Student Login Issues

If you are having trouble logging in to your student email or other SE web resources, please clear your browser cache and restart the browser, use an incognito/private window, or select “Use Another Account” on the login screen and re-enter your credentials. These steps should restore access on your device.

Skip to content

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