Campus Management
© Lukas Blazek, unsplash.com
Facts and Figures

Numerical snapshot of the ZECM as the University’s central IT service provider

TUB accounts (updated September 2022)

Number of TUB accounts

  •  85,656 including service, external, and temporary accounts

Virtualization (updated September 2022)

Number of virtual servers

  • VMware: 870
  • OpenStack: 405
  • HyperV: 210

Number of virtual PCs (View)

  • 230 View

RAM for virtualization

  • approx. 37 TB

Storage capacity

  • GSS:  315 TB net (630 TB gross)
  • SAN:  900 TB net (1.8 PB gross)
  • Capacity of the back-up tape storage without compression  1,585 PB gross

tubCloud (updated September 2022)

tubCloud (updated September 2022)

Absolute number of users: 30,500

Average number of users online at any time: 2,000

Standard tubCloud quota

  • Students 50 GB
  • Beschäftigte   200 GB
  • Oganizational units 500 GB

Number of files in the database: 350 million

Size of database: 160 GB

WLAN/WiFi (updated September 2022)

  • 2 wireless controllers as clusters
  • 1,990 access points
    • 84 buildings
    • 424 floors

Exchange email (updated September 2022)

  • 40,844 student mailboxes
  • 5,488 employee mailboxes
  • 2,940 student assistant mailboxes
  • 2,315 mailboxes for other TU members                                      
  • 661 Exchange resources
  • 1,949 team mailboxes
  • 54,197 mailboxes total

Computer lab (updated September 2022)

  • 50 computers
  • Parent-child room
  • Group work room
  • Opening hours 10-16:00

ZECM support (updated September 2022)

  • IT Service Desk opening hours Monday - Friday 10-16:00
  • Hotline: 9-16:00
  • ZUV hotline: 7-16:00