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: 3:20 am MDT Sat Oct 31 2026 Up to date

Login Node Status Users Load
derecho1 UP 49 9.45 %
derecho2 UP 61 26.02 %
derecho3 UP 53 3.70 %
derecho4 UP 37 5.44 %
derecho5 UP 51 9.84 %
derecho6 UP 34 3.41 %
derecho7 UP 50 6.05 %
derecho8 UP 0 0.04 %
CPU Nodes
Offline 13 ( 0.5 %)
Running Jobs 2444 ( 98.2 %)
Free 31 ( 1.2 %)
GPU Nodes
Running Jobs 79 ( 96.3 %)
Free 3 ( 3.7 %)
Updated 3:20 am MDT Sat Oct 31 2026

Last updated: 3:20 am MDT Sat Oct 31 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 371 1060 1672 2448 -
gpu 32 31 119 79 -
system 0 0 0 0 -
hybrid 0 6 0 0 -
pcpu 0 1 0 0 -
pgpu 0 0 0 0 -
gpudev 9 0 36 9 -
cpudev 40 8 531 46 -
repair 0 0 0 0 -
S7349323 0 0 0 0 -
M7988912 0 0 0 0 -
Updated 3:20 am MDT Sat Oct 31 2026

Casper node status and queue activity

Last updated: 3:20 am MDT Sat Oct 31 2026 Up to date

Login Node Status Users Load
crlogin1 UP 51 23.6 %
crlogin2 UP 39 15.5 %
crlogin3 UP 79 27.5 %
HTC Nodes
455 of 5890 CPUs in use ( 7.7 %)
Partially Allocated 79 ( 66.9 %)
Fully Allocated 1 ( 0.8 %)
Free 38 ( 32.2 %)
Large Memory Nodes
Partially Allocated 2 ( 25.0 %)
Fully Allocated 5 ( 62.5 %)
Free 1 ( 12.5 %)
GP100 Visualization Nodes
12 of 54 GPU sessions in use ( 22.2 %)
Reserved 2 ( 22.2 %)
Free 7 ( 77.8 %)
L40 Visualization Nodes
7 of 42 GPU sessions in use ( 16.7 %)
Partially Allocated 2 ( 33.3 %)
Fully Allocated 1 ( 16.7 %)
Free 3 ( 50.0 %)
V100 GPU Nodes
2 of 52 GPUs in use ( 3.8 %)
Partially Allocated 1 ( 12.5 %)
Free 7 ( 87.5 %)
A100 GPU Nodes
31 of 32 GPUs in use ( 96.9 %)
Partially Allocated 8 (100.0 %)
H100 GPU Nodes
5 of 8 GPUs in use ( 62.5 %)
Partially Allocated 1 ( 50.0 %)
Fully Allocated 1 ( 50.0 %)
RDA Nodes
Partially Allocated 3 ( 37.5 %)
Free 5 ( 62.5 %)
JupyterHub Login Nodes
Partially Allocated 13 ( 81.2 %)
Fully Allocated 2 ( 12.5 %)
Free 1 ( 6.2 %)
Updated 3:20 am MDT Sat Oct 31 2026

Last updated: 3:20 am MDT Sat Oct 31 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 252 0 49 455 -
vis 7 0 0 85 -
largemem 7 12 0 383 -
jhublogin 292 11 0 437 -
system 0 0 0 0 -
gdex 74 0 0 136 -
nvgpu 14 5 3 552 -
amdgpu 1 0 1 96 -
M6430737 0 0 0 0 -
R6460810 0 0 0 0 -
Updated 3:20 am MDT Sat Oct 31 2026

V100 node status

Last updated: 3:20 am MDT Sat Oct 31 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 0 4
casper08 free 8 0 8
casper29 free 4 0 4
casper25 free 4 2 2
Updated 3:20 am MDT Sat Oct 31 2026
A100 Node State # GPUs # Used # Avail
casper38 full 4 4 0
casper42 full 4 4 0
casper37 free 4 3 1
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 3:20 am MDT Sat Oct 31 2026
H100 Node State # GPUs # Used # Avail
casper57 free 4 1 3
casper58 full 4 4 0
Updated 3:20 am MDT Sat Oct 31 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: 3:00 am MDT Sat Oct 31 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 123 150 82%
/glade/u/apps 3 10 28%
/glade/work 1,786 4,096 44%
/glade/derecho/scratch 40,339 55,814 74%
/glade/campaign 127,413 144,820 88%
Updated 3:00 am MDT Sat Oct 31 2026