There will be a rolling network upgrade beginning March 23 at 9:00 a.m. (Pacific) through March 24 at 5:00 p.m.. PFEs will be taken offline one-by-one during this period to facilitate a back-end network migration. Users will have access to all systems, but may have an active session terminated if they are logged into a PFE when staff take it offline. The tentative plan is to migrate pfe20 and pfe21 on the morning of March 23, then migrate pfe22, pfe25, and pfe26 on March 24.

All other front end systems (AFEs, ATHFEs, CFEs, and CGHFEs) will remain unaffected. All compute jobs will remain running and will be unaffected by this migration.