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: 2:45 pm MDT Tue Sep 8 2026 Up to date

Login Node Status Users Load
derecho1 UP 89 9.02 %
derecho2 UP 86 5.51 %
derecho3 UP 84 15.38 %
derecho4 UP 83 5.34 %
derecho5 UP 94 7.51 %
derecho6 UP 93 113.46 %
derecho7 UP 79 13.86 %
derecho8 UP - 0.00 %
CPU Nodes
Offline 92 ( 3.7 %)
Running Jobs 2369 ( 95.2 %)
Free 27 ( 1.1 %)
GPU Nodes
Offline 4 ( 4.9 %)
Running Jobs 76 ( 92.7 %)
Free 2 ( 2.4 %)
Updated 2:45 pm MDT Tue Sep 8 2026

Last updated: 2:45 pm MDT Tue Sep 8 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 1181 1071 451 2355 -
gpu 49 40 30 72 -
system 0 0 0 0 -
hybrid 1 2 0 4 -
pcpu 0 0 0 0 -
pgpu 0 10 0 0 -
gpudev 5 2 3 5 -
cpudev 96 54 357 104 -
repair 0 0 0 0 -
S6026601 0 0 0 0 -
S7349323 0 0 0 0 -
Updated 2:45 pm MDT Tue Sep 8 2026

Casper node status and queue activity

Last updated: 2:45 pm MDT Tue Sep 8 2026 Up to date

Login Node Status Users Load
crlogin1 UP 108 27.6 %
crlogin2 UP 97 28.9 %
crlogin3 UP 76 37.0 %
HTC Nodes
1662 of 5812 CPUs in use ( 28.6 %)
Partially Allocated 82 ( 69.5 %)
Fully Allocated 3 ( 2.5 %)
Free 33 ( 28.0 %)
Large Memory Nodes
Partially Allocated 2 ( 25.0 %)
Free 6 ( 75.0 %)
GP100 Visualization Nodes
1 of 54 GPU sessions in use ( 1.9 %)
Partially Allocated 1 ( 11.1 %)
Free 8 ( 88.9 %)
L40 Visualization Nodes
5 of 42 GPU sessions in use ( 11.9 %)
Partially Allocated 2 ( 33.3 %)
Free 4 ( 66.7 %)
V100 GPU Nodes
37 of 52 GPUs in use ( 71.2 %)
Partially Allocated 4 ( 50.0 %)
Fully Allocated 3 ( 37.5 %)
Offline 1 ( 12.5 %)
A100 GPU Nodes
31 of 32 GPUs in use ( 96.9 %)
Partially Allocated 5 ( 62.5 %)
Fully Allocated 1 ( 12.5 %)
Offline 2 ( 25.0 %)
H100 GPU Nodes
5 of 8 GPUs in use ( 62.5 %)
Partially Allocated 2 (100.0 %)
RDA Nodes
Partially Allocated 4 ( 50.0 %)
Free 4 ( 50.0 %)
JupyterHub Login Nodes
Partially Allocated 4 ( 25.0 %)
Reserved 1 ( 6.2 %)
Fully Allocated 11 ( 68.8 %)
Updated 2:45 pm MDT Tue Sep 8 2026

Last updated: 2:45 pm MDT Tue Sep 8 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 463 9 125 1662 -
vis 6 1 0 44 -
largemem 2 0 0 17 -
jhublogin 230 3 0 460 -
system 0 0 0 0 -
gdex 107 0 0 211 -
nvgpu 46 40 31 560 -
amdgpu 0 0 0 0 -
M5559887 0 0 0 0 -
Updated 2:45 pm MDT Tue Sep 8 2026

V100 node status

Last updated: 2:45 pm MDT Tue Sep 8 2026 Up to date

V100 Node State # GPUs # Used # Avail
casper30 free 8 7 1
casper31 full 8 8 0
casper24 offline 8 0 8
casper28 full 8 8 0
casper36 free 4 2 2
casper08 full 8 8 0
casper29 free 4 2 2
casper25 free 4 2 2
Updated 2:45 pm MDT Tue Sep 8 2026
A100 Node State # GPUs # Used # Avail
casper38 full 4 4 0
casper42 offline 4 3 1
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 2:45 pm MDT Tue Sep 8 2026
H100 Node State # GPUs # Used # Avail
casper57 free 4 2 2
casper58 free 4 3 1
Updated 2:45 pm MDT Tue Sep 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: 2:00 pm MDT Tue Sep 8 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 120 150 80%
/glade/u/apps 3 10 28%
/glade/work 1,730 4,096 43%
/glade/derecho/scratch 37,293 55,814 68%
/glade/campaign 78,886 109,600 72%
Updated 2:00 pm MDT Tue Sep 8 2026