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25/05/2009, 09:30Opening remarks by Prof. Bo Kågström, director HPC2N.Go to contribution page
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Mr Troy Dawson (FERMILAB)25/05/2009, 10:30Operating Systems & ApplicationsFermi Linux Short Term Support This project helped fix a problem at Fermilab for bleeding edge hardware. It also helped the Scientific Linux development team look at what might be possible with Scientific Linux 6. This presentation will show what we were able to do with Fermi Linux STS, and give some insight into what might be coming with Scientific Linux 6.Go to contribution page
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Mr Thomas Bellman (National Supercomputer Centre, Sweden)25/05/2009, 11:00Operating Systems & ApplicationsAs a way of automating and structuring the administration of our clusters, we have started using Puppet, which is a system for configuring and administering Unix machines, similar to Cfengine. We here present our experiences, and show some of Puppet's strengths and weaknesses.Go to contribution page
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Wolfgang Friebel (Deutsches Elektronen-Synchrotron (DESY))25/05/2009, 11:30Operating Systems & ApplicationsDESY recently planned to migrate some of its UNIX based IMAP servers to dovecot. The latest releases of dovecot (version 1.2) include support for several mailbox fomats, quota handling, compressed folders, ACLs and allows for a comfortable configuration of namespaces. The additional sieve component and the managesieve protocol does enable users to configure server side filtering and managing...Go to contribution page
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Mario David (LIP Laboratorio de Instrumentaco e Fisica Experimental de Particulas)25/05/2009, 13:00Site reportsThe Portuguese LCG federated Tier-2 supports the ATLAS and CMS experiments and is composed of three sites. Two of these sites (Lisbon and Coimbra) are already in production and the third one is currently being setup (LNEC/FCCN). We will describe briefly the Tier2 and then concentrate on the Storage Element component. In the middle of 2008, it was decided to use the Storm SRM with SUN's...Go to contribution page
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Dr Helge Meinhard (CERN-IT)25/05/2009, 13:20Site reportsSummary of changes at CERN since the last meetingGo to contribution page
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Marc Gasser (PSI)25/05/2009, 13:40Site reportsScientific Linux 5 Configuration Management with Puppet New Spam FilterGo to contribution page
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Mattias Wadenstein (NDGF)25/05/2009, 14:00Site reportsRecent development and news from the NDGF sphere.Go to contribution page
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Michel Jouvin (LAL / IN2P3)25/05/2009, 14:20Site reportsLAL and GRIF Site reportGo to contribution page
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Mr Martin Bly (STFC-RAL)25/05/2009, 14:40Site reportsUpdate on activities at the RAL Tier1Go to contribution page
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Mr Manfred Alef (Forschungszentrum Karlsruhe)25/05/2009, 15:30Site reportsCurrent status of GridKa, e.g. - new hardware - problem discussionGo to contribution page
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Dr Steven McDonald (TRIUMF)25/05/2009, 15:50Site reportsA summary of TRIUMF Site activitiesGo to contribution page
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Alf Wachsmann (SLAC)25/05/2009, 16:10Site reportsNews from SLACGo to contribution page
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25/05/2009, 16:30
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Mr Peter Gronbech (Nuclear Physics Laboratory)26/05/2009, 08:30Site reportsSouthGrid and Oxford Status reportGo to contribution page
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Christoph Beyer (DESY HH)26/05/2009, 08:50Site reportsDESY site reportGo to contribution page
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26/05/2009, 09:10
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26/05/2009, 09:30
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Ombretta Pinazza (INFN)26/05/2009, 10:30Security and NetworkingThe INFN computing board has recently appointed a working group to investigate the status of the IT services provided in the different laboratories and divisions, with particular aim at security. It's a legal requirement in Italy that public organizations provide monitoring and auditing procedures to protect users and personnel data. For the e-mail service, the Security and Mailing working...Go to contribution page
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Dr Riccardo Veraldi (INFN)26/05/2009, 11:00Security and NetworkingIt's possible to build a security appliance to set up a custom WiFi authentication solution based both on 802.1x and Captive Portal. I developed a solution inside INFN which allows users during Workshops or seminars to authenticate a WiFi session using 802.1x or Captive portal authentication. The system is a portable device, it is a small Soekris device with 4 network ports. It implements...Go to contribution page
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Jan Iven (CERN)26/05/2009, 11:30Security and NetworkingAn update on recent computer security issues and vulnerabilities affecting Windows, Linux and Mac platforms. This talk is based on contributions and input from a range of colleagues both within and outside CERN. It covers clients, servers and control systems.Go to contribution page
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26/05/2009, 13:00Overview and state of the current and future Nordic Research and Education Networking, from Nordunet.Go to contribution page
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Mr Ryszard Erazm Jurga (CERN)26/05/2009, 13:30Security and NetworkingThe CINBAD (CERN Investigation of Network Behaviour and Anomaly Detection) project was launched in 2007 in collaboration with ProCurve Networking by HP. The project mission is to understand the behaviour of large computer networks (10,000 or more nodes) in the context of high performance computing and large campus installations such as CERN, whose network counts today roughly 70,000 Gigabit...Go to contribution page
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Alf Wachsmann (SLAC)26/05/2009, 14:00I will present the architectural design of the online and offline computing system for SLAC's LCLS X-ray laser facility. I will briefly show the DAQ system to illustrate the data flow from the various experiments to the system's boundary. Presenting the offline data management system will be the main focus of the talk.Go to contribution page
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Dr Helge Meinhard (CERN-IT)26/05/2009, 14:30Misc TalksReports on benchmarks (both performance and power) of Nehalem and Shanghai processorsGo to contribution page
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26/05/2009, 16:00Tour for groups A and B of the HPC2N facilities. Group registration on papers at the registration desk. Those not in groups A or B have this slot free.Go to contribution page
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Mr Götz Waschk (DESY)26/05/2009, 16:30Misc TalksHEP-SPEC06 is the standard measurement for computing power in the LCG community. The computing requirements of groups like Lattice QCD at DESY need specialized benchmarks to evaluate new hardware. The theoretical particle physics group uses the form benchmark, which solves symbolical equations. The DD-HMC and the Chroma benchmarks include kernels of high-performance parallel Lattice...Go to contribution page
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Dr Jonas Lindemann (Lund University)26/05/2009, 17:00Security and NetworkingTo strengthen the security at Lunarc, SMS based OTP system has been implemented for SSH logins. The system is currently used in production and can be used by both Linux, Windows and Mac OS X based clients. The solution is based on a commercial available java-based OTP server.Go to contribution page
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Andrei Maslennikov (CASPUR)27/05/2009, 08:00
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Hartmut Reuter (Rechenzentrum Garching)27/05/2009, 08:30StorageAFS/OSD was presented two years ago on the HEPIX Spring 2007 in Hamburg. At this time the results of the R&D project sponsored by CERN and ENEA were presented which showed that performance of AFS/OSD scales linearly with the number of OSDs used. For RZG, however, the goal was to replace MR-AFS which for the last 12 years had offered HSM-features to AFS. Therefore the concept of "archival OSDs"...Go to contribution page
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Pierre-Francois Honore (CEA)27/05/2009, 09:00
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Artem Trunov (FZK)27/05/2009, 09:20
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Andras Horvath (CERN)27/05/2009, 09:40We report on the ongoing evaluation of the iSCSI technology regarding stability, manageability on the large scale and performance.Go to contribution page
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Tim Polland (Texas Memory Systems / Takan)27/05/2009, 10:30
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Arne Wiebalck (CERN)27/05/2009, 11:00StorageCERN is evaluating the cluster file system Lustre as a potential consolidated storage solution for project space, home directories, analysis space and HSM. Rather than on performance or on scalability, the main focus of the evaluation will be on operational questions. This talk will cover the various aspects to be looked at during the survey and report on the initial thoughts and...Go to contribution page
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Alf Wachsmann (SLAC)27/05/2009, 11:30StorageSLAC's HPSS hardware and software is reaching its end of support by 2010. We hae purchased two Sun SL8500 robots to replace our 6 Powderhorns and we are in the process of migrating from HPSS version 5.1 to version 6.2. In the same project, we are changing our HPSS architecture to now include disk caches. I will outline the entire project, the new hardware and software architecture, and the...Go to contribution page
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Thomas Finnern (DESY)27/05/2009, 13:00VirtualisationA brief introduction to virtualization.Go to contribution page
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Stefan Bujack (Deutsches Elektronen-Synchrotron DESY)27/05/2009, 13:15VirtualisationDifferent virtualization techniques are in use at the DESY data centers, with Xen servers being the dominant hypervisor. Besides its open source implementations, DESY, location Hamburg, has set up a pool of DELL servers with NetApp storage and Xen Enterprise software to provide a highly available, scalable, and versatile environment for manging data center services on various Windows...Go to contribution page
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Dr Federico Calzolari (Scuola Normale Superiore - INFN Pisa)27/05/2009, 13:40VirtualisationA high availability service is one of the main problems for a data center. Till now high availability was achieved by host per host redundancy, a highly expensive method in terms of hardware and human costs. A new approach to the problem can be offered by virtualization. Using virtualization, it is possible to achieve a redundancy system for all the services running on a data center. This new...Go to contribution page
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Dr Riccardo Veraldi (INFN)27/05/2009, 14:05VirtualisationVirtualization allow multiple virtual machines to run on a bare bone single hardware. There are many benefits in using Virtualization, fast disaster recovery, OS and software testing, maximization of hardware resources, server consolidation. INFN is using open source virtualization in different contexts mainly with Xen, but KVM is an interesting emerging technology ready for production...Go to contribution page
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Mr Andreas Unterkircher (CERN)27/05/2009, 14:30VirtualisationVirtual machines can have many different deployment scenarios and therefore may require generation of multiple VM images. We report on work that has been done in a collaboration between CERN's Grid Deployment group and openlab to address several issues with image generation. Libsfimage is a standalone application which generates VM images with a rich selection of Linux distribution. OSFarm...Go to contribution page
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Michal Kwiatek (CERN)27/05/2009, 15:30VirtualisationOne of the important benefits of virtualisation is the increased flexibility of hardware provisioning. Internet Services group provides the hardware and OS layers for services operated by different CERN organizational units. Within this framework, a user can ask for a new virtual server from a web browser and have it ready within 15 minutes. The latest release of the virtual infrastructure is...Go to contribution page
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Mr Carlos Aguado Sanchez (CERN)27/05/2009, 16:00VirtualisationThe CERNVM project addresses two aspects of software distribution, namely platform compatibility and general usability. It proposes a new approach based on extensive use of virtualization and distribution of contents over the network. Thus, two main components are envisioned in this new paradigm: the CERNVM virtual machine and the CERNVM File System (CVMFS). The former, based on rPath Linux,...Go to contribution page
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Ewan Roche (CERN)27/05/2009, 16:30VirtualisationThe integration of virtualisation technologies and the Quattor system management toolkit raises a number of challenges. We present the approaches taken so far with their limitations and successes and discuss current projects for development.Go to contribution page
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Jan Iven (CERN)27/05/2009, 17:00VirtualisationVirtualization technology is generating a strong interest from the HEP community. The talk will look at some of the security issues around this - both newly-added concerns as well as potential benefits for using virtualization.Go to contribution page
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Ian Gable (University of Victoria)28/05/2009, 08:30VirtualisationWe employ the HEP-SPEC06 benchmark, developed by the HEPiX CPU benchmarking working group, to evaluate CPU performance of a number of virtual machines configurations for the highly CPU loaded HEP worker node. Benchmarks are performed on 8 different models of AMD and Intel CPU spanning 2003 to 2008 generation architectures. We demonstrate that multi-core worker node can run n VMs where n is...Go to contribution page
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Owen Synge (DESY)28/05/2009, 09:00VirtualisationCloud computing provides commodity Virtualized computers on demand, Grid computing has underlying batch queues which may be integrated with the Virtualization technology can give the same predictable run time environment we know of from the Cloud Computing world. Two groups have achieved Virtulized worker nodes using two different batch queues. Details of the two implementations using...Go to contribution page
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Dr David Kelsey (RAL)28/05/2009, 09:30VirtualisationThis talk will cover the various security implications of the use of Cloud resources attached to the HEP Grids. There are several issues related to trust, policy and operational security in addition to the more general security issues of virtualisation.Go to contribution page
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Michel Jouvin (CNRS/LAL)28/05/2009, 10:30VirtualisationCloud technologies have matured quickly over the last couple of years and now provide an interesting platform on which to host grid services. The dynamic nature of these resources could ease life-cycle management for system administrators and could provide customized resources for users. However, questions remain about how these resources can meet the grid's security and operational...Go to contribution page
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Javier Fontan28/05/2009, 11:00VirtualisationOpenNebula is an open source virtual infrastructure engine that enables the dynamic placement of VMs on a pool of physical resources. It provides a powerful and agile CLI and API for monitoring and controlling large scale VM deployments, including networking and image management, and a flexible and generic framework to define new policies for capacity provision. Additionally, OpenNebula...Go to contribution page
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Thomas Finnern (DESY)28/05/2009, 11:45VirtualisationA short plenary discussion.Go to contribution page
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28/05/2009, 13:00
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Mr Martin Bly (STFC-RAL)28/05/2009, 13:30Data centresAn update on progress towards occupation of the new computer building at RAL, with notes on the building completion, new installations of hardware, and migration of the RAL Tier1 to the new building.Go to contribution page
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28/05/2009, 14:00
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28/05/2009, 14:30
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Mr Troy Dawson (FERMILAB)28/05/2009, 15:30Operating Systems & ApplicationsProgress of Scientific Linux over the past 6 months. What we are currently working on. What we see in the future for Scientific Linux. Also we will have a Plenary discussion to get feedback to and input for the Scientific Linux developers from the HEPiX community. This may influence upcoming decisions e.g. on distribution lifecycles, and packages added to the distribution.Go to contribution page
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Klaus Steinberger (LMU München)28/05/2009, 16:00Operating Systems & ApplicationsAt the LMU München, Faculty of Physics we currently deploy a storage and server cluster, which should serve home directorys and other services to the whole faculty. The cluster member servers run from shared storage using Open Sharedroot as a single system image.Go to contribution page
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Mattias Ellert (Uppsala Universitet & NDGF)28/05/2009, 16:30Operating Systems & ApplicationsHigh energy physics experiments today utilise computing grids to access computing resources in order to fulfil their needs for processing power and storage of their ever increasing datasets. However, grid middleware so far has not been part of the mainstream Linux distributions used by resource providers and users. The installation and maintenance of the grid middleware therefore imposes...Go to contribution page
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Pär Andersson (NSC, Linköpings universitet)28/05/2009, 17:00Operating Systems & ApplicationsWe have been using SLURM on new clusters since 2007. I will give an introduction to SLURM and our experiences with it. Features in the upcoming 1.4 release will be discussed, and also how SLURM can be used with grid software.Go to contribution page
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29/05/2009, 08:30Tour of the HPC2N facilities, groups E and F. Group registration on papers at the registration desk. Those not in groups E or F have this slot free.Go to contribution page
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Iwona Sakrejda (LBNL/NERSC)29/05/2009, 09:00Misc TalksEfficiency of data intensive applications heavily depends on the performance of storage. A comparison of different solutions ranging from GPFS filesystems with varying configuration through serving files from dedicated sets of hosts and storage sharing resources with computing will be shown. Measurements are being done with a mix of applications characteristic for HENP. Total...Go to contribution page
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Mr Troy Dawson (FERMILAB)29/05/2009, 09:30Security and NetworkingFermilab is a high energy physics research lab that maintains a highly dynamic network which typically supports around 15,000 active nodes. Due to the open nature of the scientific research conducted at FNAL, the portion of the network used to support open scientific research requires high bandwidth connectivity to numerous collaborating institutions around the world, and must...Go to contribution page
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29/05/2009, 10:00Wrap-up & ConclusionsGo to contribution page
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