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: 4:40 pm MDT Sat Oct 10 2026 Up to date

Login Node Status Users Load
derecho1 UP 53 6.43 %
derecho2 UP 72 7.16 %
derecho3 UP 38 6.30 %
derecho4 UP 65 13.41 %
derecho5 UP 64 12.24 %
derecho6 UP 47 9.60 %
derecho7 UP 43 4.23 %
derecho8 UP 0 0.10 %
CPU Nodes
Offline 7 ( 0.3 %)
Running Jobs 2474 ( 99.4 %)
Free 7 ( 0.3 %)
GPU Nodes
Running Jobs 52 ( 63.4 %)
Free 30 ( 36.6 %)
Updated 4:40 pm MDT Sat Oct 10 2026

Last updated: 4:40 pm MDT Sat Oct 10 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 405 820 1221 2473 -
gpu 32 1 27 47 -
system 0 0 0 0 -
hybrid 0 0 0 0 -
pcpu 0 0 0 0 -
pgpu 5 0 0 5 -
gpudev 0 0 0 0 -
cpudev 14 1 126 19 -
repair 0 0 0 0 -
S7349323 0 0 0 0 -
R7781039 0 0 0 0 -
R7781179 0 0 0 0 -
R7781291 0 0 0 0 -
Updated 4:40 pm MDT Sat Oct 10 2026

Casper node status and queue activity

Last updated: 4:40 pm MDT Sat Oct 10 2026 Up to date

Login Node Status Users Load
crlogin1 UP 65 29.7 %
crlogin2 UP 59 57.5 %
crlogin3 UP 64 29.0 %
HTC Nodes
304 of 5812 CPUs in use ( 5.2 %)
Partially Allocated 15 ( 12.7 %)
Free 103 ( 87.3 %)
Large Memory Nodes
Partially Allocated 2 ( 25.0 %)
Fully Allocated 2 ( 25.0 %)
Free 4 ( 50.0 %)
GP100 Visualization Nodes
0 of 54 GPU sessions in use ( 0.0 %)
Free 9 (100.0 %)
L40 Visualization Nodes
0 of 42 GPU sessions in use ( 0.0 %)
Free 6 (100.0 %)
V100 GPU Nodes
6 of 52 GPUs in use ( 11.5 %)
Partially Allocated 2 ( 25.0 %)
Free 6 ( 75.0 %)
A100 GPU Nodes
19 of 32 GPUs in use ( 59.4 %)
Partially Allocated 3 ( 37.5 %)
Fully Allocated 2 ( 25.0 %)
Free 3 ( 37.5 %)
H100 GPU Nodes
2 of 8 GPUs in use ( 25.0 %)
Partially Allocated 1 ( 50.0 %)
Free 1 ( 50.0 %)
RDA Nodes
Partially Allocated 3 ( 37.5 %)
Fully Allocated 1 ( 12.5 %)
Free 4 ( 50.0 %)
JupyterHub Login Nodes
Partially Allocated 12 ( 75.0 %)
Fully Allocated 4 ( 25.0 %)
Updated 4:40 pm MDT Sat Oct 10 2026

Last updated: 4:40 pm MDT Sat Oct 10 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 62 0 36 304 -
vis 0 0 0 0 -
largemem 4 0 37 130 -
jhublogin 269 9 0 446 -
system 0 0 0 0 -
gdex 83 0 0 198 -
nvgpu 17 1 21 466 -
amdgpu 0 0 0 0 -
Updated 4:40 pm MDT Sat Oct 10 2026

V100 node status

Last updated: 4:40 pm MDT Sat Oct 10 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 3 1
casper08 free 8 0 8
casper29 free 4 3 1
casper25 free 4 0 4
Updated 4:40 pm MDT Sat Oct 10 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 free 4 0 4
casper43 free 4 0 4
casper41 free 4 0 4
casper44 free 4 3 1
Updated 4:40 pm MDT Sat Oct 10 2026
H100 Node State # GPUs # Used # Avail
casper57 free 4 2 2
casper58 free 4 0 4
Updated 4:40 pm MDT Sat Oct 10 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 Sat Oct 10 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 122 150 82%
/glade/u/apps 3 10 28%
/glade/work 1,760 4,096 43%
/glade/derecho/scratch 39,136 55,814 71%
/glade/campaign 124,801 144,820 87%
Updated 4:00 pm MDT Sat Oct 10 2026