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May 2026 Maintenance Update

· 4 min read
Kristen Finch
Kristen Finch
Director of Research Computing Solutions

May Maintenance Schedule​

Our monthly scheduled maintenance will take place on Tuesday, May 12, 2026 (2nd Tuesday of the month).

Scheduled Downtime:​

  • Klone: Yes - 9:00 AM-5:00 PM
  • Tillicum: Yes - 10:30 AM-5:00 PM

Maintenance reservations are in place. Jobs whose --time limit would extend into the maintenance window will not start. Adjust your jobs accordingly! Additionally, work will include login nodes, so any active SSH, screen, or tmux sessions will be closed at the start of maintenance.

Update: New Maintenance Communication Approach​

Starting this month, we are updating how maintenance notifications are sent:

  • Week-out reminder - Sent to hyak-users and includes:
    • Maintenance schedule overview
    • Announcements and events
  • Day-before and day-of reminders:
    • Sent separately to klone-users and tillicum-users
    • More targeted and system-specific
  • Maintenance complete notifications:
    • Sent separately per system with relevant updates

Why this change?​

  • More targeted communication for users of each system
  • Flexibility when maintenance differs between Klone and Tillicum
  • Reduced noise for users who only rely on one system

About the mailing lists:​

  • klone-users and tillicum-users are automatically managed based on login access
  • hyak-users remains a voluntary list for broad announcements
warning

Important Storage Reminder for Hyak Klone​

Hyak Klone does not provide backup, persistent storage, or archival storage. All data on Klone exists as a single copy and is therefore vulnerable to loss due to hardware failure, filesystem issues, facility damage, or natural disasters. Users are solely responsible for transferring important results to external systems (for example, Kopah S3 or Lolo Archive) during the course of their project if persistent or long-term storage is required. Retaining long-term or archival data on Klone is against administrative guidance.

Upcoming Events & Workshops​

  • Webinar: Google’s Agent Platform (formerly Gemini Vertex AI) - Join us on Thursday, May 7, at 10:30am on Zoom to discover the future of academic research with Google's Agent Platform! Learn how to deploy from 200+ foundation models, process massive literature reviews with Gemini Enterprise, and ground your AI using RAG services to eliminate hallucinations.
  • Last chance to sign up for our Quantum Hackathon with IBM Quantum on Thursday, May 14, from 10:00 AM–5 PM in the UW Tower South Cafeteria.
  • AWS Kiro - Getting Started from Build to Operate – Join us on Tuesday, May 19, from 10:00 AM–4 PM in CSE2/Gates Hall Room 371 for a hands-on session where you'll explore the capabilities of Kiro, an AI-powered assistant designed to accelerate software development and cloud operations. Lunch will be provided for participants.

Stay informed by subscribing to our mailing list and the UWIT Research Computing Events Calendar.

Office Hours​

  • Cloud Computing Office Hours – Every other Tuesday at 10am on Zoom. Check our events Calendar.
  • Hyak and Tillicum Office Hours:
    • Wednesdays at 2pm on Zoom. Attendees need only register once and can attend any of the occurrences with the Zoom link that will arrive via email. Click here to Register for Wednesday Zoom Office Hours.
    • Thursdays at 2pm in person in eScience. (address: WRF Data Science Studio, UW Physics/Astronomy Tower, 6th Floor, 3910 15th Ave NE, Seattle, WA 98195).
  • Research Computing Club Office Hours – In person in eScience. (address: WRF Data Science Studio, UW Physics/Astronomy Tower, 6th Floor, 3910 15th Ave NE, Seattle, WA 98195). Times may vary. Check our events Calendar.

External Training Opportunities​

Having trouble? Get Research Computing support.

Happy Computing,

Hyak Team