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: 8:45 am MDT Fri Mar 20 2026 Up to date

Login Node Status Users Load
derecho1 UP 76 6.77 %
derecho2 UP 74 3.26 %
derecho3 UP 57 10.07 %
derecho4 UP 55 2.64 %
derecho5 UP 52 4.27 %
derecho6 UP 66 6.61 %
derecho7 UP 46 6.23 %
derecho8 UP 0 0.05 %
CPU Nodes
Offline 22 ( 0.9 %)
Running Jobs 2401 ( 96.5 %)
Free 65 ( 2.6 %)
GPU Nodes
Running Jobs 82 (100.0 %)
Updated 8:45 am MDT Fri Mar 20 2026

Last updated: 8:45 am MDT Fri Mar 20 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 205 46 576 2407 -
gpu 75 166 21 82 -
system 0 0 0 0 -
hybrid 0 2 0 0 -
pcpu 0 0 0 0 -
pgpu 0 0 0 0 -
gpudev 0 3 0 0 -
cpudev 9 0 108 10 -
repair 0 0 0 0 -
Updated 8:45 am MDT Fri Mar 20 2026

Casper node status and queue activity

Last updated: 8:45 am MDT Fri Mar 20 2026 Up to date

Login Node Status Users Load
crlogin1 UP 51 10.8 %
crlogin2 UP 51 11.5 %
crlogin3 UP 54 6.1 %
HTC Nodes
673 of 5812 CPUs in use ( 11.6 %)
Partially Allocated 46 ( 39.0 %)
Fully Allocated 1 ( 0.8 %)
Free 71 ( 60.2 %)
Large Memory Nodes
Partially Allocated 8 (100.0 %)
GP100 Visualization Nodes
0 of 54 GPU sessions in use ( 0.0 %)
Free 9 (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
27 of 52 GPUs in use ( 51.9 %)
Partially Allocated 5 ( 62.5 %)
Offline 1 ( 12.5 %)
Free 2 ( 25.0 %)
A100 GPU Nodes
22 of 32 GPUs in use ( 68.8 %)
Partially Allocated 6 ( 75.0 %)
Offline 1 ( 12.5 %)
Free 1 ( 12.5 %)
H100 GPU Nodes
8 of 8 GPUs in use (100.0 %)
Partially Allocated 2 (100.0 %)
RDA Nodes
Partially Allocated 4 ( 50.0 %)
Free 4 ( 50.0 %)
JupyterHub Login Nodes
Partially Allocated 6 ( 35.3 %)
Fully Allocated 11 ( 64.7 %)
Updated 8:45 am MDT Fri Mar 20 2026

Last updated: 8:45 am MDT Fri Mar 20 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 296 4 0 673 -
vis 2 0 0 11 -
largemem 8 3 0 93 -
rda 0 0 0 0 -
jhublogin 278 0 0 556 -
system 0 0 0 0 -
gdex 65 0 0 144 -
nvgpu 37 91 70 326 -
amdgpu 0 0 0 0 -
Updated 8:45 am MDT Fri Mar 20 2026

V100 node status

Last updated: 8:45 am MDT Fri Mar 20 2026 Up to date

V100 Node State # GPUs # Used # Avail
casper30 full 8 8 0
casper31 full 8 8 0
casper24 free 8 3 5
casper28 free 8 0 8
casper36 full 4 4 0
casper08 free 8 0 8
casper29 full 4 4 0
casper25 down 4 0 4
Updated 8:45 am MDT Fri Mar 20 2026
A100 Node State # GPUs # Used # Avail
casper38 free 4 0 4
casper42 full 4 4 0
casper37 offline 4 0 4
casper39 full 4 4 0
casper40 free 4 2 2
casper43 full 4 4 0
casper41 full 4 4 0
casper44 full 4 4 0
Updated 8:45 am MDT Fri Mar 20 2026
H100 Node State # GPUs # Used # Avail
casper57 full 4 4 0
casper58 full 4 4 0
Updated 8:45 am MDT Fri Mar 20 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 Fri Mar 20 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 108 150 72%
/glade/u/apps 3 10 27%
/glade/work 1,558 4,096 39%
/glade/derecho/scratch 32,344 55,814 59%
/glade/campaign 121,098 135,030 90%
Updated 8:00 am MDT Fri Mar 20 2026