Table of Contents
Calendar
Spring Break Maintenance
- Date: 3/27/2018
- Time: All Day
Operating System Update and Reboot
Affected Hosts: All CentOS6, CentOS7, RHEL6, RHEL7, and Ubuntu12 hosts.
Reason: Installation of the latest kernel and security patches that include mitigation for the Meltdown and Spectrev1 vulnerabilities.
Impact:
- ALL ICS managed hosts in the affected groups will recieve the latest OS patches between 3/20 and 3/27.
- ALL ICS hosts will be rebooted between midnight and 1700 on March 27th.
Exceptions List:
The following hosts are scheduled to recieve security only updates:
| bayonet-00.ics.uci.edu | bayonet-01.ics.uci.edu | bayonet-02.ics.uci.edu |
| bayonet-05.ics.uci.edu | bayonet-06.ics.uci.edu | bayonet-07.ics.uci.edu |
| bayonet-09.ics.uci.edu | theory-monster.ics.uci.edu | bayonet-04.ics.uci.edu |
| santa-cruz.ics.uci.edu |
Cybertron Updates
System: Cybertron and Unicron Network Appliance Filers
Date: 3/27/2018
Start Time: 0800
Duration: 2 hour
Reason: Firmware upgrade. Upgrading OnTAP8 to the latest version.
Affects: There is no downtime associated with this work, however a small number of users may experience degraded performance on home or extra directories.
Cybertron/Hitachi Cable Replacement
System: Cybertron and Unicron Network Appliance Filers
Date: 3/27/2018
Start Time: 1000
Duration: 1 hour
Ticket Number: 64977
Reason: Redundantly connect Network Appliance to the Hitachi AMS-2500 via properly .
Affects: The following NFS qtrees may be unavailable during this period:
- cybertron:/vol9
- cybertron:/vol9/ugrad_space
- cybertron:/vol9/grad_space
- cybertron:/vol9/inst_ugrad_space
- cybertron:/vol9/bayonet_scratch_
Web server migration
SYSTEM: sylvester-mccoy-v2.ics.uci.edu and sylvester-mccoy-v3.ics.uci.edu
DATE: 3/26/2018
START TIME: 0700
DURATION: 1 hour
REASON: Websites are being moved to CentOS 7 host.
AFFECTS: Subversion (https://svn.ics.uci.edu), Instdav (https://instdav.ics.uci.edu), Trac Wiki (https://grape.ics.uci.edu), and Mailman (https://mailman.ics.uci.edu) will be on new server hosts.
Sensoria-mysql Disk Expansion
SYSTEM: sensoria-mysql.ics.uci.edu
DATE: 3/20/2018
START TIME: 2200
DURATION: 1 hour
REASON: The MySQL /data partition will be expanded.
AFFECTS: The MySQL database will be stopped briefly in order to unmount and expand the disk partition.
Andromeda/Virtualbox Updates
SYSTEM: andromeda-37.ics.uci.edu, andromeda-38.ics.uci.edu
DATE: 2/9/2018
START TIME: 2000
DURATION: 1 hour
REASON: VirtualBox updates. Installing and updating new kernel-header files.
AFFECTS: Machines will be rebooted and be down for a couple minutes. Users on these machines may experience downtime.
66294 Zion-12 Memory and SSD
SYSTEM: zion-12.ics.uci.edu
DATE: 2/6/2018
START TIME: 1400
DURATION: 2 hour
Reason: Install new hardware, RAM and SSD.
Affects: The host will be unavailable for parts of this downtime.
Named Server Update
SYSTEM: ns1.ics.uci.edu ns2.ics.uci.edu
DATE: 1/4/2018
START TIME: 2:30pm
DURATION: 10 minutes
Reason: Con added ns6.service.uci.edu into production. Since it didn't allow internal view, our lookup to uci.edu domain would go to the root domain and hit their external view dns servers and have an odd result. Adding forwarding zone for uci.edu to lookup from ns1.service and ns2.service resolves this issue for lookups internally.
Affects: Users should not notice any difference. It should stabilize lookups to uci.edu.
Linux Security Updates
SYSTEM: All Intel Base Linux Hosts
DATE: TBD
START TIME: TBD
DURATION: 2 hour
Reason: Operating system updates are required to patch significant security vulnerability on ALL intel based computers.
Affects: Users will see intermittent downtime on all hosts and related services throughout the maintenance window.
Vagrant Update to 2.0.1
SYSTEM: All systems where the Vagrant Package is installed.
DATE: 1/3/2017
START TIME: 1300
DURATION: 2 hour
Reason: Routine update to the vagrant package in order to install compatibility with latest VirtualBox package.
