1. 05/07/00LHCb Computing Model Meeting (CERN) LHCb(UK) Computing Status Glenn Patrick 05.07.00 Prototype (Tier 1) UK national computing centre Bid to Joint Infrastructure Fund (JIF) for £5.9M. Submitted in Feb 2000, outcome known in ~ Nov. Sited at RAL. Shared between ALICE/ATLAS/CMS/LHCb. All UK LHC institutes signed bid. Integrated Resources200120022003 Processors (PC99-450MHz)83016703100 Disk (TB)2550125 Tape (TB)67130330

2. UK Tier 2 Centres? Liverpool MAP/COMPASS (LHCb/ATLAS) Funded by Joint Research Equipment Initiative (JREI) 1998. 300 PCs (400MHz,PII) and 3*1TB disk nodes. Operational since December 1999. Prototype Scottish Computing Centre (LHCb/ATLAS) Bid to Joint Research Equipment Initiative (JREI) May 2000. Outcome known in ~ December. MC prod.facility (128 cpus+1TB RAID) at Glasgow. 5TB RAID disk array + server at Edinburgh.

3. Other Initiatives Long Term Science Review (PPARC) LHC computing/Grid identified as priority. Government Spending Review - indication in July, details known in October/November? EU Data Grid Proposal UK (PPARC) is one of the lead partners. IBM(UK) is industrial partner. Committees and teams evolving. Preliminary answer in July?

4. From UK Town Meeting 15.3.2000 Which Grid Topology for LHCb(UK)? Flexibility important. CERN Tier 1 INFN RAL IN2P3 Tier 2 Liverpool Glasgow Edinburgh Department Desktop users Tier 0 etc….