During the Tuesday, October 6th maintenance window, maintenance work affecting a number of services will occur, starting at 5:30 PM and being completed before midnight. The following work is planned:
Distribution routers: the router serving all buildings in the south campus area will be replaced. All network services (including Wi-Fi and IP telephones) may be disrupted in those areas for an hour.
South campus: all buildings south of Prince Alfred St between Rhodes Avenue and Artillery Road, around the Hobson and Jan Smuts dining halls.
Server software updates: software on the servers which provide the following services will be updated, resulting in outages of up to 15 minutes per server:
DNS
DHCP
NTP
RT
Web proxies
Registration system
Incoming e-mail
Outgoing e-mail
IMAP e-mail mailboxes
Webmail
Mailing lists
SMS
Provisioning (web proxy autodiscovery)
Wi-Fi and VPN authentication
CHERTL Evaluation Assistant
Network graphs
Network monitoring
Terminal Four content management system
RU Single Sign-On system
Main web server (www.ru.ac.za, etc)
University administration and meal booking systems
SEALS Library consortium services
Network printing services (iPrint/PaperCut)
File servers/home directories (gnu, serval)
While we try to publish a list of all service-affecting work here in advance, the list should not be considered exhaustive and other low impact work may also be undertaken during the maintenance window.
This maintenance work is being undertaken in the ITSC-approved scheduled maintenance window.