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: 8:00 am MDT Tue Jun 9 2026 Up to date

Login Node Status Users Load
derecho1 UP 59 5.27 %
derecho2 UP 47 2.70 %
derecho3 UP 62 6.33 %
derecho4 UP 57 0.99 %
derecho5 UP 49 9.20 %
derecho6 UP 41 3.20 %
derecho7 UP 55 5.80 %
derecho8 UP - 0.93 %
CPU Nodes
Reserved 5 ( 0.2 %)
Offline 13 ( 0.5 %)
Running Jobs 2297 ( 92.3 %)
Free 173 ( 7.0 %)
GPU Nodes
Offline 2 ( 2.4 %)
Running Jobs 71 ( 86.6 %)
Free 9 ( 11.0 %)
Updated 8:00 am MDT Tue Jun 9 2026

Last updated: 8:00 am MDT Tue Jun 9 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 197 151 1200 2295 -
gpu 57 3 9 69 -
system 0 0 0 0 -
hybrid 0 0 0 0 -
pcpu 0 0 0 0 -
pgpu 0 0 0 0 -
gpudev 9 1 3 9 -
cpudev 265 244 284 265 -
repair 0 0 0 0 -
S6026601 0 0 0 0 -
R6144275 1 0 9 5 -
Updated 8:00 am MDT Tue Jun 9 2026

Casper node status and queue activity

Last updated: 8:00 am MDT Tue Jun 9 2026 Up to date

Login Node Status Users Load
crlogin1 UP 61 18.3 %
crlogin2 UP 73 22.3 %
crlogin3 UP 60 8.1 %
HTC Nodes
690 of 5812 CPUs in use ( 11.9 %)
Partially Allocated 40 ( 33.9 %)
Fully Allocated 2 ( 1.7 %)
Offline 1 ( 0.8 %)
Free 75 ( 63.6 %)
Large Memory Nodes
Partially Allocated 8 (100.0 %)
GP100 Visualization Nodes
1 of 54 GPU sessions in use ( 1.9 %)
Partially Allocated 1 ( 11.1 %)
Free 8 ( 88.9 %)
L40 Visualization Nodes
1 of 42 GPU sessions in use ( 2.4 %)
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
26 of 32 GPUs in use ( 81.2 %)
Partially Allocated 5 ( 62.5 %)
Fully Allocated 2 ( 25.0 %)
Free 1 ( 12.5 %)
H100 GPU Nodes
4 of 8 GPUs in use ( 50.0 %)
Partially Allocated 1 ( 50.0 %)
Free 1 ( 50.0 %)
RDA Nodes
Partially Allocated 7 ( 87.5 %)
Fully Allocated 1 ( 12.5 %)
JupyterHub Login Nodes
Partially Allocated 1 ( 6.2 %)
Fully Allocated 14 ( 87.5 %)
Offline 1 ( 6.2 %)
Updated 8:00 am MDT Tue Jun 9 2026

Last updated: 8:00 am MDT Tue Jun 9 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 346 77 102 717 -
vis 2 0 0 2 -
largemem 8 3 0 32 -
jhublogin 258 4 0 516 -
system 0 0 0 0 -
gdex 62 2 0 194 -
nvgpu 10 1 1 537 -
amdgpu 0 0 0 0 -
Updated 8:00 am MDT Tue Jun 9 2026

V100 node status

Last updated: 8:00 am MDT Tue Jun 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 8:00 am MDT Tue Jun 9 2026
A100 Node State # GPUs # Used # Avail
casper38 free 4 2 2
casper42 full 4 4 0
casper37 full 4 4 0
casper39 free 4 0 4
casper40 full 4 4 0
casper43 full 4 4 0
casper41 full 4 4 0
casper44 full 4 4 0
Updated 8:00 am MDT Tue Jun 9 2026
H100 Node State # GPUs # Used # Avail
casper57 full 4 4 0
casper58 free 4 0 4
Updated 8:00 am MDT Tue Jun 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: 8:00 am MDT Tue Jun 9 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 112 150 75%
/glade/u/apps 3 10 27%
/glade/work 1,632 4,096 40%
/glade/derecho/scratch 33,774 55,814 62%
/glade/campaign 120,281 135,030 90%
Updated 8:00 am MDT Tue Jun 9 2026