2019 Winter Quarter Maintenance Schedule

Andromeda Cluster Offline

* Downtime Notice *

SYSTEM: Andromeda 1-40
DATE: 3/27/2018
START TIME: 0730
DURATION: 2 hours
AFFECTS:

These hosts will lose power as part of the work done to fix a bad power receptacle.

Titan Cluster Updates

Titan Cluster Update * Downtime Notice *

SYSTEM: cronus, oceanus, hyperion, rhea, tethys, themis
DATE: 3/28/2018
START TIME: 0900
DURATION: 1 hours
AFFECTS:

These hosts will be updated with the current kernel and security patches. Each system will be rebooted following the application of patches.

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

Asterix and Cacofonix Cluster Updates

Asterix and Cacofonix Cluster Update * Downtime Notice *

SYSTEM: asterix and cacofonix clusters
DATE: 3/27/2018
START TIME: 1300
DURATION: 1 hours
AFFECTS:

These hosts will be updated with the current kernel and security patches. Each system will be rebooted following the application of patches.

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

Sensorium Cluster Updates

Sensorium Cluster Update * Downtime Notice *

SYSTEM: sensorium cluster
DATE: 3/27/2018
START TIME: 1100
DURATION: 1 hours
AFFECTS:

These hosts will be updated with the current kernel and security patches. Each system will be rebooted following the application of patches.

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

Pedigree Cluster Updates

Pedigree Cluster Update * Downtime Notice *

SYSTEM: pedigree cluster
DATE: 3/27/2018
START TIME: 0900
DURATION: 1 hours
AFFECTS:

These hosts will be updated with the current kernel and security patches. Each system will be rebooted following the application of patches.

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

Instructional Host Updates

Instructional Cluster Update * Downtime Notice *

SYSTEM: odin.ics.uci.edu, hermod.ics.uci.edu, tristram.ics.uci.edu, motorhead.ics.uci.edu, kiss.ics.uci.edu
DATE: 3/26/2018
START TIME: 0700
DURATION: 1 hours
AFFECTS:

These hosts will be updated with the current kernel and security patches. Each system will be rebooted following the application of patches.

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

Spring Quarter Software Updates

The following software will be updated to the indicated version during the break between Winter and Sprint quarters 2019:

Anaconda
Clamp
FSL
Julia
OpenJDK
Python
Vagrant 2.2.4
VirtualBox

Kenya UPS battery reconditioning

* Downtime Notice *

SYSTEM: Kenya
DATE: 3/25/2019
START TIME: 0900
DURATION: 1 hours

AFFECTS

The HITACHI file server should not be affected by the UPS being powered off as the public power will take the load while the UPS battery is being drained. If it does lose power, the following extra and auto directories would be affected:

wayne_scratch0
chenli-research0
communications_scratch0
grad_space
ugrad_space

IGB 10GB switch reboot

* Downtime Notice *

SYSTEM: IGB 10GB Switch
DATE: 3/11/2019
START TIME: 0800
DURATION: 1 hours

AFFECTS

The following hosts will experience a brief outage while the switch reboots.

arcus-10
arcus-11
arcus-12
arcus-13

Jim Rockford Network Reconfiguration

* Downtime Notice *

SYSTEM: jim-rockford.ics.uci.edu and virtual machine guests
DATE: 1/22/2019
START TIME: 0700
DURATION: 1 hours

AFFECTS

The following hosts:services may experience brief outages during this period.

rockford-v0.ics.uci.edu:ldap
rockford-v1.ics.uci.edu:staff/faculty cycle service
rockford-v3.ics.uci.edu:lbnamed1 (DNS load balancer).
rockford-v4.ics.uci.edu:imap0
rockford-v6.ics.uci.edu:vault0
rockford-v7.ics.uci.edu:gitlab-ics53w2019

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