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: 4:00 pm MDT Sun Apr 12 2026 Up to date

Login Node Status Users Load
derecho1 UP 42 0.77 %
derecho2 UP 34 12.56 %
derecho3 UP 46 1.82 %
derecho4 UP 53 5.11 %
derecho5 UP 62 2.74 %
derecho6 UP 55 1.71 %
derecho7 UP 53 2.31 %
derecho8 UP 0 0.04 %
CPU Nodes
Offline 6 ( 0.2 %)
Running Jobs 2455 ( 98.7 %)
Free 27 ( 1.1 %)
GPU Nodes
Offline 1 ( 1.2 %)
Running Jobs 67 ( 81.7 %)
Free 14 ( 17.1 %)
Updated 4:00 pm MDT Sun Apr 12 2026

Last updated: 4:00 pm MDT Sun Apr 12 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 498 699 1090 2454 -
gpu 35 3 7 67 -
system 0 0 0 0 -
hybrid 0 0 0 0 -
pcpu 0 0 0 0 -
pgpu 0 0 0 0 -
gpudev 5 0 0 5 -
cpudev 51 3 27 65 -
repair 0 0 0 0 -
Updated 4:00 pm MDT Sun Apr 12 2026

Casper node status and queue activity

Last updated: 4:00 pm MDT Sun Apr 12 2026 Up to date

Login Node Status Users Load
crlogin1 UP 59 33.3 %
crlogin2 UP 53 25.7 %
crlogin3 UP 77 9.5 %
HTC Nodes
3314 of 5812 CPUs in use ( 57.0 %)
Partially Allocated 112 ( 94.9 %)
Free 6 ( 5.1 %)
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
2 of 42 GPU sessions in use ( 4.8 %)
Partially Allocated 1 ( 16.7 %)
Free 5 ( 83.3 %)
V100 GPU Nodes
8 of 52 GPUs in use ( 15.4 %)
Partially Allocated 3 ( 37.5 %)
Free 5 ( 62.5 %)
A100 GPU Nodes
32 of 32 GPUs in use (100.0 %)
Partially Allocated 8 (100.0 %)
H100 GPU Nodes
1 of 8 GPUs in use ( 12.5 %)
Partially Allocated 1 ( 50.0 %)
Free 1 ( 50.0 %)
RDA Nodes
Partially Allocated 2 ( 25.0 %)
Free 6 ( 75.0 %)
JupyterHub Login Nodes
Partially Allocated 2 ( 11.8 %)
Fully Allocated 15 ( 88.2 %)
Updated 4:00 pm MDT Sun Apr 12 2026

Last updated: 4:00 pm MDT Sun Apr 12 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 470 7 12 3254 -
vis 2 0 0 9 -
largemem 0 0 0 0 -
jhublogin 292 0 0 584 -
system 0 0 0 0 -
gdex 14 0 0 23 -
nvgpu 17 4 36 440 -
amdgpu 0 0 0 0 -
Updated 4:00 pm MDT Sun Apr 12 2026

V100 node status

Last updated: 4:00 pm MDT Sun Apr 12 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 full 4 4 0
casper08 free 8 0 8
casper29 free 4 3 1
casper25 free 4 1 3
Updated 4:00 pm MDT Sun Apr 12 2026
A100 Node State # GPUs # Used # Avail
casper38 full 4 4 0
casper42 full 4 4 0
casper37 full 4 4 0
casper39 full 4 4 0
casper40 full 4 4 0
casper43 full 4 4 0
casper41 full 4 4 0
casper44 full 4 4 0
Updated 4:00 pm MDT Sun Apr 12 2026
H100 Node State # GPUs # Used # Avail
casper57 free 4 1 3
casper58 free 4 0 4
Updated 4:00 pm MDT Sun Apr 12 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: 4:00 pm MDT Sun Apr 12 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 109 150 73%
/glade/u/apps 3 10 27%
/glade/work 1,591 4,096 39%
/glade/derecho/scratch 32,881 55,814 60%
/glade/campaign 120,497 135,030 90%
Updated 4:00 pm MDT Sun Apr 12 2026