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Access and usage models

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Please find more information in the online documentation of your selected system.


Access to the HLRS compute servers is possible using following methods

  • Interactive access using ssh other protocols like telnet, rsh ... are not supported.
  • High performance data transfer using GridFTP

How to get an account

Following link has to be integrated http://wwwalt.hlrs.de/organization/sos/puma/services/user-projects/user-access-and-user-management/


In general three types of jobs are supported

  • Interactive This jobs are intended for small tests and development tasks like debugging. Resources, like number of nodes, memory, cpu-time are very limited for this type of jobs.
  • Batch Jobs This type of jobs is used for production runs
  • Heterogenous Jobs This special type of batch jobs utilizes multiple type of execution nodes within a job. For example graphic nodes and cluster nodes.

Data Handling

The user HOME space is limited in terms of size and performance. Computational jobs run inside a Work_space. This Work_space is for active projects only and has a limited life time. If a project gets inactive for some reason, the user has to save its data to an archive system e.g. High Performance Storage System (HPSS).

Mailing List

to provide users with important information about HWW systems like announcements, problems, emergency maintenance, a mailinglist has been established:

Subscribe to the mailing list via web interface hwwsysnews or write an email to hwwsysnews-request@listserv.uni-stuttgart.de with the subject subscribe.