System Status

The tables below are updated every few minutes to show the current status of our supercomputing, data analysis, visualization resources, and other specialized nodes and systems. If the tables indicate a system is unavailable, check your email for timely updates via our Notifier service. Scheduled maintenance downtimes are announced in advance in the Daily Bulletin as well as in Notifier emails.

Derecho node status and queue activity

Last updated: 11:00 pm MST Fri Dec 12 2025 Up to date

Login Node Status Users Load
derecho1 UP 51 15.20 %
derecho2 UP 50 0.58 %
derecho3 UP 74 1.55 %
derecho4 UP 56 0.50 %
derecho5 UP 50 1.34 %
derecho6 UP 37 2.56 %
derecho7 UP 55 1.62 %
derecho8 UP 0 0.02 %
CPU Nodes
Offline 3 ( 0.1 %)
Running Jobs 2426 ( 97.5 %)
Free 59 ( 2.4 %)
GPU Nodes
Running Jobs 37 ( 45.1 %)
Free 45 ( 54.9 %)
Updated 11:00 pm MST Fri Dec 12 2025

Last updated: 11:00 pm MST Fri Dec 12 2025 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 392 869 470 2418 -
gpu 20 1 21 37 -
system 0 0 0 0 -
hybrid 0 0 0 0 -
pcpu 0 0 0 0 -
pgpu 0 0 0 0 -
gpudev 0 3 0 0 -
cpudev 44 1 59 54 -
repair 0 0 0 0 -
M3929683 0 0 0 0 -
Updated 11:00 pm MST Fri Dec 12 2025

Casper node status and queue activity

Last updated: 11:00 pm MST Fri Dec 12 2025 Up to date

Login Node Status Users Load
casper-login1 UP 115 26.9 %
casper-login2 UP 66 287.7 %
HTC Nodes
1038 of 5812 CPUs in use ( 17.9 %)
Partially Allocated 55 ( 46.6 %)
Free 63 ( 53.4 %)
Large Memory Nodes
Partially Allocated 3 ( 37.5 %)
Free 5 ( 62.5 %)
GP100 Visualization Nodes
2 of 54 GPU sessions in use ( 3.7 %)
Partially Allocated 1 ( 11.1 %)
Free 8 ( 88.9 %)
L40 Visualization Nodes
2 of 42 GPU sessions in use ( 4.8 %)
Partially Allocated 1 ( 16.7 %)
Free 5 ( 83.3 %)
V100 GPU Nodes
2 of 52 GPUs in use ( 3.8 %)
Partially Allocated 2 ( 25.0 %)
Free 6 ( 75.0 %)
A100 GPU Nodes
6 of 34 GPUs in use ( 17.6 %)
Partially Allocated 2 ( 20.0 %)
Offline 1 ( 10.0 %)
Free 7 ( 70.0 %)
H100 GPU Nodes
6 of 8 GPUs in use ( 75.0 %)
Partially Allocated 2 (100.0 %)
RDA Nodes
Partially Allocated 4 ( 50.0 %)
Fully Allocated 1 ( 12.5 %)
Free 3 ( 37.5 %)
JupyterHub Login Nodes
Partially Allocated 5 ( 29.4 %)
Fully Allocated 12 ( 70.6 %)
Updated 11:00 pm MST Fri Dec 12 2025

Last updated: 11:00 pm MST Fri Dec 12 2025 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 412 2 75 1038 -
vis 4 0 0 15 -
largemem 3 0 5 3 -
rda 0 0 0 0 -
jhublogin 256 0 0 512 -
system 0 0 0 0 -
gdex 65 1 0 201 -
nvgpu 7 0 2 169 -
amdgpu 0 0 0 0 -
Updated 11:00 pm MST Fri Dec 12 2025

V100 node status

Last updated: 11:00 pm MST Fri Dec 12 2025 Up to date

V100 Node State # GPUs # Used # Avail
casper30 free 8 0 8
casper31 free 8 0 8
casper24 free 8 0 8
casper28 free 8 0 8
casper36 free 4 1 3
casper08 free 8 0 8
casper29 free 4 1 3
casper25 free 4 0 4
Updated 11:00 pm MST Fri Dec 12 2025
A100 Node State # GPUs # Used # Avail
casper38 free 4 0 4
casper42 free 4 0 4
casper37 offline 4 0 4
casper39 free 4 2 2
casper40 free 4 0 4
casper43 free 4 0 4
casper18 free 1 0 1
casper21 free 1 0 1
casper41 free 4 0 4
casper44 full 4 4 0
Updated 11:00 pm MST Fri Dec 12 2025
H100 Node State # GPUs # Used # Avail
casper57 full 4 4 0
casper58 free 4 2 2
Updated 11:00 pm MST Fri Dec 12 2025

GLADE file spaces and Campaign Storage

Individual files are removed from the /glade/scratch space automatically if they have not been accessed (for example: modified, read, or copied) in more than 120 days.

Last updated: 11:00 pm MST Fri Dec 12 2025 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 107 150 71%
/glade/u/apps 3 10 24%
/glade/work 1,557 4,096 38%
/glade/derecho/scratch 30,738 55,814 56%
/glade/campaign 125,385 135,030 93%
Updated 11:00 pm MST Fri Dec 12 2025