Operation

This service is provided on redundant servers in the data centers Freihaus, Wiedner Hauptstraße 8-10, and Gußhaus, Gußhausstraße 27-29. 

The basis is VMware ESXi for the hypervisor and SANsymphony for the storage.
An ISO image with a startup package for the operating system of your choice (CentOS, Debian or Windows Server) is provided on the DVD drive of your virtual machine. The structure of the system makes it possible to perform routine maintenance work without interrupting operations.

If required, additional systems care can be ordered.

The licensing of the software you use is not part of this service.

The guest operating system in the virtual machine must be operated independently by the ordering structural element (by the ordering organizational unit). The name of the machine in the guest operating system must not be changed by the operator without consulting TU.it, as in this case extensive adaptations in different documentation systems are required.

The first entry in the TUnet database is made as part of the virtual machine setup by TU.it.

It is strongly recommended to install the latest version of VMware tools in the guest operating system to ensure trouble-free support of the guest operating system by the VMware ESXi hypervisor.
The virtualization platform is suitable for operating servers with moderate resource requirements but high availability requirements. 
The virtualization platform is not suitable for the operation of servers that are to support applications with very high demands on computing power and/or storage performance, such as simulation calculations, high-performance databases or storage for very large amounts of data.

For the operation of virtual machines, IP address ranges are assigned for structural units (organizational units) in a special server network IP address range. Please note that it is not possible to operate your virtual server within your institute address range! 

Access to your virtual machines is possible via vCenter. This enables you to operate your virtual machines independently and also to stop and start them.

You can use an upTUdate authorization group Ennn.x.TUhost.adm, which you make known to TU.it, to control yourself who has administrator access to your virtual machine. This means that by adding or removing colleagues from the upTUdate group, you manage your administrator group yourself. In addition, console access is restricted to certain IP addresses, which you must specify when ordering your virtual machine.

The values for the computing power (in number of vCores) as well as the size of RAM or disk space you specify when ordering can be adapted to your current requirements at any time.

Access to the virtualization infrastructure for operational and maintenance purposes is only technically possible for employees of the service provider directly entrusted with these tasks.

Access to virtual machine management systems is restricted to individual IP addresses provided by the customer.

The service provider operates a backup system for disaster recovery of the complete virtual machines with a daily backup and a retention period of 30 days. Customers are offered the opportunity to restore individual files or the entire virtual machine from a backup on their own. It should be noted that within the group Ennn.x.TUhost.adm all persons have the same access rights and thus implicitly have complete access to all data of all virtual machines administrable for the respective group via the restore functions.