noticeboard.ru.ac.za

2021/08/03 - Scheduled maintenance, 3 August
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During the Tuesday, 3 August 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:

  • 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.

    • 2 and 3 Croft St

    • 23 and 33 South St

    • 19 Somerset St

    • Allen Flats

    • Anthropology GIS lab

    • Building Maintenance

    • Continuing Education Centre

    • Chessington Flats

    • Courtenay Latimer dining hall

    • Chemical and Pharmaceutical Sciences Building

    • Day Care Centre

    • Drostdy dining hall

    • Founders Lodge

    • Furniture and Equipment Stores

    • Grounds and Gardens HQ

    • Health Care Centre

    • Hobson dining hall

    • ISER annexe

    • John Kotze annexe

    • Kimberley dining hall

    • Law Clinic

    • Maintenance Stores

    • Mandela dining hall

    • Old Laundry

    • Royal Engineers Building

    • St Mary dining hall

    • Stockenstrom Place

    • Waainek research site

  • VPN service: software on the router which provides VPN services will be updated. An outage of ten minutes is expected.

  • Telephones: software on the router which connects the PBX to our upstream provider will be updated. An outage of ten minutes is expected, during which time ongoing calls will be disconnected and it will not be possible to place or receive external calls.

  • Wireless links: software on point-to-point wireless link devices will be updated.  This will cause network outages (including IP telephones and Wi-Fi access) of up to 20 minutes in the following buildings:

    • 1 and 3 On Luke

    • Mandalay off High

  • Single Sign On service: the software which provides the single sign on service will be updated. There may be times when it will not be possible to login to services which use the single sign on service, such as RUconnected, ROSS or library electronic resources, among others, at times during the evening.

  • 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)

  • 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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