Scheduled Downtime Aug 8th-10th
Aug. 8, 2023—Our Summer downtime is scheduled for Aug 8th at 00:00hrs through Aug 10th at 23:59hrs. All ACCRE managed systems will be offline during this time. The scope of the planned work includes: Re-key Slurm (all jobs will be interrupted) Migrate production instance of the Kerberos service Upgrade the VizPortal Move /home from GPFS to Panasas...
Live Sessions on the ACCRE Forum in Slack
Jun. 1, 2023—For several years ACCRE has provided the ACCRE Forum space in Slack primarily as a way for researchers to share experiences and strategies related to cluster usage. Starting next week, ACCRE staff will be available in the ACCRE Forum to answer questions about services, explain available resources, and provide suggestions. The interactive chat sessions will...
Staff Spotlight: Walker Wilson
Jun. 1, 2023—Walker is a storage system administrator with a passion for high performance computing (HPC) storage systems. He holds a master’s degree in computer science from the University of Tennessee at Chattanooga with a concentration in Cyber Security. Walker is committed to delivering optimal storage solutions that meet the demanding requirements of HPC workloads, and works...
Changes to ACCRE account creation for VUMC
Dec. 7, 2022—As of December 15th, VUMC will shut off access to its eLDAP service resulting in a change to the way VUMC users can request access to an ACCRE user account. VUMC researchers who need to create an ACCRE account will need to special source a VUNetID with VUIT before requesting their ACCRE account. This applies...
Staff Spotlight: Sam Ninchritz
Nov. 10, 2022—Samuel Ninchritz joined ACCRE in June 2022 as a system administrator. Prior to joining ACCRE, Samuel received certifications for electronic repair and basic networking through the Army. Afterwards, he went on to receive his A.A.S. in cybersecurity. In his free time, Samuel enjoys spending time at home with is kids, playing games on his computer,...
Research Computing Seminar Series
Aug. 22, 2022—Research Computing Seminar Series Learn to optimize your research computing methods in our upcoming Research Computing Seminar Series. The events are scheduled for the last Tuesday of every month in Featheringill Hall Room 132 from 12:00pm – 1:00pm. Pizza will be provided! August 30, 2022 Optimizing Your Analysis Workflow for Cluster Computing Eric Appelt September...
Planned downtime scheduled for Aug 16-18th
Jul. 28, 2022—Our next scheduled downtime will start in the early morning on August 16th and finish late on August 18th. The main tasks in scope for this downtime include: Replacing key network equipment (spine and possibly external) Replacing a failed controller in DORS Software upgrades Changes to network services We expect all systems to be unavailable...
Updated – new issue with /scratch (June 20th)
Jun. 16, 2022—One of the automated tasks the storage hardware performs to correct drive issues did not terminate properly and put /scratch in a bad state. This had a domino affect and triggered additional issues as it tried to recover. We have taken /scratch offline again in order to clear the bad state of one of the...
MATLAB license update on May 26th, during the updating process the MATLAB license program will be restarted
May. 25, 2022—We are going to update the license for MATLAB on the license server. This renewal is performed annually. In this process we are going to restart the license daemon so it may cause MATLAB jobs to fail.
Slurm maintenance on 1PM to 3PM in April 28th
Apr. 27, 2022—ACCRE recently experienced an issue with slurm, hence we plan an urgent maintenance on slurm tomorrow April 28th between 1PM to 3PM. In the time window we will bring down the slurm controllers and the slurmd services and do maintenance. We expect the maintenance will not hurt the submitted jobs, but users will experience error...