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: 7:20 pm MST Sat Feb 7 2026 Up to date

Login Node Status Users Load
derecho1 UP 57 2.28 %
derecho2 UP 44 2.23 %
derecho3 UP 33 1.91 %
derecho4 UP 46 3.27 %
derecho5 UP 53 0.85 %
derecho6 UP 49 1.12 %
derecho7 UP 51 2.53 %
derecho8 UP 0 0.00 %
CPU Nodes
Offline 1 ( 0.0 %)
Running Jobs 2446 ( 98.3 %)
Free 41 ( 1.6 %)
GPU Nodes
Running Jobs 40 ( 48.8 %)
Free 42 ( 51.2 %)
Updated 7:20 pm MST Sat Feb 7 2026

Last updated: 7:20 pm MST Sat Feb 7 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 261 521 613 2444 -
gpu 27 1 0 40 -
system 0 0 0 0 -
hybrid 0 0 0 0 -
pcpu 0 0 0 0 -
pgpu 0 0 0 0 -
gpudev 0 0 0 0 -
cpudev 421 7 436 426 -
repair 0 0 0 0 -
Updated 7:20 pm MST Sat Feb 7 2026

Casper node status and queue activity

Last updated: 7:20 pm MST Sat Feb 7 2026 Up to date

Login Node Status Users Load
casper-login1 UP - 0.0 %
casper-login2 UP - 0.0 %
HTC Nodes
2004 of 5812 CPUs in use ( 34.5 %)
Partially Allocated 60 ( 50.8 %)
Free 58 ( 49.2 %)
Large Memory Nodes
Partially Allocated 8 (100.0 %)
GP100 Visualization Nodes
0 of 54 GPU sessions in use ( 0.0 %)
Free 9 (100.0 %)
L40 Visualization Nodes
0 of 42 GPU sessions in use ( 0.0 %)
Free 6 (100.0 %)
V100 GPU Nodes
5 of 52 GPUs in use ( 9.6 %)
Partially Allocated 2 ( 25.0 %)
Down 1 ( 12.5 %)
Offline 1 ( 12.5 %)
Free 4 ( 50.0 %)
A100 GPU Nodes
22 of 34 GPUs in use ( 64.7 %)
Partially Allocated 8 ( 80.0 %)
Offline 1 ( 10.0 %)
Free 1 ( 10.0 %)
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 3 ( 37.5 %)
Free 5 ( 62.5 %)
JupyterHub Login Nodes
Partially Allocated 4 ( 23.5 %)
Fully Allocated 11 ( 64.7 %)
Offline 2 ( 11.8 %)
Updated 7:20 pm MST Sat Feb 7 2026

Last updated: 7:20 pm MST Sat Feb 7 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 322 2 11 2004 -
vis 0 0 0 0 -
largemem 8 2 2 34 -
rda 0 0 0 0 -
jhublogin 235 0 0 470 -
system 0 0 0 0 -
gdex 44 0 0 126 -
nvgpu 19 0 0 164 -
amdgpu 0 0 0 0 -
R2024160 0 0 0 0 -
Updated 7:20 pm MST Sat Feb 7 2026

V100 node status

Last updated: 7:20 pm MST Sat Feb 7 2026 Up to date

V100 Node State # GPUs # Used # Avail
casper30 free 8 0 8
casper31 free 8 0 8
casper24 offline 8 0 8
casper28 free 8 0 8
casper36 full 4 4 0
casper08 free 8 0 8
casper29 free 4 1 3
casper25 down 4 0 4
Updated 7:20 pm MST Sat Feb 7 2026
A100 Node State # GPUs # Used # Avail
casper38 full 4 4 0
casper42 free 4 2 2
casper37 offline 4 0 4
casper39 free 4 2 2
casper40 full 4 4 0
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 7:20 pm MST Sat Feb 7 2026
H100 Node State # GPUs # Used # Avail
casper57 free 4 2 2
casper58 full 4 4 0
Updated 7:20 pm MST Sat Feb 7 2026

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: 7:00 pm MST Sat Feb 7 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 106 150 71%
/glade/u/apps 3 10 25%
/glade/work 1,541 4,096 38%
/glade/derecho/scratch 30,973 55,814 57%
/glade/campaign 126,211 135,030 94%
Updated 7:00 pm MST Sat Feb 7 2026