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Compute Systems:
| System | Status | Jobs Running | Jobs Queued | Cores in Use | Load | Description/Notes |
|---|---|---|---|---|---|---|
| Perlmutter: | Up |
Global Filesystems:
| System | Status | Description/Notes |
|---|---|---|
| Community File System (CFS): | Up | |
| DNA: | Up | |
| Data Transfer Nodes: | Up | |
| Global Common: | Up | |
| Global Homes: | Up |
Mass Storage Systems:
| System | Status | Description/Notes |
|---|---|---|
| HPSS Archive (User): | Up | |
| HPSS Regent (Backup): | Up |
Service Status:
All services are available.Planned Outages:
| NERSC Website: | 05/20/25 23:00-05/21/25 4:00 PDT Scheduled Maintenance www.nersc.gov will be unavailable during this window. The entire window is reserved. |
| Perlmutter: | 05/21/25 6:00-22:00 PDT Scheduled Maintenance Perlmutter login nodes as well as the Scratch, Community, Homes, and Global Common file systems will be available during this maintenance. Jobs, including interactive, Jupyter compute, and realtime jobs, will not run during this period. The batch system will be unavailable for a portion of this period and users may see errors accessing Perlmutter scratch. Login nodes will be disrupted but all users on login nodes will be prompted to log out prior to their node being disrupted. Once logged out, users can log back in immediately and will automatically be placed on a login node with the new environment. |
| License Servers: | 05/21/25 9:00-10:00 PDT Scheduled Maintenance Software licenses for Allinea, Ansys, IDL, Mathematica, Matlab, PGI, Q-Chem, and Totalview software will be unavailable due to an operating system upgrade. |
| ThinLinc: | 05/21/25 9:00-10:00 PDT Scheduled Maintenance Sessions will be terminated to apply new configuration settings, and ThinLinc will be unavailable due to system software upgrades. |
| ssh-proxy: | 05/21/25 13:00-14:00 PDT Scheduled Maintenance The SSH Proxy service will be unavailable due to a minor network reconfiguration. Logins using existing, unexpired credentials will be unaffected. Users are encouraged to obtain credentials before the maintenance window to prevent any disruption. |
| registry.nersc.gov: | 05/21/25 14:00-16:30 PDT Scheduled Maintenance *Please note updated time.*. The container image Registry (registry.nersc.gov) will be unavailable while Harbor software is migrated from Centos to Ubuntu 22 OS. Running Spin workloads and cronjobs will be unaffected but may be unable to reschedule or start during the maintenance window. |
| HPSS Archive (User): | 05/28/25 9:00-17:00 PDT Scheduled Maintenance HPSS Archive will be available, but some retrievals from tape may be delayed during the maintenance window. |
| HPSS Regent (Backup): | 05/28/25 9:00-17:00 PDT Scheduled Maintenance HPSS Regent will be available, but some retrievals from tape may be delayed during the maintenance window. |
| Jupyter: | 06/02/25 10:00-11:00 PDT Scheduled Maintenance |
| Perlmutter: | 06/18/25 6:00-22:00 PDT Scheduled Maintenance |
| Perlmutter: | 07/23/25 6:00-22:00 PDT Scheduled Maintenance |
| Perlmutter: | 08/20/25 6:00-22:00 PDT Scheduled Maintenance |
| Perlmutter: | 09/17/25 6:00-22:00 PDT Scheduled Maintenance |
| Perlmutter: | 10/15/25 6:00-22:00 PDT Scheduled Maintenance |
| Perlmutter: | 11/12/25 6:00-22:00 PST Scheduled Maintenance |
| Perlmutter: | 12/17/25 6:00-22:00 PST Scheduled Maintenance |
