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Supercomputer Services Group - Systems
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NCAR Supercomputers
Here you will find a brief overview of the current family of NCAR
supercomputers managed by SSG at the NCAR Mesa Lab.
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| IBM AIX-Based Clusters |
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The Blueice Cluster
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| Architecture: |
IBM POWER5+ Cluster |
| Software: |
AIX 5.3, CSM, GPFS, LSF |
| Nodes: |
112 p575+ |
| PEs: |
1744 1.9GHz CPUs |
| Interconnect: |
HPS Dual-Link (Federation) |
| Disk Subsystem: |
150TB FibreChannel (DS4800) |
| Purpose: |
General Purpose Computational Resource |
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The Bluevista Cluster
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| Architecture: |
IBM POWER5 Cluster |
| Software: |
AIX 5.2, CSM, GPFS, LSF |
| Nodes: |
78 p575 |
| PEs: |
624 1.9GHz CPUs |
| Interconnect: |
HPS Dual-Link (Federation) |
| Disk Subsystem: |
55TB FibreChannel |
| Purpose: |
General Purpose Computational Resource |
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The Bluesky Cluster
Decommissioned On March 5, 2007
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| Architecture: |
IBM POWER4 Cluster 1600 |
| Software: |
AIX 5.1, PSSP, GPFS, LoadLeveler/BPS |
| Nodes: |
125 p690 (50 Frames)
76 8-way (LPAR) & 25 32-way (SMP) |
| PEs: |
1600 1.3GHz CPUs |
| Interconnect: |
Dual-Plane SP Switch2 (Colony) |
| Disk Subsystem: |
15TB FibreChannel |
| Purpose: |
General Purpose Computational Resource |
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The Blackforest Cluster
Decommissioned On January 12, 2005
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| Architecture: |
IBM POWER3 RS/6000 SP Cluster |
| Software: |
AIX, PSSP, GPFS, LoadLeveler/BPS |
| Nodes: |
318 (315 WinterHawkII & 3 NightHawkII) |
| Interconnect: |
Single-Plane SP Switch (TBMX) |
| Disk Subsystem: |
SSA |
| Lifetime: |
5.4 Years
30.5 Million CPU Hours Of Work
600,000 Batch Jobs
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| Average Job: |
50 CPU Hours
27.28 CPUs (7 Nodes)
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| Purpose: |
First General Purpose Production Cluster At NCAR |
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| IBM Linux-Based Clusters |
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The Lightning Cluster
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| Architecture: |
IBM Cluster 1350 |
| Software: |
SuSE SLES9 Linux, CSM, GPFS, LSF |
| Nodes: |
133 (130 AMD64 & 3 Xeon) |
| PEs: |
266 2.2GHz(AMD64)/3.0GHz(Xeon) CPUs |
| Interconnect: |
Single-Stage Myrinet |
| Disk Subsystem: |
~6TB SATA |
| Purpose: |
General Purpose Computational Resource |
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The Pegasus Cluster
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| Architecture: |
IBM Cluster 1350 |
| Software: |
SuSE SLES9 Linux, CSM, GPFS, LSF |
| Nodes: |
71 (66 AMD64 & 5 Xeon) |
| PEs: |
142 2.2GHz(AMD64)/3.0GHz(Xeon) CPUs |
| Interconnect: |
Single-Stage Myrinet |
| Disk Subsystem: |
~6TB SATA |
| Purpose: |
Operational Forecasts (Twice-Daily) For The
Antartic Region (NSF Office Of Polar Programs) |
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| Aspen Systems Linux-Based Clusters |
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The Coral Cluster
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| Architecture: |
Aspen Systems |
| Software: |
SuSE SLES9 Linux, ABC, NFS, LSF |
| Nodes: |
24 Computational
Plus 2 HP Visualization Nodes Running RHEL3 |
| PEs: |
48 3.2GHz Nacona CPUs (Computational) |
| Interconnect: |
InfiBand |
| Disk Subsystem: |
~6TB SATA |
| Purpose: |
Dedicated Computational AndVisualization Cluster For The
Institute For Mathematics Applied To The Geosciences (IMAGe) |
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