ARC User Documentation
  • Getting Started
  • Information for Faculty/PIs
  • Resources
    • Common Datasets
    • Computational Resources
    • GPUs available on ARC systems
    • ARC Maintenance Outages
    • Open OnDemand
    • Storage Resources
    • System Changes History
      • ARC System Changes: 2025-05
      • ARC System Changes: 2025-01
  • Software
  • Usage
ARC User Documentation
  • Resources
  • System Changes History

System Changes History

Contents:

  • ARC System Changes: 2025-05
    • Partition Changes
      • Consolidation of partitions
      • Decoupling CPU and Memory Requests to enable “right-sizing” of jobs
    • Job Billing
      • Free Tier Increases to 1M units per PI monthly
      • Billing Consistently Applies to all Clusters
      • Billing Reflects All Resources Allocated
    • Adding QOS Options for Scheduling Flexibility
    • Cluster organization
      • Infer cluster being retired
      • Operating System Upgrade on All Clusters
      • /globalscratch symlinks for /scratch are removed
      • Cluster data to be made “private”
      • New tools for cluster monitorization
    • Software and Modules Unification
      • Mount point updates for software stacks
    • Frequently Asked Questions (FAQ)
      • Slurm jobs
      • Software
      • Billing
  • ARC System Changes: 2025-01
    • Outline of Changes
      • Tinkercliffs Operating System Upgrade from CentOS 7 to Rocky 9
      • New Open OnDemand
      • /scratch and /common replacing /globalscratch and /global
      • /fastscratch and /vtarchive removed from clusters
    • Answers for some frequently asked questions (FAQ)
      • “The software module I used before maintenance isn’t there now. Can you reinstall it for me?”
      • “What does ‘Legacy Apps’ on Open OnDemand mean?”
      • “How can I recover data from /fastscratch?”
Previous Next

© Copyright 2025, Advanced Research Computing at Virginia Tech.

Built with Sphinx using a theme provided by Read the Docs.