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Opteron Cluster phoenix

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Hardware and Architecture

The HLRS DGRID Cluster platform consists of one front node for interactive access (forntend.dgrid.hlrs.de) and serveral compute nodes for execution of parallel programs.

Two different compute node CPU architecture types are installed:

  • IBM cell
  • Intel Xeon 5150 (woodcrest)


  • Operating System: ScientificLinux 4.4 on Intel based nodes
  • Operating System: Fedora Core5 on cell based nodes
  • Batchsystem: Torque/Maui
  • node-node interconnect: Infiniband + GigE
  • Local Disk for scratch on each node
  • Global Disk 100 TB
  • GPFS
  • OpenMPI
  • Compiler: Intel, GCC, Java

Short overview of installed nodes
Function Name CPU Memory Disk PBS properties Interconnect
Compute Nodes node01 - node28 Intel Xeon 5150 2.66 GHz 8 GB 160 GB dgrid GigE/Infiniband
Compute Nodes cell01 - cell07 Cell Broadband Engine 3.2 GHz 1GB 40 GB cell GigE/Infiniband
Login Node frontend Intel Xeon 5150 2.66 GHz 16 GB 250 GB - GigE/Infiniband
I/O Server data1 / data2 Intel Xeon 5130 2.0 GHz 16 GB 100 TB - GigE/Infiniband
Infrastructure (NTP,PBS,DNS,DHCP,FTP,GT4,...) some virtual XEN based hosts) Intel Xeon EM64T 3.4 GHz 8 GB 270 GB - GigE