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: 10:40 pm MDT Sun Jul 19 2026 Up to date

Login Node Status Users Load
derecho1 UP 52 4.03 %
derecho2 UP 54 20.59 %
derecho3 UP 43 2.13 %
derecho4 UP 64 5.00 %
derecho5 UP 30 9.54 %
derecho6 UP 44 0.73 %
derecho7 UP 52 2.38 %
derecho8 UP 0 0.01 %
CPU Nodes
Reserved 1 ( 0.0 %)
Offline 12 ( 0.5 %)
Running Jobs 2469 ( 99.2 %)
Free 6 ( 0.2 %)
GPU Nodes
Running Jobs 41 ( 50.0 %)
Free 41 ( 50.0 %)
Updated 10:40 pm MDT Sun Jul 19 2026

Last updated: 10:40 pm MDT Sun Jul 19 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 176 494 672 2472 -
gpu 31 3 83 41 -
system 0 0 0 0 -
hybrid 0 0 0 0 -
pcpu 0 0 0 0 -
pgpu 0 0 0 0 -
gpudev 2 0 1 2 -
cpudev 9 1 41 9 -
repair 0 0 0 0 -
S6026601 0 0 0 0 -
R6722343 1 0 0 1 -
R6758183 0 0 0 0 -
R6758184 0 0 0 0 -
R6758185 0 0 0 0 -
R6758187 0 0 0 0 -
R6758522 0 0 0 0 -
Updated 10:40 pm MDT Sun Jul 19 2026

Casper node status and queue activity

Last updated: 10:40 pm MDT Sun Jul 19 2026 Up to date

Login Node Status Users Load
crlogin1 UP 64 55.1 %
crlogin2 UP 69 21.5 %
crlogin3 UP 39 12.4 %
HTC Nodes
360 of 5812 CPUs in use ( 6.2 %)
Partially Allocated 14 ( 11.9 %)
Fully Allocated 1 ( 0.8 %)
Free 103 ( 87.3 %)
Large Memory Nodes
Free 8 (100.0 %)
GP100 Visualization Nodes
0 of 54 GPU sessions in use ( 0.0 %)
Free 9 (100.0 %)
L40 Visualization Nodes
1 of 42 GPU sessions in use ( 2.4 %)
Partially Allocated 1 ( 16.7 %)
Free 5 ( 83.3 %)
V100 GPU Nodes
9 of 52 GPUs in use ( 17.3 %)
Partially Allocated 6 ( 75.0 %)
Offline 1 ( 12.5 %)
Free 1 ( 12.5 %)
A100 GPU Nodes
12 of 32 GPUs in use ( 37.5 %)
Partially Allocated 2 ( 25.0 %)
Fully Allocated 1 ( 12.5 %)
Free 5 ( 62.5 %)
H100 GPU Nodes
1 of 8 GPUs in use ( 12.5 %)
Partially Allocated 1 ( 50.0 %)
Offline 1 ( 50.0 %)
RDA Nodes
Partially Allocated 3 ( 37.5 %)
Free 5 ( 62.5 %)
JupyterHub Login Nodes
Partially Allocated 3 ( 18.8 %)
Fully Allocated 13 ( 81.2 %)
Updated 10:40 pm MDT Sun Jul 19 2026

Last updated: 10:40 pm MDT Sun Jul 19 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 95 24 105 361 -
vis 1 0 0 20 -
largemem 0 2 0 0 -
jhublogin 270 42 0 540 -
system 0 0 0 0 -
gdex 40 0 0 78 -
nvgpu 16 1 18 276 -
amdgpu 0 0 0 0 -
Updated 10:40 pm MDT Sun Jul 19 2026

V100 node status

Last updated: 10:40 pm MDT Sun Jul 19 2026 Up to date

V100 Node State # GPUs # Used # Avail
casper30 free 8 1 7
casper31 free 8 2 6
casper24 free 8 1 7
casper28 free 8 1 7
casper36 free 4 0 4
casper08 free 8 1 7
casper29 free 4 3 1
casper25 offline 4 0 4
Updated 10:40 pm MDT Sun Jul 19 2026
A100 Node State # GPUs # Used # Avail
casper38 full 4 4 0
casper42 full 4 4 0
casper37 free 4 0 4
casper39 full 4 4 0
casper40 free 4 0 4
casper43 free 4 0 4
casper41 free 4 0 4
casper44 free 4 0 4
Updated 10:40 pm MDT Sun Jul 19 2026
H100 Node State # GPUs # Used # Avail
casper57 free 4 1 3
casper58 offline 4 0 4
Updated 10:40 pm MDT Sun Jul 19 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: 10:00 pm MDT Sun Jul 19 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 115 150 77%
/glade/u/apps 3 10 28%
/glade/work 1,678 4,096 41%
/glade/derecho/scratch 35,216 55,814 64%
/glade/campaign 122,448 162,430 76%
Updated 10:00 pm MDT Sun Jul 19 2026