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: 5:30 am MST Fri Jan 2 2026 Up to date

Login Node Status Users Load
derecho1 UP 30 1.77 %
derecho2 UP 22 0.99 %
derecho3 UP 31 2.06 %
derecho4 UP 34 0.23 %
derecho5 UP 41 2.30 %
derecho6 UP 47 0.81 %
derecho7 UP 44 3.20 %
derecho8 UP 0 0.05 %
CPU Nodes
Offline 7 ( 0.3 %)
Running Jobs 2478 ( 99.6 %)
Free 3 ( 0.1 %)
GPU Nodes
Offline 2 ( 2.4 %)
Running Jobs 15 ( 18.3 %)
Free 65 ( 79.3 %)
Updated 5:30 am MST Fri Jan 2 2026

Last updated: 5:30 am MST Fri Jan 2 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 178 677 748 2476 -
gpu 6 1 17 15 -
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 4 0 59 4 -
repair 0 0 0 0 -
Updated 5:30 am MST Fri Jan 2 2026

Casper node status and queue activity

Last updated: 5:30 am MST Fri Jan 2 2026 Up to date

Login Node Status Users Load
casper-login1 UP 60 46.7 %
casper-login2 UP 85 73.6 %
HTC Nodes
100 of 5812 CPUs in use ( 1.7 %)
Partially Allocated 8 ( 6.8 %)
Free 110 ( 93.2 %)
Large Memory Nodes
Partially Allocated 3 ( 37.5 %)
Free 5 ( 62.5 %)
GP100 Visualization Nodes
1 of 54 GPU sessions in use ( 1.9 %)
Partially Allocated 1 ( 11.1 %)
Free 8 ( 88.9 %)
L40 Visualization Nodes
1 of 42 GPU sessions in use ( 2.4 %)
Partially Allocated 1 ( 16.7 %)
Free 5 ( 83.3 %)
V100 GPU Nodes
11 of 52 GPUs in use ( 21.2 %)
Partially Allocated 4 ( 50.0 %)
Free 4 ( 50.0 %)
A100 GPU Nodes
4 of 34 GPUs in use ( 11.8 %)
Fully Allocated 1 ( 10.0 %)
Offline 1 ( 10.0 %)
Free 8 ( 80.0 %)
H100 GPU Nodes
4 of 8 GPUs in use ( 50.0 %)
Fully Allocated 1 ( 50.0 %)
Free 1 ( 50.0 %)
RDA Nodes
Partially Allocated 3 ( 37.5 %)
Free 5 ( 62.5 %)
JupyterHub Login Nodes
Partially Allocated 12 ( 70.6 %)
Fully Allocated 4 ( 23.5 %)
Free 1 ( 5.9 %)
Updated 5:30 am MST Fri Jan 2 2026

Last updated: 5:30 am MST Fri Jan 2 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 25 6 81 100 -
vis 2 0 0 2 -
largemem 3 0 5 38 -
rda 0 0 0 0 -
jhublogin 163 0 0 326 -
system 0 0 0 0 -
gdex 20 0 0 75 -
nvgpu 6 3 4 289 -
amdgpu 0 0 0 0 -
R1078008 0 0 0 0 -
Updated 5:30 am MST Fri Jan 2 2026

V100 node status

Last updated: 5:30 am MST Fri Jan 2 2026 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 3 1
casper08 free 8 0 8
casper29 full 4 4 0
casper25 free 4 2 2
Updated 5:30 am MST Fri Jan 2 2026
A100 Node State # GPUs # Used # Avail
casper38 free 4 0 4
casper42 full 4 4 0
casper37 down 4 0 4
casper39 free 4 0 4
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 free 4 0 4
Updated 5:30 am MST Fri Jan 2 2026
H100 Node State # GPUs # Used # Avail
casper57 full 4 4 0
casper58 free 4 0 4
Updated 5:30 am MST Fri Jan 2 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: 5:00 am MST Fri Jan 2 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 107 150 72%
/glade/u/apps 3 10 24%
/glade/work 1,571 4,096 39%
/glade/derecho/scratch 30,248 55,814 55%
/glade/campaign 126,872 135,030 94%
Updated 5:00 am MST Fri Jan 2 2026