Table of Contents
2023 Maintenance Schedule
December
- Openlab Linux Cluster Update
- Openlab Hub Update
- Slurm Update
- KDC
Openlab Linux Cluster update
The latest Ubuntu 22.04LTS Vendor supplied packages will be installed on the Openlab Linux Cluster.
When: 12/18 and 12/19, all day.
Affected hosts:
- All circinus hosts
- odin.ics.uci.edu
- tristram.ics.uci.edu
- hermod.ics.uci.edu
Emp Linux Cluster update
The latest CentOS7 Vendor supplied packages will be installed on the Emp Linux Cluster.
When: 12/18 and 12/19, all day.
Openlab Hub Cluster update
The hub image will be rebuilt with the latest scipy-notebook and deployed on the ics https://hub.ics.uci.edu jupyterlab cluster.
All running pods will be terminated and users must start new hubs.
When: 0800-0900 12/20/2024
Slurm Update
The host running many of the slurm distribution nodes needs to be updated and rebooted during break.
When: 12/19, All day.
Kerberos Domain Controller Update
The hosts running the Kerberos Domain Controllers will be updated and rebooted.
When: 12/19, all day.
Gitlab Security Update
Gitlab servers will be down in order to upgrade to a more recent release. This will include the main ICS gitlab server and ones set up for individual classes.
- Downtime Notice: gitlab.ics.uci.edu,
- Date: Wednesday, December 20, 2023
- Duration: 0800-1200
- Downtime Notice: gitlab-ics46-*.ics.uci.edu, gitlab-cs142a-*.ics.uci.edu
- Date: Tuesday, December 19, 2023
- Duration: All day
September
Gitlab Security Update
Gitlab servers will be down in order to upgrade to a more recent release, 16.3.4. This will include the main ICS gitlab server and ones set up for individual classes.
- Downtime Notice: gitlab.ics.uci.edu, gitlab-ics46-*.ics.uci.edu, gitlab-cs142a-*.ics.uci.edu
- Date: Friday, September 29, 2023
- Duration: 0800-1200
June
Tardigrade Update
Non-disruptive software update on tardigrade.
- Downtime Notice: tardigrade.ics.uci.edu
- Date: Friday, June 23, 2023
- Duration: 0800-1000
Gitlab Security Update
Gitlab servers will be down in order to upgrade to the latest security release. This will include the main ICS gitlab server and ones set up for individual classes.
- Downtime Notice: gitlab.ics.uci.edu, gitlab-ics46-*.ics.uci.edu, gitlab-cs142a-*.ics.uci.edu
- Date: Tuesday, June 20, 2023
- Duration: 0800-1200
April
Posion (Openlab GPU) Patch/Reboot
Downtime Notice: Poison will be Patched and Rebooted Date: Monday, April 17th Duration: 8AM - 12PM
March
Openlab Patch and Reboot
- Downtime Notice: Openlab Hosts will be Patched and Rebooted
- Date: March 30th - March 31st
- Duration: Systems may go down any time on either day.
Gitlab Security Update
Gitlab servers will be down in order to upgrade to the latest security release. This will include the main ICS gitlab server and ones set up for individual classes.
- Downtime Notice: gitlab.ics.uci.edu, gitlab-ics46-w23.ics.uci.edu, gitlab-cs142a-w23.ics.uci.edu
- Date: Tuesday, March 28, 2023
- Duration: 0800-1200
February
Emergency Maint. February 9th, 2023 0930 veronica-mars.ics.uci.edu reboot
- Downtime Notice: veronica-mars.ics.uci.edu
- Date: February 9th
- Duration: 0930-1200
The bare-metal host has become unresponsive and must be power cycled. The followig list of virtual machines run on veronica-mars and will be impacted by this event:
Virtual Machines:
- kdc00.ics.uci.edu (kerberos)
- vault.ics.uci.edu
- slurm-pedigree
- slurm-igb
- slurm-ai4science
- slurm-ava
- helpdesk.ics.uci.edu
- slurm-biodatascience
Emergency Maint. February 9th, 2023
- Downtime Notice: sonny-crockett.ics.uci.edu
- Date: February 9th
- Duration: 1200-1400
The bare-metal host has become unresponsive and must be power cycled. The followig list of virtual machines run on sonny-crockett and will be impacted by this event:
Virtual Machines:
- ns2.ics.uci.edu (bind nameservice)
- vault.ics.uci.edu
- ics-db00.ics.uci.edu (mysql 8 server)
- helpdesk.ics.uci.edu
