Halstead Cluster Maintenance UpgradeUPDATE: May 15, 2018 2:18pm
As of 2:18pm, engineers have completed the CentOS 7 upgrade and maintenance, and have returned the Halstead cluster back to normal service. All queues have been enabled and jobs have resumed scheduling.
Please note that Halstead default scratch has been changed to the new scratch filesystem, as explained in the New Halstead Scratch Storage announcement.
Please report any issues to firstname.lastname@example.org
ORIGINAL: April 10, 2018 2:43pm
The Halstead cluster will be taken down on Monday, May 14th, 2018 at 8:00am for a planned upgrade to CentOS7. This process is expected to take two days, and Halstead will not return to service until 5:00pm on Tuesday, May 15th, 2018.
This upgrade may affect applications you have built yourself and will also include changes to existing applications. More information about this upgrade, including how to test your work in advance through a testing queue, is available in the announcement article "Halstead Upgrade to CentOS7".
During this time, Halstead will also have the default scratch path change to the new scratch filesystem, as explained in the New Halstead Scratch Storage announcement.
Any jobs which would not complete before Monday, May 14th, 2018 at 8:00am will be held in the queue until after the maintenance.