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Subject:	Seaborg scheduled downtime Monday, August 15
Author:	David Turner <dpturner_at_lbl.gov>
Date:	2005-08-10 08:47:44
Greetings NERSC SP User, On Monday, August 15, NERSC will be taking Seaborg down for a major system software upgrade. The system will be taken down at 14:00 Pacific Time on Monday afternoon, and is expected to return to service by 10:00 Tuesday morning. Because this upgrade includes significant changes to runtime libraries, it will not be possible to checkpoint and restart the production workload. Therefore we will begin draining the LoadLeveler batch classes beginning at 06:00 Monday morning. During this time, only jobs submitted to the "backfill" class will be allowed to start. Any jobs still running at 14:00 will be killed. -- Best regards, David Turner User Services Group email: dpturner@lbl.gov NERSC Division phone: (510) 486-4027 Lawrence Berkeley Lab fax: (510) 486-4316

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