Thunderbird Linux Cluster

Initial System: 4, 096 dual CPU compute nodes, 8 user/login nodes, 2 IB subnet management nodes, 16 administration/service nodes. Subsequently added 384 compute nodes for 1500. There are also 128 node and 32 node development clusters.

Nodes:
Dell PowerEdge 1850 1U Servers
Dual Intel Xeon EM64T 3.6GHz processors
6 GB RAM
73 GB SCSI Hard drive

System Parameters:

• 14.4 GF/s dual socket 3.6 GHz single core Intel SMP nodes with 6.4 GB/s memory BW, DDR-2 400 SDRAM (memory B:F=0.42, BW B:F=0.44)
• < 5.0 micro-sec MPI latency and 1.8 GB/s Bandwidth over 4X InfiniBand
• PCI-Express, 4x Single Data Rate with a 2:1 oversubscription (50% blocking)
• Gb-Enet and IB links from each Login node.
• Local disk for swap and root partitions, fallback OS image
• Remote/Network boot
• Serial over LAN
• Lustre storage ~120 TB capacity and 6.0 GB/s BW
• Panasas storage ~50 TB capacity and 4.0 GB/s BW

For more complete information see: http://tbirdweb.sandia.gov