Login node

Login node (teran.srce.hr) is located on virtualization VMware cluster. This configuration ensures high availability (HA) for all services such as: access to the cluster, personal data, job queuing system (Sun of Grid Engine) and supervision services (Ganglia).

File system

File system BeeGFS is used for storage of permanent (/home), temporary (/shared) user data and enables simultaneous access to data from login computer and all computer nodes. BeeGFS consists of 6 HP DL380 Gen10 servers providing a total of 765 TiB of space. The servers are connected to the nodes via 40 and 56 Gb/s Infiniband computer network and with login computer via 10 Gb/s Ethernet network.

Computer nodes

The total of 135 computer nodes provides users with:

• 270 CPU processors
• 3.100 CPU processor cores
• 12 graphics processors
• 16 TB RAM
• 756 TB shared data memory

1. 28 x HP ProLiant SL250s
   • 2 x Intel Xeon E5-2665
   • 64 GB RAM
   • 2 x 146 GB SAS (Serial Attached SCSI) HDD
   • 40 Gb/s Infiniband
2. 12 x HP ProLiant SL250s (12)
   • 2 x Intel Xeon E5-2640
   • 32 GB RAM
   • 2 x 146 GB SAS (Serial Attached SCSI) HDD
3. 8 x HP ProLiant SL230s Gen8
   • 2 x Intel Xeon E5-2670 v2
   • 128 GB RAM
   • 1 x 500 GB disk memory
   • 56 Gb/s Infiniband
4. 8 x HP ProLiant SL230s Gen8
   • combined into a single system image (SSI) using the ScaleMP system
   • 2 x Intel Xeon E5-2670 v2
   • 256 GB RAM
   • 1 x 500 GB disk memory
   • 56 Gb/s Infiniband
5. 76 x Lenovo NeXtScale nx360 M5
   • 2 x Intel Xeon E5-2683 v3
   • 128 GB RAM
   • 1 x 1 TB disk memory
   • 56 Gb/s Infiniband
6. 3 x Dell EMC PowerEdge C4140
   • 2 x Intel Xeon Silver 4114
   • 4 x NVIDIA Tesla V100
   • 384 GB RAM
   • 1 x 3,2 TB disk memory type NVMe SSD

Network infrastructure

Network infrastructure consists of:

2 x HP ProCurve 2848 1 Gb/s Ethernet switch (48 ports)
1 x Voltaire Grid Director QDR (40 Gb/s) Infiniband switch (36 ports)
6 x Mellanox SX6025 (56 Gb/s) Infiniband switch (36 ports)