All NAS computing systems and the Lou mass storage system will be unavailable on Tuesday, August 2, 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.
• All jobs running when the dedicated time begins will be suspended for the duration and resumed when patching is complete.
• Lou front ends (LFEs) will be unavailable during this period. Interactive PBS jobs (jobs created with "qsub -I") submitted from the LFEs will be killed when the LFEs are rebooted for their patching.
• Pleiades front ends (PFEs) will remain available during this period.

We apologize for the inconvenience. If you have any questions, please contact the NAS Control Room at (800) 331‑8737, (650) 604‑4444, or by email at support@nas.nasa.gov.