noticeboard.ru.ac.za

2020/02/04 - Scheduled maintenance, 4 February
 
Updated: v1.0 @ Mon, 03 Feb 2020 17:07:59 SAST

During the Tuesday, February 4th 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: software will be updated on the routers serving all buildings in the areas listed below.  All network services (including Wi-Fi and IP telephones) may be disrupted in those areas for up to 20 minutes.
    • St Peters campus: all buildings south of Lucas Avenue.
    • North and west campus: all buildings north of Prince Alfred St.
    • Off campus: all buildings east of Somerset St.
    • Mid campus: all buildings in the area bounded by Prince Alfred St, Rhodes Avenue and Lucas Avenue, as far as and including Botha, Olive Schreiner, John Kotze and Beit Houses.
  • Server software updates: software on the servers which provide the following services will be updated, resulting in outages of up to 30 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)
  • Wi-Fi: software will be updated on Wi-Fi access points in the buildings listed below.  Wi-Fi services will be unavailable for 20 minutes.
    • 33 South St
    • Allen Flats
    • Chemical and Pharmaceutical Sciences
    • Founders Lodge
    • Highway Africa
    • Legal Aid
    • Maintenance stores
    • Old Laundry
    • Stockenstrom Place
  • Firewalls: software will be updated on the firewalls which connect the Internet to the campus, SEALS and public networks.  As the firewalls operate as a redundant pair, no noticeable outage is expected during this maintenance.

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.

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