2018-01-19 21:06:15: Blue Waters compute hardware will be undergoing maintenance on 22nd Jan (Monday), beginning at 7AM. The compute nodes are anticipated to be unavailable for up to 8 hours. The login nodes and data transfer nodes (Globus endpoints) will remain in service. Interim updates will be posted at
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Blue Waters had a component failure and HSN quiesce began around 09:30 AM CT. Job scheduling was paused to isolate the failing components and then resumed. System support staff are
We are experiencing a slow scratch filesystem that started Monday at 11:30AM. We are working toward a resolution. UPDATE: The slow scratch issue was resolved at 1:16PM
We are encountering instability on the login nodes.  The issue is causing high artifical load, and simple commands like "w" and "ps" would hang.  We will be
Update: This issue has been resolved. No changes to your code is necessary.  Please report any other issues to We have been alerted to an issue causing
Blue Waters has been returned to service at 2:27am on 3/29/2017.
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