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: 5:55 am MST Sat Feb 28 2026 Up to date

Login Node Status Users Load
derecho1 UP 49 5.23 %
derecho2 UP 45 1.42 %
derecho3 UP 30 2.19 %
derecho4 UP 66 4.59 %
derecho5 UP 38 2.09 %
derecho6 UP 49 3.73 %
derecho7 UP 43 3.04 %
derecho8 UP 0 0.97 %
CPU Nodes
Offline 5 ( 0.2 %)
Running Jobs 2269 ( 91.2 %)
Free 214 ( 8.6 %)
GPU Nodes
Running Jobs 82 (100.0 %)
Updated 5:55 am MST Sat Feb 28 2026

Last updated: 5:55 am MST Sat Feb 28 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 222 1184 436 2265 -
gpu 18 25 15 81 -
system 0 0 0 0 -
hybrid 0 0 0 0 -
pcpu 0 0 0 0 -
pgpu 0 0 0 0 -
gpudev 1 0 2 1 -
cpudev 2 0 25 2 -
repair 0 0 0 0 -
Updated 5:55 am MST Sat Feb 28 2026

Casper node status and queue activity

Last updated: 5:55 am MST Sat Feb 28 2026 Up to date

Login Node Status Users Load
crlogin1 UP 66 46.6 %
crlogin2 UP 53 54.1 %
crlogin3 UP 57 44.2 %
HTC Nodes
506 of 5812 CPUs in use ( 8.7 %)
Partially Allocated 114 ( 96.6 %)
Free 4 ( 3.4 %)
Large Memory Nodes
Partially Allocated 4 ( 50.0 %)
Free 4 ( 50.0 %)
GP100 Visualization Nodes
0 of 54 GPU sessions in use ( 0.0 %)
Free 9 (100.0 %)
L40 Visualization Nodes
0 of 42 GPU sessions in use ( 0.0 %)
Free 6 (100.0 %)
V100 GPU Nodes
0 of 52 GPUs in use ( 0.0 %)
Free 8 (100.0 %)
A100 GPU Nodes
3 of 34 GPUs in use ( 8.8 %)
Partially Allocated 1 ( 10.0 %)
Offline 1 ( 10.0 %)
Free 8 ( 80.0 %)
H100 GPU Nodes
0 of 8 GPUs in use ( 0.0 %)
Free 2 (100.0 %)
RDA Nodes
Partially Allocated 5 ( 62.5 %)
Free 3 ( 37.5 %)
JupyterHub Login Nodes
Partially Allocated 8 ( 47.1 %)
Fully Allocated 7 ( 41.2 %)
Free 2 ( 11.8 %)
Updated 5:55 am MST Sat Feb 28 2026

Last updated: 5:55 am MST Sat Feb 28 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 284 0 7 502 -
vis 0 0 0 0 -
largemem 4 0 3 18 -
rda 0 0 0 0 -
jhublogin 213 0 0 426 -
system 0 0 0 0 -
gdex 16 0 0 63 -
nvgpu 3 0 0 24 -
amdgpu 0 0 0 0 -
M2602188 0 0 0 0 -
Updated 5:55 am MST Sat Feb 28 2026

V100 node status

Last updated: 5:55 am MST Sat Feb 28 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 0 4
Updated 5:55 am MST Sat Feb 28 2026
A100 Node State # GPUs # Used # Avail
casper38 free 4 3 1
casper42 free 4 0 4
casper37 offline 4 0 4
casper39 free 4 0 4
casper40 free 4 0 4
casper43 free 4 0 4
casper18 free 1 0 1
casper21 free 1 0 1
casper41 free 4 0 4
casper44 free 4 0 4
Updated 5:55 am MST Sat Feb 28 2026
H100 Node State # GPUs # Used # Avail
casper57 free 4 0 4
casper58 free 4 0 4
Updated 5:55 am MST Sat Feb 28 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: 5:00 am MST Sat Feb 28 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 106 150 71%
/glade/u/apps 3 10 27%
/glade/work 1,546 4,096 38%
/glade/derecho/scratch 32,247 55,814 59%
/glade/campaign 122,925 135,030 92%
Updated 5:00 am MST Sat Feb 28 2026