On Saturday, 1 August 2015, the Defense Research and Engineering Network (DREN) will be conducting required maintenance that will affect HPCMP users. Between the hours of 0900-1500 EDT, there will be brief periods of interruption affecting network traffic. During these interruptions, users may experience the following problems:
. Information on current and upcoming maintenance periods can be found at http://centers.hpc.mil/index.html.
- Kerberos Key Distribution Center (KDC): The primary KDC may be unavailable during the interruptions. This would impact a user's ability to obtain a Kerberos ticket.
- OpenID: The OpenID server may be unavailable during the interruptions. Users may be temporarily unable to access any site requiring OpenID authentication, including the Portal to the Information Environment (pIE), the HPC Portal (http://portal.hpc.mil), Advanced Reservations (https://reservation.hpc.mil), and the user dashboard (https://dashboard.hpc.mil).
- License Server: The License Server may be unavailable during the interruptions. Jobs running during the outages may encounter problems accessing external licenses. Jobs may fail.
- Data Transfers: Data transfers running to your local user workstation may fail.