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: 11:20 pm MDT Sun Aug 9 2026 Up to date

Login Node Status Users Load
derecho1 UP 56 3.99 %
derecho2 UP 45 4.30 %
derecho3 UP 39 6.63 %
derecho4 UP 48 3.19 %
derecho5 UP 57 2.62 %
derecho6 UP 49 7.85 %
derecho7 UP 31 10.77 %
derecho8 UP 0 0.02 %
CPU Nodes
Offline 17 ( 0.7 %)
Running Jobs 2026 ( 81.4 %)
Free 445 ( 17.9 %)
GPU Nodes
Offline 4 ( 4.9 %)
Running Jobs 56 ( 68.3 %)
Free 22 ( 26.8 %)
Updated 11:20 pm MDT Sun Aug 9 2026

Last updated: 11:20 pm MDT Sun Aug 9 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 229 509 920 2016 -
gpu 23 2 59 50 -
system 0 0 0 0 -
hybrid 1 0 0 4 -
pcpu 0 1 0 0 -
pgpu 0 0 0 0 -
gpudev 6 0 17 6 -
cpudev 20 3 69 26 -
repair 0 0 0 0 -
S6026601 0 0 0 0 -
M7009732 0 0 0 0 -
R7026554 0 0 0 0 -
R7029973 0 0 0 0 -
R7029974 0 0 0 0 -
S7038754 0 0 0 0 -
Updated 11:20 pm MDT Sun Aug 9 2026

Casper node status and queue activity

Last updated: 11:20 pm MDT Sun Aug 9 2026 Up to date

Login Node Status Users Load
crlogin1 UP 64 35.4 %
crlogin2 UP 47 16.1 %
crlogin3 UP 52 7.2 %
HTC Nodes
321 of 5812 CPUs in use ( 5.5 %)
Partially Allocated 20 ( 16.9 %)
Free 98 ( 83.1 %)
Large Memory Nodes
Partially Allocated 7 ( 87.5 %)
Free 1 ( 12.5 %)
GP100 Visualization Nodes
0 of 42 GPU sessions in use ( 0.0 %)
Free 7 (100.0 %)
L40 Visualization Nodes
2 of 42 GPU sessions in use ( 4.8 %)
Partially Allocated 1 ( 16.7 %)
Free 5 ( 83.3 %)
V100 GPU Nodes
1 of 52 GPUs in use ( 1.9 %)
Partially Allocated 1 ( 12.5 %)
Free 7 ( 87.5 %)
A100 GPU Nodes
21 of 32 GPUs in use ( 65.6 %)
Partially Allocated 5 ( 62.5 %)
Fully Allocated 1 ( 12.5 %)
Free 2 ( 25.0 %)
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 %)
Offline 1 ( 12.5 %)
Free 5 ( 62.5 %)
JupyterHub Login Nodes
Partially Allocated 9 ( 50.0 %)
Fully Allocated 8 ( 44.4 %)
Offline 1 ( 5.6 %)
Updated 11:20 pm MDT Sun Aug 9 2026

Last updated: 11:20 pm MDT Sun Aug 9 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 72 24 112 321 -
vis 2 0 4 9 -
largemem 7 2 0 56 -
jhublogin 288 6 0 576 -
system 0 0 0 0 -
gdex 44 0 0 79 -
nvgpu 26 1 24 370 -
amdgpu 0 0 0 0 -
Updated 11:20 pm MDT Sun Aug 9 2026

V100 node status

Last updated: 11:20 pm MDT Sun Aug 9 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 1 3
casper08 free 8 0 8
casper29 free 4 0 4
casper25 free 4 0 4
Updated 11:20 pm MDT Sun Aug 9 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 job-exclusive 4 1 3
casper41 free 4 0 4
casper44 free 4 0 4
Updated 11:20 pm MDT Sun Aug 9 2026
H100 Node State # GPUs # Used # Avail
casper57 full 4 4 0
casper58 down 4 0 4
Updated 11:20 pm MDT Sun Aug 9 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: 11:00 pm MDT Sun Aug 9 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 117 150 78%
/glade/u/apps 3 10 28%
/glade/work 1,704 4,096 42%
/glade/derecho/scratch 36,236 55,814 66%
/glade/campaign 29,234 54,800 54%
Updated 11:00 pm MDT Sun Aug 9 2026