NERSCPowering Scientific Discovery for 50 Years

Live Status

Compute Systems:

SystemStatusJobs RunningJobs QueuedCores in UseLoadDescription/Notes
Perlmutter:
Down
01/15/25 6:00-22:00 PST Scheduled Maintenance

Global Filesystems:

SystemStatusDescription/Notes
Community File System (CFS):
Up
DNA:
Up
Data Transfer Nodes:
Degraded
01/15/25 5:30-22:00 PST Scheduled Maintenance
Global Common:
Up
Global Homes:
Up

Mass Storage Systems:

SystemStatusDescription/Notes
HPSS Archive (User):
Down
01/15/25 9:00-17:00 PST Scheduled Maintenance
HPSS Regent (Backup):
Degraded
01/15/25 9:00-17:00 PST Scheduled Maintenance

Service Status:

All services are available.

Planned Outages:

Perlmutter:01/27/25 9:00-02/01/25 22:00 PST Scheduled Maintenance
Please note updated start time 09:00 PST / 17:00 UTC.
Spin:01/27/25 9:00-02/01/25 22:00 PST Scheduled Maintenance
Workloads that mount CFS will be shut down at 9:00am in preparation for CFS maintenance; the same set of workloads will be restarted by 10:00pm on 2/1/25 (estimated). No changes will be made to workloads that do not mount CFS.
HPSS Archive (User):01/27/25 9:00-02/01/25 22:00 PST Scheduled Maintenance
UPDATED: Please note new start time 09:00 PST / 17:00 UTC. CFS and Perlmutter SCRATCH will be unavailable for HPSS transfers during NERSC site-wide power maintenance.
HPSS Regent (Backup):01/27/25 9:00-02/01/25 22:00 PST Scheduled Maintenance
UPDATED: Please note new start time 09:00 PST / 17:00 UTC CFS and Perlmutter SCRATCH will be unavailable for HPSS transfers during NERSC site-wide power maintenance.
Data Transfer Nodes:01/27/25 9:30-02/01/25 22:00 PST Scheduled Maintenance
UPDATED: Please note new start time 09:30 PST / 17:30 UTC CFS and Perlmutter SCRATCH will be unavailable on DTNs during the NERSC site-wide power maintenance.
Community File System (CFS):01/27/25 10:00-02/01/25 22:00 PST Scheduled Maintenance
CFS will be unavailable during the NERSC site-wide power maintenance.
Perlmutter:02/19/25 6:00-22:00 PST Scheduled Maintenance
Network:03/12/25 9:00-13:00 PDT Scheduled Maintenance
Hardware Retirement Phase 1 - Networking will move existing internal networks to new hardware. This work will require several short (~30mins) periods of downtime, however the whole window is reserved. The outage will impact some activities for HPSS, DTNs, Spin and NGF/CFS
Perlmutter:03/19/25 6:00-22:00 PDT Scheduled Maintenance
Perlmutter:04/16/25 6:00-22:00 PDT Scheduled Maintenance
Perlmutter:05/21/25 6:00-22:00 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

Past 24 Hour Outages:

Data Transfer Nodes:01/15/25 6:00-6:10 PST Unavailable
A reboot affecting Data Transfer Nodes between 06:00 - 06:10 caused an unexpected outage.
IRIS:01/15/25 7:00-8:40 PST Unavailable
Jupyter:01/15/25 10:00-10:10 PST Scheduled Maintenance
Jupyter will be unavailable during this time for scheduled service updates.

Outage Calendar

Other Status Pages