The Libra Cluster
Scheduled Downtime
The Libra maintenance window is the first Tuesday of each month, 8am-5pm.
January, 2007
Libra will be unavailable on Tuesday, January 9th, 8AM - 5PM for system maintenance. The lastest software patches will be applied.
December, 2006
Libra will be unavailable starting on Thursday, December 28th at 2PM until December 29th at 9AM due to a scheduled power outage in the ICTC Datacenter.
May, 2006
Libra will be unavailable on Tuesday, May 2th, 8AM - 12PM for system maintenance. A reboot is required for the installation of new network drivers and patches.
April, 2006
Libra will be unavailable on Tuesday, April 4th, 8AM - 12PM for system maintenance. LoadLeveler must be restarted everywhere to clear scheduling problems.
March, 2006
Libra will be unavailable on Tuesday, March 7th, 8AM - 5PM for system maintenance. Latest OS patches to be applied.
February, 2006
None
January, 2006
Libra will be unavailable on Sunday, January 1st at 5PM until Monday, January 2nd at 5PM due to a scheduled power
outage for renovation of the WCC machine room.
December, 2005
Libra will be unavailable on Tuesday, December 6, 8AM - 5PM for system
maintenance. LoadLeveler and Moab will be updated to the latest patch level and we will
revert to using the Moab scheduler instead of the LoadLeveler backfill scheduler.
November, 2005
None.
October, 2005
Libra will be unavailable on Monday, October 3rd, 8AM - 5PM for system maintenance. LoadLeveler will be updated to the latest patch level and we will switch
from using the LoadLeveler backfill scheduler to the Maui scheduler.
September, 2005
Libra will be unavailable on Tuesday, September 6th, 8AM - noon for maintenance on
the Force10 Gigabit Ethernet switch.
