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: 1:00 am MST Mon Dec 8 2025 Up to date

Login Node Status Users Load
derecho1 UP 65 4.01 %
derecho2 UP 65 2.00 %
derecho3 UP 77 3.38 %
derecho4 UP 46 8.03 %
derecho5 UP 38 0.83 %
derecho6 UP 46 10.02 %
derecho7 UP 58 1.59 %
derecho8 UP 0 0.00 %
CPU Nodes
Offline 15 ( 0.6 %)
Running Jobs 2447 ( 98.4 %)
Free 26 ( 1.0 %)
GPU Nodes
Offline 3 ( 3.7 %)
Running Jobs 45 ( 54.9 %)
Free 34 ( 41.5 %)
Updated 1:00 am MST Mon Dec 8 2025

Last updated: 1:00 am MST Mon Dec 8 2025 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 330 645 418 2453 -
gpu 17 2 20 44 -
system 0 0 0 0 -
hybrid 0 0 0 0 -
pcpu 0 0 0 0 -
pgpu 1 0 0 1 -
gpudev 0 0 0 0 -
cpudev 96 0 29 98 -
repair 0 0 0 0 -
R3838908 0 1 0 0 -
Updated 1:00 am MST Mon Dec 8 2025

Casper node status and queue activity

Last updated: 1:00 am MST Mon Dec 8 2025 Up to date

Login Node Status Users Load
casper-login1 UP 113 30.8 %
casper-login2 UP 90 70.0 %
HTC Nodes
392 of 5812 CPUs in use ( 6.7 %)
Partially Allocated 38 ( 32.2 %)
Free 80 ( 67.8 %)
Large Memory Nodes
Partially Allocated 2 ( 25.0 %)
Free 6 ( 75.0 %)
GP100 Visualization Nodes
0 of 54 GPU sessions in use ( 0.0 %)
Free 9 (100.0 %)
L40 Visualization Nodes
2 of 42 GPU sessions in use ( 4.8 %)
Partially Allocated 1 ( 16.7 %)
Free 5 ( 83.3 %)
V100 GPU Nodes
4 of 52 GPUs in use ( 7.7 %)
Partially Allocated 2 ( 25.0 %)
Free 6 ( 75.0 %)
A100 GPU Nodes
15 of 34 GPUs in use ( 44.1 %)
Partially Allocated 6 ( 60.0 %)
Offline 1 ( 10.0 %)
Free 3 ( 30.0 %)
H100 GPU Nodes
0 of 8 GPUs in use ( 0.0 %)
Free 2 (100.0 %)
RDA Nodes
Partially Allocated 2 ( 25.0 %)
Fully Allocated 1 ( 12.5 %)
Free 5 ( 62.5 %)
JupyterHub Login Nodes
Partially Allocated 8 ( 47.1 %)
Fully Allocated 9 ( 52.9 %)
Updated 1:00 am MST Mon Dec 8 2025

Last updated: 1:00 am MST Mon Dec 8 2025 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 178 1 395 392 -
vis 2 0 0 17 -
largemem 2 0 5 4 -
rda 0 0 0 10 -
jhublogin 282 0 0 832 -
system 0 0 0 0 -
gdex 38 0 0 136 -
nvgpu 8 0 0 113 -
amdgpu 1 0 0 32 -
R416808 0 0 0 0 -
Updated 1:00 am MST Mon Dec 8 2025

V100 node status

Last updated: 1:00 am MST Mon Dec 8 2025 Up to date

V100 Node State # GPUs # Used # Avail
casper30 free 8 2 6
casper31 free 8 0 8
casper24 free 8 0 8
casper28 free 8 0 8
casper36 free 4 0 4
casper08 free 8 0 8
casper29 free 4 2 2
casper25 free 4 0 4
Updated 1:00 am MST Mon Dec 8 2025
A100 Node State # GPUs # Used # Avail
casper38 full 4 4 0
casper42 free 4 1 3
casper37 offline 4 0 4
casper39 free 4 1 3
casper40 free 4 0 4
casper43 free 4 0 4
casper18 full 1 1 0
casper21 free 1 0 1
casper41 full 4 4 0
casper44 full 4 4 0
Updated 1:00 am MST Mon Dec 8 2025
H100 Node State # GPUs # Used # Avail
casper57 free 4 0 4
casper58 free 4 0 4
Updated 1:00 am MST Mon Dec 8 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: 1:00 am MST Mon Dec 8 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 1,550 4,096 38%
/glade/derecho/scratch 30,540 55,814 56%
/glade/campaign 125,054 135,030 93%
Updated 1:00 am MST Mon Dec 8 2025