Emergency WiFi Maintenance


Incident Type:        Emergency  Maintenance

Start Time:           August 16, 2017 6:00PM

End Time:             August 16, 2017 6:30PM

Service Type:         Production
           
Comments:
In the past few days, a few websites could not be accessed from campus WiFi. To troubleshoot the problem, an emergency maintenance has been scheduled at 6pm.  The maintenance will delay internet access for a few seconds and up to a minute.  All IT services from within campus and from Ann Arbor campus will not be affected.


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Building Switch Refresh - HPEC - COMPLETED


Incident Type:        Scheduled Maintenance

Start Time:           August 20, 2017 6:00AM

End Time:             August 20, 2017 3:00PM

Building(s) Affected: HPEC

Service Type:         Production

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


Comments:
ITS will upgrade the network switches in the Heinz Prechter Engineering Complex (HPEC). This work will have the potential to impact networking within the HPEC 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:
8/20/2017 @ 3:00PM - Maintenance completed for the day. Any further adjustments to these switches will be of a user non-disruptive nature.


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Backbone Upgrade at the FCS & CASL Building - COMPLETED

Incident Type:       Scheduled Maintenance

Start Time:          August 16, 2017, 6:00 AM

End Time (expected): August 16, 2017, 7:00 AM

Service(s) Affected: Network at various buildings briefly unavailable

Service Type:        Production

Symptoms:
During the upgrade, All IT services including VoIP, Email, and Internet will be briefly unavailable in the following buildings: CB, IA/FH, and FCS. Disruption is intermittent in nature and should not last more than a few  minutes. 

Maintenance Activities:
ITS will upgrade backbone network connection for the CASL and FCS building to 10Gbps. 


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Backbone Upgrade at the FCN & ELB Building - COMPLETED

Incident Type:       Scheduled Maintenance

Start Time:          August 12, 2017, 9:00 PM

End Time (expected): August 13, 2017, 1:00 AM

Service(s) Affected: Network at various buildings briefly unavailable

Service Type:        Production

Symptoms:
During the upgrade, All IT services including VoIP, Email, and Internet will be briefly unavailable in the following buildings: FCN, ELB, HPEC, CIS, CSS, and PEC. Disruption is intermittent in nature and should not last more than a few  minutes. 

Maintenance Activities:
ITS will upgrade backbone network connection to 10Gbps the ELB and FCN building. 


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New Internet Router in Production - COMPLETED

Incident Type:       Scheduled Maintenance

Start Time:          August 10, 2017, 10:00 PM

End Time (expected): August 11, 2017, 12:00 AM

Service(s) Affected: Internet connectivity briefly unavailable

Service Type:        Production

Symptoms:
During the upgrade, Internet services including emails and web site will be briefly interrupted or unavailable.

Maintenance Activities:
ITS will install and configure the new internet router with multiple 10Gbps capacities.  


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ILO-CORE Migration - COMPLETED

Incident Type:       Scheduled Maintenance

Start Time:          August 9, 2017 10:00PM

Estimated End Time:  August 9, 2017 11:00PM

Service(s) Affected: iLO/iDRAC/mgmt traffic within FCNDC

Service Type:        Production


Comments:
ITS will migrate ILO-CORE to the Cisco N7K infrastructure in order to facilitate the decommissioning of the aging FCNCORE router. This work will have the potential to disrupt iLO/iDRAC/mgmt connections for several minutes during the maintenance period. Systems requiring special handling have already been migrated directly to the N7K's. Items within the Ann Arbor server rack (VoIP and perfSONAR) should not experience any disruption as that switch was previously dual-linked to the N7K infrastructure.


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Upgrade Internet Connection to 10Gbps - COMPLETED

Incident Type:       Scheduled Maintenance

Start Time:          August 9, 2017, 10:00 PM

End Time (expected): August 9, 2017, 12:00 AM

Service(s) Affected: Internet connectivity briefly unavailable

Service Type:        Production

Symptoms:
During the upgrade, Internet services including emails and web site will be briefly interrupted or unavailable.

Maintenance Activities:
ITS will upgrade the internet connection to 10Gbps.
Merit will perform additional maintenance from 11:00 PM to 5:00 AM.


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KeyWatcher Touch v1.8.1 Upgrade - COMPLETED

Incident Type:       Scheduled Maintenance

Start Time:          August 1, 2017 9:00AM

End Time:            August 1, 2017 12:55PM

Service(s) Affected: KeyWatcher locker cabinet key check in/out

Service Type:        Production


Comments:
The KeyWatcher Touch vendor recommends an upgrade of the server (umd-kwtouch) and locker cabinets to fix an issue related to the primary CSS cabinet. Facilities Planning is notifying all affected parties advising checkout of keys prior to the upgrade start time. The upgrade start/stop time was chosen to be least disruptive to key removal for the majority of the users of the system.

Update(s):
8/1/2017 @ 9:41AM - Server updating completed. Moving on to the update of the individual locker cabinets.
8/1/2017 @ 12:55PM - Cabinet updating completed. The KeyWatcher server and cabinets have been returned to normal operation.