The UK Tier-1 Centre
The centre provides large-scale computing facilities for UK Particle Physics experiments. In May 2007 these consisted of approximately:
- 4690 CPUs running Linux
- 900TB of available disk space
- Tape storage using a Sun robot system (total capacity up to 5 PB)
How to get started
The Tier-1 Centre is generally accessible only via the Grid. See the GridPP user documentation.If you require non-Grid access then this can be arranged for specific reasons. To register as a user of the Tier-1 Centre please send a mail message to Tier-1 Resource Management with the following details:
- Your name and preferred e-mail address
- Your user requirement for non-Grid access
- Home University or Institution
- Full address and telephone number (direct line or with extension number)
- Preferred userid
- Preferred login shell
- Experiment
For any other questions or problems, please contact the Tier-1 Help desk
Current status
This is a view showing the current status of each batch job slot in the farm. Position your mouse pointer over a block to get more information about the slot.
The plot below shows the work running on the Tier-1 farm during the last day.
The plot below shows the work running on the Tier-1 farm in the last four weeks
Further information on Tier-1 statistics gathering.
News items
Here is a mailing list archive of CSF Announcements sent to all users of the Tier-1 farm.
Here is a mailing list archive of CSF Changes used by the Tier-1 farm administration team for tracking changes or problems.
More statistics
Here is a set of monitoring reports about the state of various subdivisions of the farm nodes.
Here is a set of plots showing statistics about the use of PBS (the batch system).
Tier-1 Board
The Tier-1 Board advises the stakeholders on whether the Tier-1 Service at RAL is delivering its objectives on time and making appropriate use of its available resources.User Board Schedule
The User Board is responsible for allocating the Tier-1 resources to the experiments. The allocated and used resources are maintained in the Schedule Document.Contact Tier-1 Help desk for further information
Last modified Fri 24 April 2009
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