Table of Contents

2022 Maintenance Schedule

Winter Break 2022 Data Center Upgrades (Dec 9th - )

Aleph Rack Relocation (Dec 14th)

The rack containing the Aleph cluster will be replaced with a deep GPU rack and moved to the seismic pads.

Gitlab Upgrade (Dec 12th )

Gitlab servers will be down briefly in order to upgrade the latest update. This will include the main ICS gitlab server and ones set up for individual classes.

Openlab Upgrade

Openlab Downtime to be schedule in order to apply latest kernel and security packages.

Kubernetes Updates

Pending.

Reinstall nebula-4 & nebula-6

Replace hard drives and reinstall hosts.

September 20th ICS MySQL Server and all Dependent Services

The ICS Mysql Source MySQL server will be in read-only maintenance mode for a period of time on Tuesday evening beginning at 2100(9pm) on September 20th. in order to make a complete copy and reinitialize the MySQL replication server. During this time ICS services dependent on the main ICS MySQL respond slower than usual or may not respond at all. The replication runs regular backups of the ICS MySQL database and runs as a hot spare in case something catastrophic happens to the source MySQL server.

June 27, 2022 - Soft2 Hardware Replacement

Users connected to soft2 will experience downtime and will need to reconnect to soft1.

June 17th, 2022 - Jupyterhub Reboot

The kubernetes nodes used by Jupyterhub and Staging Jupyterhub will be patched and rebooted during this period. Most user hubs will be shutdown and reset at this time.

June 15, 2022 - Openlab Reboot

June 15, 2022 - Gitlab Reboot

June 13, 2022 - Soft2 Hardware Replacement

Users connected to soft2 will experience downtime if a reboot is required.

June 13, 2022 - Openlab SLURM Downtime

The latest version of SLURM is being setup on these nodes. During that time, SLURM will be in a state of flux and it is best if no jobs are running during that time. All running jobs will be cancelled prior to the start of the maintenance period.

June 4, 2022 - SLURM Downtime

The latest version of SLURM is being setup on these nodes. During that time, SLURM will be in a state of flux and it is best if no jobs are running during that time. All running jobs will be cancelled prior to the start of the maintenance period.

NOTE: Openlab has been delayed to June 13.

Gitlab Update

June 2022

April 6, 2022, RT#83337

Critical security patch released for GitLab CE/EE versions 14.7 prior to 14.7.7.

March 2022, RT#82999

The main Gitlab server will be upgraded from 13.12.2 to 14.7.5. The instructional gitlab (ie. gitlab-cs142a*) will not be affected.

2DSC Electrical Panel Shutdown

Phase 2 of the electrical panel and transformer project for the ICS Datacenter will take beginning on Tuesday, February 8. Any servers powered off that panel will be shifted to new power prior to this date. 2DSC breakers will be turned off on Thursday, February 3rd.

helpdesk.ics.uci.edu (second try)

Downtime Notice: helpdesk.ics.uci.edu Date: Thursday, January 13 Duration: 2100-2200

The version of RequestTracker running on https://helpdesk.ics.uci.edu will be updated from 4.4.1 to 5.0.2.

During this time, mail sent to helpdesk@ics.uci.edu may not reach Helpdesk but messages will be put into another queue and forwarded into Helpdesk following the upgrade.

If this scheduling creates a hardship for you or your research, please send mail to helpdesk@ics.uci.edu to reschedule.

This scheduling is an estimate. The process may take more or less time depending on how much information needs to be moved.

helpdesk.ics.uci.edu

Downtime Notice: helpdesk.ics.uci.edu Date: Wednesday, January 12 Duration: 2200-2300

The version of RequestTracker running on https://helpdesk.ics.uci.edu will be updated from 4.4.1 to 5.0.2.

During this time, mail sent to helpdesk@ics.uci.edu may not reach Helpdesk but messages will be put into another queue and forwarded into Helpdesk following the upgrade.

If this scheduling creates a hardship for you or your research, please send mail to helpdesk@ics.uci.edu to reschedule.

This scheduling is an estimate. The process may take more or less time depending on how much information needs to be moved.