SCHEDULED MAINTENANCE
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Network Maintenance on Data Center Network - COMPLETED

Incident Type:        Scheduled Maintenance

Start Time:           January 14, 2017 9:00PM

End Time:             January 15, 2017 1:00AM

Service(s) Affected:  No service impact expected

Service Type:         Production

Symptoms:             None

Impacts:              No user impact is expected


Comments:
A network configuration change will be made to the datacenter backbone network (on Nexus 7K routers). The change is to increase data transfer speed by adjusting the maximum transmission unit (MTU). The maintenance will start on the CW data center router and then move to the FCN data center. No service impact is expected during the maintenance. 


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SecureW2 JoinNow MultiOS v5.1.5.GA7 Update

Incident Type:       Scheduled Maintenance

Start Time:          January 14, 2017 9:00PM

End Time:            January 14, 2017 9:13PM

Service(s) Affected: joinnow.umd.umich.edu (and wifi.umd.umich.edu)

Service Type:        Production

Symptoms:
New connection setup to UMD-Secure using the JoinNow MultiOS wizard will be unavailable during the update process.


Comments:
JoinNow MultiOS v5.1.5.GA7 fixes known interoperability issues with Android, MacOS, and iOS.


Update:
1/14/2017 @ 9:13PM - Update to v5.1.5.GA7 successfully completed.


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FCN Building Switch 10GE Upgrade

Incident Type:        Scheduled Maintenance

Start Time:           January 15, 2017 6:00AM

End Time:             January 15, 2017 2:58PM

Building(s) Affected: FCN

Service Type:         Production

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


Comments:
ITS will upgrade all network closets in the Fairlane Center North (FCN) building to utilize new 10GE fiber circuits. This work will have the potential to impact networking to both floors of FCN during the entirety of the maintenance period, including wired and wireless internet connectivity, network-based printing, VoIP phone services, and building swipe card access. Networking to Career Services and the Talent Gateway should remain unaffected as that area was upgraded at the time of office suite construction.

Update(s):
1/15/2017 @ 11:14AM - FCN 2nd floor switch upgrades successfully completed.
1/15/2017 @ 2:58PM  - FCN 1st floor switch upgrades successfully completed. All maintenance done for the day.


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FCNDC - UPS Battery, Fire Suppression, and HVAC Inspections

Incident Type:       Scheduled Maintenance

Start Time:          January 24, 2017 8:00AM

End Time:            January 24, 2017 2:00PM

Service Type:        Production


Comments:
Eaton will perform preventative maintenance of the uninterruptible power supply (UPS) batteries in the FCN Data Center (FCNDC). Additional preventative maintenance will be performed by Arbor Inspection Services on the FCNDC fire suppression system and by John E. Green Company on the HVAC units. ITS does not anticipate any outages of services from the FCNDC throughout the inspection and maintenance period.


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FCNDC UPS Capacitor and Fan Replacement

Incident Type:       Scheduled Maintenance

Start Time:          January 27, 2017 9:00AM

End Time:            January 27, 2017 1:00PM

Service Type:        Production


Comments:
A Field Service Engineer from Eaton will perform a capacitor upgrade and fan replacement on the Eaton Powerware 9390 uninterruptible power supply (UPS) in the FCN Data Center (FCNDC). A portion of the maintenance requires placement of the UPS in bypass mode. Based upon the recommendation of the FSE, UM-Dearborn campus electricians will place the room on generator power for the duration of the maintenance requiring the bypass. ITS does not anticipate any outages of services from the FCNDC throughout the maintenance period.


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KMOD Building Switch Upgrade

Incident Type:        Scheduled Maintenance

Start Time:           January 29, 2017 6:00AM

End Time:             January 29, 2017 12:00PM

Building(s) Affected: Kindergarten Module (KMOD)

Service Type:         Production

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


Comments:
ITS will upgrade the building switch networking in the Kindergarten Module (KMOD). This work will have the potential to impact networking in the KMOD during the entirety of the maintenance period, including wired and wireless internet connectivity as well as network-based printing.