A testbed for the SuperB computing model

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A testbed for the SuperB computing model G. Russo, S. Pardi, D. Del Prete 1 G. Russo, S. Pardi, D. Del Prete Bologna, 2010 november 16th-17th

The rationale Following the Ferrara and Frascati meeting, we decided to setup a testbed for SuperB applications The testbed is based on 12 servers (8 core, 32 GB, 8 disks), connected with a 2x10 GbE A further server (48 core) under order The tests will be based on: RoCE, MPI, data access, dataset distribution, monitoring tools G. Russo, S. Pardi, D. Del Prete Bologna, 2010 november 16th-17th

The configuration of each node 1 Gbps 2x CPU 2,13GHz 4Core, 4,80GT/s + 4,80GT/s QPI 8x 4GB Dual Rank 1066MHz 8x HDD 500GB 7200rpm SATA Hot-Plug 3,5” 10 Gbps 1 Gbps 10 Gbps UTP Twinax 2 G. Russo, S. Pardi, D. Del Prete Bologna, 2010 november 16th-17th

4x Twinax 10Gbps connection for Rack Next door Optical fiber Lan2 10Gbps Rack 24 Optical fiber Lan1 10Gbps Swirch 1Gb 48p Twinax 10Gbps connection 4x Twinax 10Gbps connection for Rack Next door Swirch 10Gb 24p 3 G. Russo, S. Pardi, D. Del Prete Bologna, 2010 november 16th-17th

4x Twinax 10Gbps connection Rack 25 Server 48 Core 128GB di RAM 4x Twinax 10Gbps connection Storage 16x 3TB 4 G. Russo, S. Pardi, D. Del Prete Luogo, 16 – 17 novembre 2010

Location: Data Center SCoPE 4 G. Russo, S. Pardi, D. Del Prete Luogo, 16 – 17 novembre 2010

Monitoring tools We are re-engineering a tool realized during 2009-2010 for the ATLAS TIER2 in Naples. The tool is based on a Enterprise Integration Portal (EIP) [Liferay], integrating a lot of functions already available in other sites, and implementing several additions. The re-engineering will allow to monitor a distributed TIER 1. 5 G. Russo, S. Pardi, D. Del Prete Bologna, 2010 november 16th-17th

Liferay as a portlet container Using Liferay as a portlet container, we could integrate several etherogeneous tools, allowing an integrated vision of all devices and all services 6 G. Russo, S. Pardi, D. Del Prete Bologna, 2010 november 16th-17th

Examples (tier2.na.infn.it) We can monitor hosts, storage, devices, data transfers, services, with a single tool 7 G. Russo, S. Pardi, D. Del Prete Bologna, 2010 november 16th-17th

The collection of monitoring data We used NRPE (Nagios Remote Plugin Executor) on each node, avoiding too much load on the central monitoring station When the server cannot be reached (e.g. because of a firewall) we used NSCA (Nagios Service Check Acceptor) that is, is the server to send data to the central monitoring station 8 G. Russo, S. Pardi, D. Del Prete Bologna, 2010 november 16th-17th

Architecture of the monitoring portal Liferay integrates all tools, and will provide base services (like SSO) 9 G. Russo, S. Pardi, D. Del Prete Bologna, 2010 november 16th-17th

The software we used Nagios for monitoring all services Nagvis for interactive navigation NaReTo for the reporting Centreon for advanced services Cacti for monitoring the network devices Weathermap for a topological navigation of the network Integration of the following applications: GRIDICE, GANGLIA e POWERFARM 10 G. Russo, S. Pardi, D. Del Prete Bologna, 2010 november 16th-17th