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: 8:30 am MDT Sat Oct 17 2026 Up to date

Login Node Status Users Load
derecho1 UP 60 15.70 %
derecho2 UP 55 6.80 %
derecho3 UP 43 12.96 %
derecho4 UP 58 8.73 %
derecho5 UP 59 5.75 %
derecho6 UP 55 21.18 %
derecho7 UP 48 4.68 %
derecho8 UP 0 0.16 %
CPU Nodes
Offline 10 ( 0.4 %)
Running Jobs 2461 ( 98.9 %)
Free 17 ( 0.7 %)
GPU Nodes
Offline 3 ( 3.7 %)
Running Jobs 74 ( 90.2 %)
Free 5 ( 6.1 %)
Updated 8:30 am MDT Sat Oct 17 2026

Last updated: 8:30 am MDT Sat Oct 17 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 329 630 1507 2465 -
gpu 34 1 19 73 -
system 0 0 0 0 -
hybrid 0 2 0 0 -
pcpu 0 1 0 0 -
pgpu 0 0 0 0 -
gpudev 17 0 46 17 -
cpudev 37 0 143 42 -
repair 0 0 0 0 -
S7349323 0 0 0 0 -
R7802929 0 0 0 0 -
Updated 8:30 am MDT Sat Oct 17 2026

Casper node status and queue activity

Last updated: 8:30 am MDT Sat Oct 17 2026 Up to date

Login Node Status Users Load
crlogin1 UP 68 89.0 %
crlogin2 UP 64 25.8 %
crlogin3 UP 54 38.4 %
HTC Nodes
854 of 5812 CPUs in use ( 14.7 %)
Partially Allocated 62 ( 52.5 %)
Fully Allocated 1 ( 0.8 %)
Free 55 ( 46.6 %)
Large Memory Nodes
Partially Allocated 1 ( 12.5 %)
Free 7 ( 87.5 %)
GP100 Visualization Nodes
0 of 54 GPU sessions in use ( 0.0 %)
Free 9 (100.0 %)
L40 Visualization Nodes
1 of 42 GPU sessions in use ( 2.4 %)
Fully Allocated 1 ( 16.7 %)
Free 5 ( 83.3 %)
V100 GPU Nodes
29 of 52 GPUs in use ( 55.8 %)
Partially Allocated 8 (100.0 %)
A100 GPU Nodes
13 of 32 GPUs in use ( 40.6 %)
Partially Allocated 4 ( 50.0 %)
Free 4 ( 50.0 %)
H100 GPU Nodes
8 of 8 GPUs in use (100.0 %)
Partially Allocated 1 ( 50.0 %)
Fully Allocated 1 ( 50.0 %)
RDA Nodes
Partially Allocated 4 ( 50.0 %)
Free 4 ( 50.0 %)
JupyterHub Login Nodes
Partially Allocated 12 ( 75.0 %)
Fully Allocated 4 ( 25.0 %)
Updated 8:30 am MDT Sat Oct 17 2026

Last updated: 8:30 am MDT Sat Oct 17 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 230 71 8 855 -
vis 1 0 0 48 -
largemem 1 0 0 8 -
jhublogin 270 7 0 425 -
system 0 0 0 0 -
gdex 85 0 0 187 -
nvgpu 35 1 3 356 -
amdgpu 0 0 0 0 -
Updated 8:30 am MDT Sat Oct 17 2026

V100 node status

Last updated: 8:30 am MDT Sat Oct 17 2026 Up to date

V100 Node State # GPUs # Used # Avail
casper30 free 8 1 7
casper31 full 8 8 0
casper24 free 8 6 2
casper28 free 8 1 7
casper36 full 4 4 0
casper08 free 8 1 7
casper29 full 4 4 0
casper25 full 4 4 0
Updated 8:30 am MDT Sat Oct 17 2026
A100 Node State # GPUs # Used # Avail
casper38 full 4 4 0
casper42 free 4 2 2
casper37 free 4 0 4
casper39 full 4 4 0
casper40 free 4 3 1
casper43 free 4 0 4
casper41 free 4 0 4
casper44 free 4 0 4
Updated 8:30 am MDT Sat Oct 17 2026
H100 Node State # GPUs # Used # Avail
casper57 full 4 4 0
casper58 full 4 4 0
Updated 8:30 am MDT Sat Oct 17 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: 8:00 am MDT Sat Oct 17 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 1,771 4,096 44%
/glade/derecho/scratch 39,901 55,814 73%
/glade/campaign 124,848 144,820 87%
Updated 8:00 am MDT Sat Oct 17 2026