noticeboard.ru.ac.za

2016/05/03 - May scheduled maintenance
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During the Tuesday, May 3rd 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:

  • Edge routers: software on the routers connecting the campus, public and SEALS networks to the Internet will be updated.  Two outages of around fifteen minutes are expected, during which time Internet access will be unavailable.
  • 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
    • E-mail mailboxes
    • Webmail
    • Mailing lists
    • SMS
    • Apple Software Update Server
    • Provisioning (web proxy autodiscovery, telephone provisioning)
    • Wi-Fi and VPN authentication
    • CHERTL Evaluation Assistant
    • Network graphs
    • Guest network access
    • 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)
    • Home directories (Gnu, Jackal)
  • Distribution routers: software on the distribution routers for the main campus and hill campus sectors will be updated.  Outages of around fifteen minutes are expected, during which time no network services (including IP telephones and Wi-Fi access) will be available within the affected sectors.

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. More information about maintenance windows and maintenance periods.

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