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: 12:20 pm MST Thu Dec 4 2025 Up to date

Login Node Status Users Load
derecho1 UP 105 5.21 %
derecho2 UP 99 3.02 %
derecho3 UP 122 13.12 %
derecho4 UP 109 2.93 %
derecho5 UP 84 6.42 %
derecho6 UP 93 20.28 %
derecho7 UP 118 5.98 %
derecho8 UP 0 0.00 %
CPU Nodes
Offline 8 ( 0.3 %)
Running Jobs 2466 ( 99.1 %)
Free 14 ( 0.6 %)
GPU Nodes
Running Jobs 82 (100.0 %)
Updated 12:20 pm MST Thu Dec 4 2025

Last updated: 12:20 pm MST Thu Dec 4 2025 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 650 463 312 2461 -
gpu 58 2 24 80 -
system 0 1 0 0 -
hybrid 0 0 0 0 -
pcpu 0 0 0 0 -
pgpu 1 0 0 1 -
gpudev 1 3 0 1 -
cpudev 215 0 118 221 -
repair 0 0 0 0 -
Updated 12:20 pm MST Thu Dec 4 2025

Casper node status and queue activity

Last updated: 12:20 pm MST Thu Dec 4 2025 Up to date

Login Node Status Users Load
casper-login1 UP 154 54.9 %
casper-login2 UP 140 43.4 %
HTC Nodes
1520 of 5812 CPUs in use ( 26.2 %)
Partially Allocated 89 ( 75.4 %)
Offline 1 ( 0.8 %)
Free 28 ( 23.7 %)
Large Memory Nodes
Partially Allocated 2 ( 25.0 %)
Free 6 ( 75.0 %)
GP100 Visualization Nodes
1 of 54 GPU sessions in use ( 1.9 %)
Partially Allocated 1 ( 11.1 %)
Free 8 ( 88.9 %)
L40 Visualization Nodes
6 of 42 GPU sessions in use ( 14.3 %)
Partially Allocated 1 ( 16.7 %)
Free 5 ( 83.3 %)
V100 GPU Nodes
15 of 52 GPUs in use ( 28.8 %)
Partially Allocated 4 ( 50.0 %)
Free 4 ( 50.0 %)
A100 GPU Nodes
13 of 34 GPUs in use ( 38.2 %)
Partially Allocated 5 ( 50.0 %)
Offline 1 ( 10.0 %)
Free 4 ( 40.0 %)
H100 GPU Nodes
6 of 8 GPUs in use ( 75.0 %)
Partially Allocated 1 ( 50.0 %)
Fully Allocated 1 ( 50.0 %)
RDA Nodes
Partially Allocated 4 ( 50.0 %)
Free 4 ( 50.0 %)
JupyterHub Login Nodes
Partially Allocated 3 ( 17.6 %)
Fully Allocated 14 ( 82.4 %)
Updated 12:20 pm MST Thu Dec 4 2025

Last updated: 12:20 pm MST Thu Dec 4 2025 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 580 102 400 1520 -
vis 7 0 0 10 -
largemem 2 0 0 34 -
rda 0 0 0 10 -
jhublogin 290 0 0 848 -
system 0 0 0 0 -
gdex 32 0 0 122 -
nvgpu 20 0 0 186 -
amdgpu 0 0 0 0 -
R416808 0 0 0 0 -
Updated 12:20 pm MST Thu Dec 4 2025

V100 node status

Last updated: 12:20 pm MST Thu Dec 4 2025 Up to date

V100 Node State # GPUs # Used # Avail
casper30 full 8 8 0
casper31 free 8 0 8
casper24 free 8 0 8
casper28 free 8 0 8
casper36 free 4 3 1
casper08 free 8 0 8
casper29 free 4 2 2
casper25 free 4 2 2
Updated 12:20 pm MST Thu Dec 4 2025
A100 Node State # GPUs # Used # Avail
casper38 free 4 0 4
casper42 free 4 3 1
casper37 offline 4 0 4
casper39 free 4 0 4
casper40 free 4 0 4
casper43 free 4 0 4
casper18 full 1 1 0
casper21 full 1 1 0
casper41 full 4 4 0
casper44 full 4 4 0
Updated 12:20 pm MST Thu Dec 4 2025
H100 Node State # GPUs # Used # Avail
casper57 free 4 2 2
casper58 full 4 4 0
Updated 12:20 pm MST Thu Dec 4 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: 12:00 pm MST Thu Dec 4 2025 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 106 150 71%
/glade/u/apps 3 10 24%
/glade/work 1,546 4,096 38%
/glade/derecho/scratch 29,991 55,814 55%
/glade/campaign 125,068 135,030 93%
Updated 12:00 pm MST Thu Dec 4 2025