2012 Holiday Closedown System Planned Maintenance & Outages
The following are planned upgrade projects that will be conducted over UNL's holiday closedown to improve services while limiting the impact of outages to the University. All schedules are subject to change-follow IS Alerts for updated information.
| High Availability load balance test | |||
|---|---|---|---|
| Description | Impact | Start Time | End Time |
|
To ensure priority services are not impacted during potential network failures, this test will simulate the loss of the loadbalancer and firewall modules within the network router. Each module will be shutdown and services should automatically roll over to the backup router modules. Priority services include O365 logins, Blackboard access, and all virtual servers. |
No impact to services is expected, but a potential outage is possible during this window. | 08:00 12/22/2012 |
11:00 12/22/2012 |
| Campus Recreation Network Switch Replacement | |||
|---|---|---|---|
| Description | Impact | Start Time | End Time |
|
Information Services is proactively replacing the network switch. This work is being done while Campus Recreation is closed. |
Network will be unavailable within the CREC facility. | 08:00 12/26/2012 |
17:00 12/26/2012 |
| SEC Data Center | |||
|---|---|---|---|
| Description | Impact | Start Time | End Time |
| Building power will be switched off to convert servers in data center to the new Uninterruptable Power Supplies (UPS) and Generator systems that have been installed at SEC Data Center | While many services will run on UPS during the power outage, some servers will be unavailable. Server owners have been contacted in advance. | 07:00 12/27/2012 |
13:00 12/27/2012 |
| Power distribution units (PDU) will be installed in data center. | 07:00 12/28/2012 |
13:00 12/28/2012 |
|
| Great Plains Network (GPN) Maintenance | |||
|---|---|---|---|
| Description | Impact | Start Time | End Time |
|
GPN will be upgrading their router in Kansas City. |
All traffic through Internet2, WiscNet, and I2 CPS will be unavailable. Although GPN has scheduled an outage of 6 hours, it is not anticipated it will take the entire maintenance window. | 23:59 12/27/2012 |
06:00 12/28/2012 |
| MyUNL/Blackboard | |||
|---|---|---|---|
| Description | Impact | Start Time | End Time |
| Upgrade new service pack for Blackboard 9.1 resolves many known issues and improves stability in Blackboard. | Blackboard will be unavailable to both faculty and students during this window. | 12:00 Noon 12/28/2012 |
|
| NSave Desktop Backup | |||
|---|---|---|---|
| Description | Impact | Start Time | End Time |
| Upgrade the CrashPlan Pro server to current version--this upgrade will push out current version to all client devices. | NSave will not be available and will not back up data during this window. | 15:00 12/28/2012 |
17:00 12/28/2012 |
| DNS/DHCP QIP Upgrade | |||
|---|---|---|---|
| Description | Impact | Start Time | End Time |
| Upgrade of both hardware and software version to the QIP database and data entry/management interface. This will also implement disaster recovery with a backup database server and provide for management of appliance-based remote servers. | Entry of new IP requests will be delayed until the changes are completed. | 07:00 12/30/2012 |
12:00 12/30/2012 |
