Start: Tuesday April 21, 2009 21:00 EDT
End: Tuesday April 21, 2009 22:00 EDT
Affecting: Services provided by the following servers:
cn-ona - network switch maintenance
mailman - mailing lists
rumours - nntp
ist-xas - printing on campus
penguin - linux printing
Reason: Planned patching of the software on each of the machines.
If anyone has an issue with this downtime, please contact me no later than Tuesday April 21, 2009 16:30.
jbgorrie @ uwaterloo.ca