Table of Contents

Summer Quarter 2018 Maintentance Events

Calendar

ICS Computing Support Maintenance Calendar

Summer Quarter Maintenance

Fall quarter Maintenance has been schedule for 9/17/2018. Please check the Summer Maint. website for updates. Send email to helpdesk@ics.uci.edu to have maintenance rescheduled.

Network Switch Firmware Update and Reboot

Affected Hosts: Large number of ICS Hosts

Reason: Switch unresponsive to remote logins.

Impact: These switches provide network connection for a large number of servers. As the firmware update occurs, except network interruptions of up to 1 hour. If you have a server that needs uninterrupted network connection, please email helpdesk@ics.uci.edu with the server name and the reason.

Relocate john-luther to Critical Rack Cluster

Affected Hosts:

Reason: Relocating server to rack with emergency power.

Impact:

Pedigree/Beem systems to new power

Affected Hosts:

Reason: Relocating power to 110V to free up power needed for another project.

Impact: The server will be turned off for about 10-15 minutes while power is rerouted. This will happen after the servers are patched. Rather than a reboot, a brief shutdown will occur instead.

OS Maintenance

Affected Hosts: All ICS and IGB CentOS6/7 hosts.

Reason: Patching multiple critical vulnerabilities that can lead to loss of sensitive information and allow attackers to preform trivial DDOS exploits.

Impact:

Kernel packages updates are required to mitigate these vulnerabilities. New kernel packages will be installed to all CentOS6/7 followed by a reboot to load the new kernel.

If this downtime would cause hardship for your research, please send mail to helpdesk@ics.uci.edu to setup an alternate schedule.

KEA DHCPD Server Release

Affected Hosts: ICS Hosts using DHCP

Reason: Upgrading to ISC KEA DHCP Server.

Impact: Clients should not experience any interuption in service.

Gitlab Server Downtime

(Please note this is an estimate; systems may be up sooner or later than expected, due to unforeseeable circumstances.)

AFFECTS:

During this downtime window, the ICS Gitlab server will be unavailable.

REASON:

The GitLab server will be updated to the latest security release, 11.1.2.

#68260 MySQL Server Maintenance

(Please note this is an estimate; systems may be up sooner or later than expected, due to unforeseeable circumstances.)

AFFECTS:

During this period the MySQL server will be unavailable. Any dependent websites, including https://www.ics.uci.edu, and applications will be unavailable.

REASON:

A restart is required in order to limit the size of the ibtmp1 caching file.

VirtualBox 5.2.18 Upgrade #68338:

Affected Hosts: All ICS hosts

Reason: Upgrading to the latest version of Virtual Box on all ICS hosts between quarters.

Impact: Running VM's may require a restart. No other service outage anticipated.

Vagrant 2.1.4 Upgrade #68338:

Affected Hosts: All ICS hosts

Reason: Upgrading to the latest version of Vagrant on all ICS hosts between quarters.

Impact: Running VM's may require a restart. No other service outage anticipated.

Odin Emergency Maintenance

Affected Hosts: odin.ics.uci.edu.

Reason: Dell Tech will be onsite replacing failed parts.

Impact: 2 hours downtime/interruption on odin host.

This is an estimate and systems may be down longer or back online sooner than estimated.

Patching Odin

Affected Hosts: odin.ics.uci.edu.

Reason: Upgrading the BIOS firmware to fix the CPU error, referring to ticket #68146.

Impact: 2 hours downtime/interruption on odin host.

If this downtime would cause hardship for your research, please send mail to helpdesk@ics.uci.edu to setup an alternate schedule.