection Upgrade - Completed

Incident Type:          Scheduled Maintenance 

Service Type:           Production

Start Time:             6/4/2017  9:00 AM

End Time:               6/4/2017  11:00 AM

User Impact:
During Maintenance, all services provided from Ann Arbor campus including Wolverine Access, web, and VoIP phones will be briefly interrupted. Phone calls to and from Ann Arbor campus may be briefly interrupted. 

Updates or Comments:
During maintenance, Ann Arbor connection will be migrated to a new switch. The connection will be briefly disconnected and rerouted from an old switch (N5K) to the new switch (N7K). 

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NSB UPS Restoration - COMPLETED

Incident Type:        Emergency Maintenance

Start Time:           May 31, 2017 7:00AM

End Time:             May 31, 2017 7:40AM

Building(s) Affected: NSB - Basement Floor

Service Type:         Production

Symptoms:             Intermittent wired, wireless, and voice networking disruptions in the NSB basement floor throughout the maintenance period

Comments:
ITS will perform emergency maintenance in the building network closets of the NSB basement floor to restore proper UPS backup power services to that area of the building. This work will impact networking restricted to the basement floor of the NSB during the entirety of the maintenance period, including wired and wireless internet connectivity, network-based printing, and VoIP phone services.

Updates:
5/31/2017 @ 7:40AM - Emergency maintenance successfully completed. All building network switches in the NSB basement returned to proper working order. Wireless tested and confirmed returned to service. VoIP phones drawing appropriate power.


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ITS Linux Server Patching - COMPLETED

Incident Type:          Scheduled Maintenance 

Service Type:           Production

Start Time:             5/27/2017 21:00:00 

End Time:               5/28/2017 1:00:00 

User Impact:
No reboot will be required, so there should be little if any noticeable impact during the patching. Banner / umdearborn.edu are not included.


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Secondary Firewall in the CW Datacenter Reboot - COMPLETED

Incident Type:          Scheduled Maintenance 

Service Type:           Production

Start Time:             5/28/2017 9:00:00 

End Time:               5/28/2017 11:00:00 

User Impact:
There will be no visible impact to users. Maintenance is being conducted on a firewall that only protects our backup Internet and Ann Arbor connections.

Updates or Comments:
There will be a 15 minute period right after 9:00am on Sunday, May 28th where the backup Internet and Ann Arbor connections will be unavailable. All campus traffic will continue to route correctly through the primary firewall.

Work is being conducted to rectify a bug on the backup firewall which is preventing configuration updates.


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Urgent Maintenance: Disabling SMBv1 on UMD-Home and UMD-Services  - COMPLETED

Incident Type:         Unscheduled Maintenance 

Service Type:          Production

Start Time:            5/20/2017 21:00:00 

End Time:              5/20/2017 11:00:00 

User Impact:
During maintenance, H: drive and some ITS internally hosted websites will be briefly interrupted. All other services, email, internet and campus main website, will not be affected. 

Updates or Comments:
During maintenance, SMBv1 will be disabled and replaced with SMBv2. The SMB service will be restarted. The SMBv1 is an insecure version of file sharing protocol currently configured on umd-home and umd-services.


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Environmental Interpretive Center Building Switch 10GE Upgrade - COMPLETED

Incident Type:        Scheduled Maintenance

Start Time:           May 21, 2017 8:00AM

End Time:             May 21, 2017 12:00PM

Building(s) Affected: EIC

Service Type:         Production

Symptoms:             Intermittent wired, wireless, and voice networking disruptions in the FCN throughout the maintenance period


Comments:
ITS will upgrade the network switches in the Environmental Interpretive Center (EIC) to utilize 10GE fiber optics. This work will have the potential to impact networking within the EIC during the entirety of the maintenance period, including wired and wireless internet connectivity, network-based printing, VoIP phone services, and building swipe card access.

Updates:
5/21/2017 @ 12:23PM - All disruptive maintenance completed by 12:00PM. Final non-disruptive maintenance completed at 12:23PM.


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DNS/DHCP Server Software Updates - COMPLETED

Incident Type:        Scheduled Maintenance
Start Time:           May 13, 2017 9:00PM
End Time:             May 13, 2017 9:30PM
Service Type:         Production

Symptoms:             Some websites may take longer to load, for a brief period of time.

Comments:
ITS will be updating the campus DNS/DHCP servers. The updates will be staggered in a way that should prevent a loss of internet connectivity.


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Firewall Maintenance - COMPLETED


On Sunday, May 7, 2017, UM-Dearborn ITS will perform firewall maintenance and implement a new datacenter firewall policy to better protect critical computing resources and to help prevent unauthorized access to sensitive information.


The maintenance is scheduled during the ITS regular maintenance window from 9:00AM to 2:00PM. During maintenance, campus data and voice services including email, internet, file shares, and UMD-Connect will not be available.


Update:

5/7/2017, 11:40AM, The firewall maintenance has been completed. Network services are restored.