DRAGNET GPU Cluster Specifications

Raw specifications of the cluster. More details can be found in the tender offer.

cluster achievable specifications
cluster user access

• 1 head node
• 1 processing node
• 23 worker nodes

dragnet.control.lofar: login, home dirs + file server (installed programs) (NFS), job scheduling

• Intel Xeon Haswell-EP E5-1620 v3, 4 cores (8 hw threads), 3.50 GHz
• 32 GiB RAM
• 2x 1 Gb eth network
• 2x 4 TB storage (RAID 1, i.e. 4 TB netto)

dragproc.control.lofar: central post-processing, database, reliable storage, secondary/backup node for login/file server/job scheduling

• dual Intel Xeon Haswell-EP E5-2630 v3, 16 cores (32 hw threads), 2.40 GHz
• 128 GiB RAM
• 2x 1 Gb eth network
• 10 Gb eth network
• 8x 4 TB storage (RAID 6, i.e. 24 TB netto) on /data

drg[01-23].control.lofar: bulk data processing, receive data from COBALT, scratch storage

• dual Intel Xeon Haswell-EP E5-2630 v3, 16 cores (32 hw threads), 2.40 GHz
• 4x NVIDIA GeForce GTX Titan X, 12 GiB RAM each (all GPUs total: 565.25 TFlop/s (FP32))
• 128 GiB RAM
• 2x 1 Gb eth network
• 10 Gb eth network
• 56 Gb FDR infiniband network
• 4x 4 TB storage (dual RAID-0, i.e. 16 TB netto; all nodes total: 368 TB) on /data1 and /data2 (Note: local per node and not redundant!)

• infiniband
• 10 Gb ethernet
• dual 1 Gb ethernet

• Mellanox MSX 6025F-1SFS - 36 port unmanaged FDR infiniband switch
• 5x 56G LAG to COBALT infiniband switch (~280 Gb)

• Supermicro SSE-X3348S Ethernet Switch; Ports: 48x 10 Gb, 4x 40 Gb, 2x 1 Gb
• 6x 10G LAG to LOFAR Core 10 Gb network

• 2x Supermicro SSE-G2252 Ethernet Switch

• 4 years support contract on the complete system (delivery was on Thu+Fri 9+10 July 2015)
• delivery + installation