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: 1:05 pm MDT Sun Aug 30 2026 Up to date

Login Node Status Users Load
derecho1 UP 52 10.66 %
derecho2 UP 45 3.02 %
derecho3 UP 51 11.62 %
derecho4 UP 57 6.76 %
derecho5 UP 57 4.53 %
derecho6 UP 51 2.15 %
derecho7 UP 45 5.45 %
derecho8 UP - 0.78 %
CPU Nodes
Offline 1 ( 0.0 %)
Running Jobs 2482 ( 99.8 %)
Free 5 ( 0.2 %)
GPU Nodes
Offline 2 ( 2.4 %)
Running Jobs 74 ( 90.2 %)
Free 6 ( 7.3 %)
Updated 1:05 pm MDT Sun Aug 30 2026

Last updated: 1:05 pm MDT Sun Aug 30 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 341 134 649 2476 -
gpu 19 4 29 69 -
system 0 0 0 0 -
hybrid 1 0 0 4 -
pcpu 0 0 0 0 -
pgpu 0 0 0 0 -
gpudev 4 0 0 4 -
cpudev 30 3 188 31 -
repair 0 0 0 0 -
S6026601 0 0 0 0 -
M7234834 0 0 0 0 -
Updated 1:05 pm MDT Sun Aug 30 2026

Casper node status and queue activity

Last updated: 1:05 pm MDT Sun Aug 30 2026 Up to date

Login Node Status Users Load
crlogin1 UP 64 64.9 %
crlogin2 UP 39 14.8 %
crlogin3 UP 59 82.1 %
HTC Nodes
1221 of 5812 CPUs in use ( 21.0 %)
Partially Allocated 79 ( 66.9 %)
Offline 5 ( 4.2 %)
Free 34 ( 28.8 %)
Large Memory Nodes
Partially Allocated 6 ( 75.0 %)
Free 2 ( 25.0 %)
GP100 Visualization Nodes
0 of 42 GPU sessions in use ( 0.0 %)
Free 7 (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
21 of 52 GPUs in use ( 40.4 %)
Partially Allocated 2 ( 25.0 %)
Fully Allocated 2 ( 25.0 %)
Free 4 ( 50.0 %)
A100 GPU Nodes
28 of 32 GPUs in use ( 87.5 %)
Partially Allocated 7 ( 87.5 %)
Offline 1 ( 12.5 %)
H100 GPU Nodes
4 of 8 GPUs in use ( 50.0 %)
Fully Allocated 1 ( 50.0 %)
Offline 1 ( 50.0 %)
RDA Nodes
Partially Allocated 2 ( 25.0 %)
Free 6 ( 75.0 %)
JupyterHub Login Nodes
Partially Allocated 5 ( 27.8 %)
Fully Allocated 12 ( 66.7 %)
Offline 1 ( 5.6 %)
Updated 1:05 pm MDT Sun Aug 30 2026

Last updated: 1:05 pm MDT Sun Aug 30 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 368 13 91 1153 -
vis 1 1 0 4 -
largemem 6 0 0 29 -
jhublogin 287 2 0 574 -
system 0 0 0 0 -
gdex 28 2 0 39 -
nvgpu 18 20 46 560 -
amdgpu 0 0 0 0 -
M5559887 0 0 0 0 -
M5707952 0 0 0 0 -
R5739932 0 0 0 0 -
R5740488 0 0 0 0 -
Updated 1:05 pm MDT Sun Aug 30 2026

V100 node status

Last updated: 1:05 pm MDT Sun Aug 30 2026 Up to date

V100 Node State # GPUs # Used # Avail
casper30 full 8 8 0
casper31 free 8 0 8
casper24 full 8 8 0
casper28 free 8 0 8
casper36 free 4 1 3
casper08 free 8 0 8
casper29 full 4 4 0
casper25 free 4 0 4
Updated 1:05 pm MDT Sun Aug 30 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 offline 4 0 4
casper44 full 4 4 0
Updated 1:05 pm MDT Sun Aug 30 2026
H100 Node State # GPUs # Used # Avail
casper57 full 4 4 0
casper58 down 4 0 4
Updated 1:05 pm MDT Sun Aug 30 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: 1:00 pm MDT Sun Aug 30 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 119 150 80%
/glade/u/apps 3 10 28%
/glade/work 1,729 4,096 43%
/glade/derecho/scratch 36,820 55,814 67%
/glade/campaign 78,441 109,600 72%
Updated 1:00 pm MDT Sun Aug 30 2026