Hardware & Software

The hardware specifications for Cumulonimbus are as follows:

Login and HPC Nodes:

HP DL380 Servers:
32 cores each from 2 Intel(R) Xeon(R) CPU E5-2690 0 @ 2.90GHz
192 GB RAM from 24 X 8GB 1600 MHz DDR3 RAM
InfiniBand QDR network (40 GbE)

Compute Node Specs (96 in current production):

HP ProLiant SL230s Gen8 Servers:
16 cores each from 2 Intel Xeon CPU E5-2670 @ 2.60 GHz processors
128 GB RAM from 16 X 8GB 1600 MHz DDR3 RAM
InfiniBand QDR network (40 GbE)

Storage Server:
Dell R740xD2
32 cores each from 2 Intel(R) Xeon(R) Gold 6130 CPU @ 2.10GHz
512 GB RAM from 16 X 32GB 26666 MHz DDR4 RAM
336 TB Storage

The software specifications for Cumulonimbus are as follows:

Operating System – Rocky Linux 8.6 (Green Obsidian)
HPC Operating System – OpenHPC
Job Management System – Slurm
Interactive Web Portal – Open OnDemand