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Flux Outage

Saturday, January 2, 2016
5:00 AM

Flux, the Flux Hadoop cluster, and their storage systems (/home, /scratch, and HDFS) will be unavailable starting at 8 p.m. Saturday, January 2, 2016, returning to service on Wednesday, January 6.

REMINDER: Any submitted HPC jobs must be completed by 8 p.m., Saturday, Jan. 2. The maximum run-time for any job on Flux is 28 days.

During the outage, the following projects have been planned:

  • OS and supporting software updates for the cluster. This will be a minor update to the currently installed RedHat version (RHEL 6.7)
  • Cluster management software will be updated
  • Updates to some default software versions and retirement of some older software packages and/or versions
  • Architectural improvements to the InfiniBand network
  • Deployment of new InfiniBand-to-Ethernet gateways
  • Software updates to the Hadoop cluster

Status updates will be posted on the ARC-TS Twitter feed.

Any questions can be directed to