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: 2:35 am MDT Mon May 18 2026 Up to date

Login Node Status Users Load
derecho1 UP 40 1.23 %
derecho2 UP 24 7.22 %
derecho3 UP 38 10.59 %
derecho4 UP 36 2.92 %
derecho5 UP 33 0.69 %
derecho6 UP 23 13.68 %
derecho7 UP 40 8.80 %
derecho8 UP 0 0.05 %
CPU Nodes
Offline 12 ( 0.5 %)
Running Jobs 2446 ( 98.3 %)
Free 30 ( 1.2 %)
GPU Nodes
Offline 14 ( 17.1 %)
Running Jobs 68 ( 82.9 %)
Updated 2:35 am MDT Mon May 18 2026

Last updated: 2:35 am MDT Mon May 18 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held Nodes Used Users
cpu 244 97 1293 2444 -
gpu 43 35 10 68 -
system 0 0 0 0 -
hybrid 0 0 0 0 -
pcpu 0 1 0 0 -
pgpu 0 0 0 0 -
gpudev 0 1 0 0 -
cpudev 6 0 45 7 -
repair 0 0 0 0 -
S6026601 0 0 0 0 -
R6144275 0 0 10 0 -
Updated 2:35 am MDT Mon May 18 2026

Casper node status and queue activity

Last updated: 2:35 am MDT Mon May 18 2026 Up to date

Login Node Status Users Load
crlogin1 UP - 0.0 %
crlogin2 UP 49 14.9 %
crlogin3 UP 49 11.4 %
HTC Nodes
354 of 5812 CPUs in use ( 6.1 %)
Offline 118 (100.0 %)
Large Memory Nodes
Partially Allocated 1 ( 12.5 %)
Offline 7 ( 87.5 %)
GP100 Visualization Nodes
0 of 54 GPU sessions in use ( 0.0 %)
Offline 1 ( 11.1 %)
Free 8 ( 88.9 %)
L40 Visualization Nodes
1 of 42 GPU sessions in use ( 2.4 %)
Offline 5 ( 83.3 %)
Free 1 ( 16.7 %)
V100 GPU Nodes
3 of 52 GPUs in use ( 5.8 %)
Down 1 ( 12.5 %)
Offline 7 ( 87.5 %)
A100 GPU Nodes
6 of 32 GPUs in use ( 18.8 %)
Partially Allocated 2 ( 25.0 %)
Offline 6 ( 75.0 %)
H100 GPU Nodes
0 of 8 GPUs in use ( 0.0 %)
Offline 2 (100.0 %)
RDA Nodes
Offline 8 (100.0 %)
JupyterHub Login Nodes
Fully Allocated 10 ( 62.5 %)
Offline 6 ( 37.5 %)
Updated 2:35 am MDT Mon May 18 2026

Last updated: 2:35 am MDT Mon May 18 2026 Up to date

Queue Jobs Running Jobs Queued Jobs Held CPUs Used Users
htc 48 793 110 354 -
vis 1 0 1 1 -
largemem 1 1 0 1 -
jhublogin 215 1 0 430 -
system 0 0 0 0 -
gdex 32 1 0 63 -
nvgpu 4 123 1 85 -
amdgpu 0 0 0 0 -
Updated 2:35 am MDT Mon May 18 2026

V100 node status

Last updated: 2:35 am MDT Mon May 18 2026 Up to date

V100 Node State # GPUs # Used # Avail
casper30 offline 8 1 7
casper31 offline 8 0 8
casper24 offline 8 0 8
casper28 offline 8 0 8
casper36 offline 4 2 2
casper08 offline 8 0 8
casper29 offline 4 0 4
casper25 down 4 0 4
Updated 2:35 am MDT Mon May 18 2026
A100 Node State # GPUs # Used # Avail
casper38 offline 4 0 4
casper42 offline 4 0 4
casper37 free 4 2 2
casper39 offline 4 0 4
casper40 full 4 4 0
casper43 offline 4 0 4
casper41 offline 4 0 4
casper44 offline 4 0 4
Updated 2:35 am MDT Mon May 18 2026
H100 Node State # GPUs # Used # Avail
casper57 offline 4 0 4
casper58 offline 4 0 4
Updated 2:35 am MDT Mon May 18 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: 2:00 am MDT Mon May 18 2026 Up to date

File Space TiB Used TiB Capacity % Used
/glade/u/home 110 150 74%
/glade/u/apps 3 10 27%
/glade/work 1,619 4,096 40%
/glade/derecho/scratch 33,843 55,814 62%
/glade/campaign 120,492 135,030 90%
Updated 2:00 am MDT Mon May 18 2026