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ICS Maintenance September 21, 2016

We will be making multiple potentially disruptive changes to ICS systems on this day.

Planned Maintenance


  • Operating System Patches
  • Virtual Box Update
  • SPF Email Implimentation

Scheduled Preparation Week of 6/13

Date Time Description
9/18 Begin performing yum update on all non-infrastructure CentOS hosts
9/21 Release Virtual Box and Docker Update via Puppet
9/21 Default Version update for Java, R, Mathematica, SAS, Matlab
9/21 Openlab Upgrade to CentOS7
9/21 Openlab reboot
9/21 SPF Implementation (RT Ticket #59623)
9/21 Cisco Nexus Firmware Update
9/21 Libya UPS Manual Reconditioning. (RT Ticket #59847). Possible downttime for hosts in Rack A05.

Operating System Patches

Lates patches will be applied to all CentOS5, CentOS6 and CentOS7 hosts.

Virtual Box Update

All ICS systems with Virtual Box currently installed will be updated to the latest available. Any running Virtual Box instances will be shutdown.

ICS Software Library Default Version Updates

We've installed new versions of some core packages in /pkg. Beginnin on 9/21, the module loads of the following packages (e.g. module load java) will load the most recent version in the package by default:

  • Java
  • R
  • Mathematica (Software is available from Support).

Openlab Upgrade to CentOS7

All ICS Openlab hosts will be upgraded to CentOS7 for the Fall Quarter 2016. Faculty may test out this new environment today by logging into

A new SGE queue of openlab hosts running CentOS7 is available now as “openlab.q”.

Openlab reboot

Openlab hosts will be rebooted througout the day to upgrade the operating system to CentOS 7 or to apply the latest CentOS7 patches.

SPF Implementation

ICS will be adding SPF records to our DNS record. More information on SPF

See email settings

On September 21st, ICS will publish a list of authorized sending hosts. After this change, email that is sent that does not originate on one of these valid email senders may be rejected.

projects/maint-9-21-2016.1469836433.txt.gz · Last modified: 2016/07/29 16:53 by Hans
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