All NAS computing systems and the Lou mass storage system will be unavailable on Wednesday, March 29, from 10:00 a.m. to 11:59 p.m. (Pacific Time) to facilitate system patching.

The following services will be affected:

• Aitken, Pleiades, Electra, and Endeavour will not be available during this period, jobs cannot be submitted, and there will be no access to the Lustre or NFS filesystems.
• All running jobs will be suspended at the beginning of the period and will be resumed at the conclusion of the period. Interactive PBS jobs (jobs created with "qsub -I") submitted from the front ends will be killed when the front ends are rebooted for their patching.
• Pleiades front ends (PFEs), Lou front ends (LFEs), and the NAS Data Portal will be unavailable during this period.

For helpful information about completing jobs in advance of dedicated time, see the following Knowledge Base article: Running Jobs Before Dedicated Time.

If you have any questions or need more information, please contact the Control Room at (800) 331-8737, (650) 604-4444, or support@nas.nasa.gov.