---

GUIDE TO THE AURORA LINUX CLUSTER

This page is the main entry point to the support pages of the IBM Linux cluster at Aurora. Answers to many frequently asked questions can be found here. We will do our best to keep these pages up-to-date. Please read and consult these support pages regularly, especially when you have just started using the machine(s).

The name of the IBM 1350 cluster is: aurora.tuwien.ac.at

The systems are available to staff and students. In addition, the systems are available to partners and other projects.

Cluster targets a variety of applications.

User support. Questions and problems can be reported to lifka@vcpc.univie.ac.at and they will be handled as soon as possible. Working hours are roughly Monday-Friday 08:00-16:00.

Contents

• Basic information
  • A brief description of the installation
  • How to get an account on the machine
  • How to connect to the machine: Secure Shell

• Running jobs on the system
  • Job submission
  • File systems on the clusters
  • Per node memory configuration

• Programming the computer
  • Compilers and Languages
  • Compiling and running MPI programs
  • Performance optimization
    - Each compute node has a local disk (/scratch) that should be used for temporary storage if your executable is doing significant I/O. See also the FAQ.
  • FAQ for the cluster

• Applications. Most application software is installed under directory /opt/local and /usr/local.

• Other software (see also directory /local)
  • ATLAS ( documentation)