SCHEDULED MAINTENANCE: Network load balancers

On Monday, 5/10/2021, CSIT will be performing maintenance on our Barracuda application load balancers.  The maintenance will begin at 10:00am and will involve the rebooting of both primary and secondary devices.  The processes will require approximately one hour to complete and is likely to interrupt access to some on campus services with the duration of the work.  The impacted services include DNS services, WebAdvisor, Colleague and several services supported by our LDAP authentication servers.

As the name suggests, the application load balancers are network appliances which managed the distribution of work requests between two or more servers which provide the same functions or, in some cases, protects application services by routing work requests to a secondary server should the primary server fail.  Restarting these appliances will help us to assess whether the load balancers are slowing application performance.

Thank you for your patience as we perform this maintenance,