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MWT2 Status

MWT2 Status. Greg Cross University of Chicago . USATLAS Tier2 Workshop Harvard University 17–18 August 2006. Outline. Project Update Cluster Topology Architecture and Software Next 3 Months. Project Update.

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MWT2 Status

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  1. MWT2 Status Greg Cross University of Chicago USATLAS Tier2 Workshop Harvard University 17–18 August 2006

  2. Outline • Project Update • Cluster Topology • Architecture and Software • Next 3 Months MWT2 Status / USATLAS Tier2 Workshop

  3. Project Update • Existing UC and IU prototype Tier2 resources strong contributors to Panda production, OSG development (ITB), ATLAS user-grid and interactive analysis • Production MWT2 facility ( http://plone.mwt2.org/ ): • Phase 1: RFP complete, vendor selected (ACT), first installations at both IU and UC Sep 1 (106K SI2K, 52 TB combined & dCache+Edge/Grid servers, 10 Gbps ethernet) • Phase 2: quickly follows with same hardware (~doubling CPU & disk) • 10 Gbps connectivity established campus-level at UC and IU to Starlight; new MWT2 clusters will have 10 GigE data movers as edge servers • Staff: 3 sys admins hired, one vacancy (now advertising); shared admin model between UC and IU sites being developed. MWT2 Status / USATLAS Tier2 Workshop

  4. Project Update • Major contributions to US ATLAS in LCG accounting, DQ2 installation procedures, and Panda troubleshooting and support • 5 service deployments of DQ2 latest release in the ATLAS DDM infrastructure • GUMS (shared service between sites), VOMS, and OSG implement ATLAS roles with queue priorities set according to US ATLAS RAC. • 4 TB-scale production SRM/dCache service deployed, tested at 40 MB/s w/SC4 transfers • Leveraged resources from NSF/MRI for ATLAS managed production and ATLAS physicist-users (UC Teraport project) • Development cluster in OSG Integration Testbed MWT2 Status / USATLAS Tier2 Workshop

  5. Cluster Topology MWT2 Status / USATLAS Tier2 Workshop

  6. Architecture and Software • UC and IU have “mirrored,” remote-managed cluster design for co-institutional administration • SLC4 running on AMD64, initially in 32-bit mode • Managed with ACT tools plus other configuration tools (likely bcfg2) • Minimizing network filesystem dependencies on compute nodes • dCache aggregates storage on compute nodes with dedicated (edge) write pools MWT2 Status / USATLAS Tier2 Workshop

  7. Next 3 Months • Deploy functional cluster as unified facility with local customizations • Validate and exercise services (Grid, DQ2, dCache, job queue) • Begin integration of Tier2 prototype and Tier3 resources at each site • Instrument with monitoring (Ganglia, Nagios, OSG and ATLAS monitors) • Publish usage policies MWT2 Status / USATLAS Tier2 Workshop

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