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: 6:55 am MDT Sun Mar 8 2026 Up to date

Login Node Status Users Load
derecho1 UP 58 7.44 %
derecho2 UP 33 0.62 %
derecho3 UP 39 3.57 %
derecho4 UP 43 1.75 %
derecho5 UP 44 1.04 %
derecho6 UP 37 1.52 %
derecho7 UP 34 2.33 %
derecho8 UP 0 0.01 %
CPU Nodes
Offline 25 ( 1.0 %)
Running Jobs 2462 ( 99.0 %)
Free 1 ( 0.0 %)
GPU Nodes
Running Jobs 82 (100.0 %)
Updated 6:55 am MDT Sun Mar 8 2026

Last updated: 6:55 am MDT Sun Mar 8 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 190 66 358 2462 -
gpu 41 5 61 82 -
system 0 0 0 0 -
hybrid 0 0 0 0 -
pcpu 0 0 0 0 -
pgpu 0 0 0 0 -
gpudev 0 0 2 0 -
cpudev 1 42 16 1 -
repair 0 0 0 0 -
Updated 6:55 am MDT Sun Mar 8 2026

Casper node status and queue activity

Last updated: 6:55 am MDT Sun Mar 8 2026 Up to date

Login Node Status Users Load
crlogin1 UP 31 1.7 %
crlogin2 UP 43 30.1 %
crlogin3 UP 35 34.0 %
HTC Nodes
364 of 5812 CPUs in use ( 6.3 %)
Partially Allocated 27 ( 22.9 %)
Fully Allocated 1 ( 0.8 %)
Free 90 ( 76.3 %)
Large Memory Nodes
Partially Allocated 2 ( 25.0 %)
Free 6 ( 75.0 %)
GP100 Visualization Nodes
0 of 54 GPU sessions in use ( 0.0 %)
Offline 1 ( 11.1 %)
Free 8 ( 88.9 %)
L40 Visualization Nodes
2 of 42 GPU sessions in use ( 4.8 %)
Partially Allocated 1 ( 16.7 %)
Free 5 ( 83.3 %)
V100 GPU Nodes
2 of 52 GPUs in use ( 3.8 %)
Partially Allocated 1 ( 12.5 %)
Offline 1 ( 12.5 %)
Free 6 ( 75.0 %)
A100 GPU Nodes
17 of 32 GPUs in use ( 53.1 %)
Partially Allocated 5 ( 62.5 %)
Offline 1 ( 12.5 %)
Free 2 ( 25.0 %)
H100 GPU Nodes
7 of 8 GPUs in use ( 87.5 %)
Partially Allocated 2 (100.0 %)
RDA Nodes
Partially Allocated 4 ( 50.0 %)
Free 4 ( 50.0 %)
JupyterHub Login Nodes
Partially Allocated 5 ( 29.4 %)
Fully Allocated 10 ( 58.8 %)
Free 2 ( 11.8 %)
Updated 6:55 am MDT Sun Mar 8 2026

Last updated: 6:55 am MDT Sun Mar 8 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 136 8 19 364 -
vis 2 0 0 13 -
largemem 2 0 0 40 -
rda 0 0 0 0 -
jhublogin 218 0 0 436 -
system 0 0 0 0 -
gdex 67 0 0 115 -
nvgpu 6 1 0 305 -
amdgpu 0 0 0 0 -
Updated 6:55 am MDT Sun Mar 8 2026

V100 node status

Last updated: 6:55 am MDT Sun Mar 8 2026 Up to date

V100 Node State # GPUs # Used # Avail
casper30 free 8 0 8
casper31 free 8 0 8
casper24 free 8 0 8
casper28 free 8 0 8
casper36 free 4 2 2
casper08 free 8 0 8
casper29 free 4 0 4
casper25 down 4 0 4
Updated 6:55 am MDT Sun Mar 8 2026
A100 Node State # GPUs # Used # Avail
casper38 free 4 1 3
casper42 full 4 4 0
casper37 offline 4 0 4
casper39 full 4 4 0
casper40 full 4 4 0
casper43 full 4 4 0
casper41 free 4 0 4
casper44 free 4 0 4
Updated 6:55 am MDT Sun Mar 8 2026
H100 Node State # GPUs # Used # Avail
casper57 full 4 4 0
casper58 free 4 3 1
Updated 6:55 am MDT Sun Mar 8 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: 6:00 am MDT Sun Mar 8 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 106 150 71%
/glade/u/apps 3 10 27%
/glade/work 1,551 4,096 38%
/glade/derecho/scratch 32,126 55,814 59%
/glade/campaign 122,355 135,030 91%
Updated 6:00 am MDT Sun Mar 8 2026