HEPiX Spring 2014 Workshop

Contribution List

63. LAPP welcome

Nadine Neyroud (LAPP/CNRS)

19/05/2014, 09:00

Miscellaneous

Miscellaneous

Welcome

64. Workshop logistics

Frederique Chollet (Centre National de la Recherche Scientifique (FR))

19/05/2014, 09:20

Miscellaneous

Miscellaneous

Logistics

45. PIC Site Report

Jose Flix Molina (Centro de Investigaciones Energ. Medioambientales y Tecn. - (ES)

19/05/2014, 09:30

Site reports

Site reports

Spring 2014 PIC Tier 1 site report covering recent updates, improving energy efficiency by means of free-coooling tehcniques, and preparation for new challenges.

56. Nebraska Site Report

Brian Paul Bockelman (University of Nebraska (US))

19/05/2014, 09:45

Site reports

Site reports

The Holland Computing Center at the University of Nebraska-Lincoln hosts the state's research computing resources. There are several grid-enabled clusters available to HEP for opportunistic computing and a CMS Tier-2 site. In this presentation, we will cover the recent updates to site networking and the CMS Tier-2 cluster. Particular attention will be paid to: 1. The recent rollout of...

20. IHEP Site Report

Jingyan Shi (IHEP)

19/05/2014, 10:00

Site reports

Site reports

The site report will give a summary of IHEP site status including local cluster, EGI site. Besides, it will talk about improvement of distribution computing we have done.

14. GRIF and LAL Site Report

Mr Michel Jouvin (Universite de Paris-Sud 11 (FR))

19/05/2014, 10:15

Site reports

Site reports

This site report will cover GRIF grid site and LAL internal computing

36. KIT SIte Report

Manfred Alef (Karlsruhe Institute of Technology (KIT))

19/05/2014, 11:00

Site reports

Site reports

KIT Site Report

1. Fermilab Site Report - Spring 2014 HEPiX

Dr Keith Chadwick (Fermilab)

19/05/2014, 11:20

Site reports

Site reports

Fermilab Site Report - Spring 2014 HEPiX.

18. BNL RACF Site Report

Dr Ofer Rind (BROOKHAVEN NATIONAL LABORATORY)

19/05/2014, 11:40

Site reports

Site reports

A summary of developments at BNL's RHIC/ATLAS Computing Facility since the last HEPiX meeting.

69. 10 Years of Scientific Linux

Mr Alan Silverman (CERN (retired))

19/05/2014, 13:30

End-user IT Services & Operating Systems

IT end user services and operating systems

SL was announced to the world at the Spring 2004 HEPiX meeting in Edinburgh so it seems a good moment to review its origins and how it became the preferred Linux of most HEP sites.

70. CentOS and Red Hat

Karanbir Singh

19/05/2014, 13:55

End-user IT Services & Operating Systems

IT end user services and operating systems

39. Scientific Linux Status and Futures

Connie Sieh (Fermilab)

19/05/2014, 14:20

End-user IT Services & Operating Systems

IT end user services and operating systems

Status of Scientific Linux and Futures

54. Next Linux version at CERN

Jarek Polok (CERN)

19/05/2014, 14:45

End-user IT Services & Operating Systems

IT end user services and operating systems

CERN is maintaining and deploying Scientific Linux CERN since 2004. In January 2014 CentOS and Red Hat announced joining forces in order to provide common platform for open source community project needs. How is this merger affecting plans for future CERN Linux version ?

71. Discussion about future OS for HEP

19/05/2014, 15:10

IT end user services and operating systems

42. Issue Tracking & Version Control Services status update

Alvaro Gonzalez Alvarez (CERN)

19/05/2014, 16:10

End-user IT Services & Operating Systems

IT end user services and operating systems

The current efforts on the issue tracking and version control services at CERN will be presented. Special attention to the new central git service, the integration between issue tracking and version control and future service deployments.

41. Windows 8 Integration

Sebastien Dellabella (CERN)

19/05/2014, 16:35

End-user IT Services & Operating Systems

IT end user services and operating systems

In this presentation we will talk about Windows 8 and how we are integrating it at CERN. What are the issues we met and how we solved them for our users community. We will focus on issues, customization and deployment. If you have to start a Windows 8 pilot project in your organization, you must be there.

17. ASGC site report

Hung-Te Lee (Academia Sinica (TW))

19/05/2014, 17:00

Site reports

Site reports

Site report for ASGC

19. QMUL site report

Christopher John Walker (University of London (GB))

19/05/2014, 17:15

Site reports

Site reports

Site report from Queen Mary University of London.

51. RAL Site Report

Martin Bly (STFC-RAL)

20/05/2014, 09:00

Site reports

Site reports

Update for UK Tier1 and RAL

4. INFN-T1 site report

Andrea Chierici (INFN-CNAF)

20/05/2014, 09:20

Site reports

Site reports

INFN-T1 site update

37. DESY Site Report

Yves Kemp (Deutsches Elektronen-Synchrotron (DE))

20/05/2014, 09:40

Site reports

Site reports

DESY site report for Spring 2014 HEPiX workshop

43. Status report from Tokyo Tier-2 for the one year operation after whole scale system upgrade

Tomoaki Nakamura (University of Tokyo (JP))

20/05/2014, 10:00

Site reports

Site reports

The Tokyo Tier-2, which is located at International Center for Elementary Particle Physics (ICEPP) in the University of Tokyo, was established as a regional analysis center in Japan for the ATLAS experiment. The official operation with WLCG was started in 2007 after the several years’ development since 2002. In December 2012, we have replaced almost all hardware as the third system upgrade to...

3. IRFU Saclay site report

Pierrick Micout (Unknown)

20/05/2014, 10:15

Site reports

Site reports

What is new in the IRFU Saclay site?

5. CERN Site Report

Dr Arne Wiebalck (CERN)

20/05/2014, 11:05

Site reports

Site reports

News from CERN since the last workshop.

52. WIGNER Datacenter - Introduction

Szabolcs Hernath (Hungarian Academy of Sciences (HU))

20/05/2014, 11:25

Site reports

Site reports

As newcomers to the HEPIX community, WIGNER Datacenter, the newly established scientific computing facility of the WIGNER Research Centre for Physics in Budapest, would like to give an introduction on its background, construction and mission and model of operation. Featuring a long-term sustainable, energy-efficient and high availability infrastructure, WIGNER Datacenter aims to provide a full...

50. Jefferson Lab Site Report

Sandy Philpott (JLAB)

20/05/2014, 11:40

Site reports

Site reports

The JLab talk will cover our current high performance and experimental physics computing status, including node-sharing between clusters for the 12GeV data challenges, Puppet configuration management plans, our latest GPU and MIC environment, workflow tools, LTO6 integration into the mass storage system, initial results of XFS on Linux testing, and plans for a Lustre 2.5 update and LMDS...

61. AGLT2 Site Update

Shawn Mc Kee (University of Michigan (US))

20/05/2014, 11:55

Site reports

Site reports

I will present an update on our site since the last report and cover our work with dCache, perfSONAR-PS, VMWare and experience with Cobbler and CFengine3 as our node provisioning system. There will also be an overview of our recent networking changes including the status of our new 100G connection to the WAN. I conclude with a summary of what has worked and what problems we encountered...

29. Managing secrets

Sven Sternberger (D)

20/05/2014, 12:10

Basic IT Services

Basic IT services

The talk will discuss the problems which arise from managing and distributing secrets like root passwords, keytabs, certificates in a large site. Secrets are needed in the process of installing and administrating of compute and storage systems. They should be accessible by authorized admins and from the system they belong to. There should be a way to audit the information to enforce...

15. Batch System Review

Mr Michel Jouvin (Universite de Paris-Sud 11 (FR))

20/05/2014, 14:00

Computing & Batch Services

Computing and batch systems

WLCG GDB organized a meeting last March about batch systems. With an audience mostly from grid sites, it has been a successful review of the main batch systems used in the community by sites with concrete experience. This presentation will summarize what was presented and the main conclusions of this meeting.

25. A Year of Condor at the RAL Tier 1

Ian Peter Collier (STFC - Rutherford Appleton Lab. (GB))

20/05/2014, 14:25

Computing & Batch Services

Computing and batch systems

It’s been almost a year since we first started running ATLAS and CMS production jobs at RAL using HTCondor, and 6 months since we fully migrated from Torque/Maui. This talk will discuss our experience so far and future plans.

11. Future of Batch Processing at CERN

Janos Daniel Pek (CERN)

20/05/2014, 14:50

Computing & Batch Services

Computing and batch systems

The CERN Batch System is comprised of 4000 worker nodes. 60 queues offer a service for various types of large user communities. In light of the recent developments driven by the Agile Infrastructure and the more demanding processing requirements, the Batch System will be faced with increasingly challenging scalability and flexibility needs. Last year the CERN Batch Team has started to evaluate...

57. The Art of Running HTCondor as a batch system

Brian Paul Bockelman (University of Nebraska (US))

20/05/2014, 15:15

Computing & Batch Services

Computing and batch systems

HTCondor is a well known platform for distributed high-throughput computing and often resembles a the Swiss-Army-knife of computing - there's a bit of something for everyone. With a user manual weighing in at about 1,100 printed pages, there's no wonder that sysadmins can overlook some of the most exciting features. This presentation will be dedicated to uncovering the hidden gems for...

12. Support for Linux Control Groups

Mr Daniel Gruber (Univa)

20/05/2014, 16:10

Computing & Batch Services

Computing and batch systems

Current Linux distributions including support for a new kernel enhancement called control groups (cgroups). This talk is about how Univa Grid Engine integrates the Linux cgroup subsystems for better resource isolation, utilization, and limitation in the job execution and resource allocation context. Example configurations and use cases for today's NUMA compute nodes are discussed.

16. CC IN2P3 experience with Univa Grid Engine

Suzanne Poulat (Centre de calcul IN2P3)

20/05/2014, 16:35

Computing & Batch Services

Computing and batch systems

After 20 years using a home made batch system named BQS (Batch Queuing System), CC-IN2P3 decided to move to Grid Engine in order to offer the scalability and robustness needed for multi-experiment production, HEP et non HEP. The site migrated from BQS to Oracle Grid Engine in 2011, then switched to Univa’s version after only two years, in June 2013. The talk presents the assessment of...

21. Scheduling of multicore jobs

Nathalie Rauschmayr (CERN)

20/05/2014, 17:00

Computing & Batch Services

Computing and batch systems

Nowadays, the Worldwide LHC Computing Grid consists of multi and manycore CPUs. A lot of work is undertaken by the experiments and the HEP community, in order to use these resources more efficiently. As a result, the parallelization of applications has been the main goal so far in order to allow a parallel execution of jobs. However, experiments must also consider how to schedule multicore...

48. IPv6 Deployment at FZU in Prague

Marek Elias (Institute of Physics ASCR (FZU))

21/05/2014, 09:00

Security & Networking

Security and networking

At FZU we are continuing with deployment of IPv6 in our testbed as well as the production network. On dual stack, we are currently running several subclusters of worker nodes and our DPM storage system. Production data transfers from DPM to dualstack worker nodes using lcg-cp are currently running via IPv6. We present our experience with this deployment, new nagios sensors needed in this...

65. IPv6 status and perfsonar testing in the UK

Christopher John Walker (University of London (GB))

21/05/2014, 09:25

Security & Networking

Security and networking

IPv6 rollout at UK sites varies from one site where nearly all services are dual stack (Imperial), to others without any IPv6 addresses. The current rollout status will be presented. In addition, results of IPv6 connectivity testing using perfsonar will be discussed.

55. WLCG perfSONAR-PS Update

Shawn Mc Kee (University of Michigan (US))

21/05/2014, 09:50

Security & Networking

Security and networking

As reported at the last HEPiX meeting, the WLCG has been supporting the deployment of perfSONAR-PS Toolkit instances at all WLCG sites over the last year. The WLCG perfSONAR-PS Deployment Task Force has now wrapped up its work in April 2014. The perfSONAR network monitoring framework was evaluated and agreed as a proper solution to cover the WLCG network monitoring use cases: it allows...

59. Measuring WLCG data streams at batch job level

Eileen Kuhn (KIT - Karlsruhe Institute of Technology (DE))

21/05/2014, 10:15

Security & Networking

Security and networking

Batch system monitoring and related system monitoring tools allow tracking data streams at different levels. With the introduction of federated data access to the workflows of WLCG it is becoming increasingly important for data centers to understand specific data flows regarding storage element accesses, firewall configurations, or the scheduling of workflows themselves. For this purpose a...

30. Emergency suspension list in WLCG

Vincent Brillault (CERN)

21/05/2014, 11:10

Security & Networking

Security and networking

The Emergency suspension list (also known as central banning list) is finally getting deployed in WLCG, allowing quick automated responses to incidents. This short presentation will present the goal of this new features, the technology behind this system and details about the current deployment.

2. New Windows security at CEA and IRFU

joel surget (CEA/Saclay)

21/05/2014, 11:25

Security & Networking

Security and networking

In 2013/2014 the CEA has decided to change dramatically the security of the Windows PC and the way to manage them. I’ll explain the new philosophy of the security based on two levels: - Lateral security - Escalade security I’ll explain the problematic for the end-users and also for the IT team.

27. Security update

Vincent Brillault (CERN)

21/05/2014, 11:50

Security & Networking

Security and networking

This presentation provides an update of the security landscape since the last meeting. It describes the main vectors of compromises in the academic community and presents interesting recent attacks. It also covers security risks management in general, as well as the security aspects of the current hot topics in computing, for example identity federation and virtualisation.

22. Open Compute at CERN

Olof Barring (CERN)

21/05/2014, 14:00

IT Facilities & Business Continuity

IT facilities and business continuity

The Open Compute Project, OCP (http://www.opencompute.org/), was launched by Facebook in 2011 with the objective of building efficient computing infrastructures at lowest possible cost. The technologies are released as open hardware design, with the goal to develop servers and data centers following the model traditionally associated with open source software projects. In order to try out the...

13. Shared datacenter in Orsay University : first results

Mr Michel Jouvin (Universite de Paris-Sud 11 (FR))

21/05/2014, 14:25

IT Facilities & Business Continuity

IT facilities and business continuity

As presented at past HEPiX, 8 labs in Orsay region/university started 2 years ago a project to build a new datacenter aimed to replace the existing inefficient computing rooms. This project has been delivered on-time and is in production since last October. This presentation will summarize the needs that motivated the project, the design choices, the building phase experience and gives an...

53. WIGNER Datacenter - Operational experience

Szabolcs Hernath (Hungarian Academy of Sciences (HU))

21/05/2014, 14:50

IT Facilities & Business Continuity

IT facilities and business continuity

In this talk we would like to give a summary on the experiences of the first year of opeartion of the WIGNER Datacenter. We will discuss the topics of infrastructure operations, facility management, energy efficiency and value added hosting services, with a special focus on the CERN@WIGNER project, the hosting of the external capacity of CERN Tier-0 resources. We will highlight some of the...

47. Lesson learned after our recent cooling problem

Andrea Chierici (INFN-CNAF)

21/05/2014, 15:15

IT Facilities & Business Continuity

IT facilities and business continuity

In march we had a major cooling problem in our computing center and we had to completely shut the center down. We learnt a lot from this problem and would like to share the experience within the community.

68. Business Continuity at DESY

Mr Peter van der Reest (DESY), Yves Kemp (DESY)

21/05/2014, 16:10

IT Facilities & Business Continuity

IT facilities and business continuity

a collection of themes and thoughts on BC, covering among others measures, procedures and dependencies

9. Intel Ivybridge vs. AMD Opteron: performance and power implications

Dr Tony Wong (Brookhaven National Laboratory)

21/05/2014, 16:35

Computing & Batch Services

Computing and batch systems

The RACF has evaluated the Intel Ivybridge and AMD Opteron cpu's before an anticipated purchase of Linux servers for its RHIC and USATLAS programs in 2014. Price performance considerations are no longer sufficient as we must consider long-term power, cooling and space capacities in the data center. This presentation describes how these long-term considerations are increasingly altering...

38. Beyond HS06 - Toward a New HEP CPU Benchmark

Manfred Alef (Karlsruhe Institute of Technology (KIT))

21/05/2014, 17:00

Computing & Batch Services

Computing and batch systems

The HEPiX Benchmarking Working Group is preparing for the deployment of a successor of the widely used HS06 benchmark. - Why we are looking for a replacement of HS06 - Summary of discussions at GDB - Requirements - Benchmark candidates - Volunteers

46. Evaluation of avoton CPU

Andrea Chierici (INFN-CNAF)

21/05/2014, 17:25

Computing & Batch Services

Computing and batch systems

At INFN-T1 we are facing the problem of TCO of computing nodes, which count for the bigger part of our electricity bill. Intel recently introduced the Avoton SOC, targeted on the microserver, entry communication infrastructure and cloud storage market. We benchmarked this CPU and evaluated the possible adoption of this technology in our computing farm.

58. Batch system data locality via managed caches

Max Fischer (KIT - Karlsruhe Institute of Technology (DE))

22/05/2014, 09:00

Storage & Filesystems

Storage and file systems

Modern data processing solutions increasingly rely on data locality to achieve high data access rates and scalability. In contrast the common HEP system architectures emphasis uniform resource pools with minimal locality, allowing even for cross-site data access. The concept for the new High Performance Data Analysis (HPDA) Tier3 at KIT aims at introducing data locality to HEP batch systems....

10. Ceph at CERN: one year on

Dr Daniel van der Ster (CERN)

22/05/2014, 09:25

Storage & Filesystems

Storage and file systems

Ceph was introduced at CERN in early 2013 as a potential solution to new use-cases (e.g. cloud block storage) while also providing a path toward a consolidated storage backend for other services including AFS, NFS, etc... This talk will present the outcome of the past year of testing and production experience with Ceph. We will present our real operations experience and lessons-learned, and...

33. Ceph at the UK Tier 1

George Ryall (STFC)

22/05/2014, 09:50

Storage & Filesystems

Storage and file systems

We are trialling the use of Ceph both as a file-system and as a cloud storage back end. I will present our experiences so far.

44. Update on CERN tape status

German Cancio Melia (CERN)

22/05/2014, 10:15

Storage & Filesystems

Storage and file systems

CERN stores over 100PB of data on tape via CASTOR and TSM. This talk will present the current status of the CERN tape infrastructure, with a particular focus on tape performance and efficiency and the status of the large media repacking exercise.

67. The DESY Big Data Cloud Service

Mr Peter van der Reest (DESY)

22/05/2014, 11:10

Storage & Filesystems

Storage and file systems

DESY -IT- has implemented a cloud storage service on the basis of dCache. The talk will describe architecture and service concepts.

60. Update on the bit-preservation Working Group

German Cancio Melia (CERN)

22/05/2014, 11:35

Storage & Filesystems

Storage and file systems

In this talk, we will provide an update of bit-level preservation WG activities, notable on the ongoing work on a set of recommendations and on a model for estimating long-term (10-20-30 years) archiving cost outlooks.

49. Lavoisier : a data aggregation framework

Mr Sylvain Reynaud (CNRS)

22/05/2014, 12:00

Basic IT Services

Basic IT services

Many of us need tools for service monitoring adapted to our site specificities, or tools to do custom processing on user data. Regardless of the use-cases, we have to develop (or get developed) applications that aggregate, process and format data from heterogeneous data sources. Lavoisier (http://software.in2p3.fr/lavoisier) is a framework, which enables building such applications by...

72. Announcement

22/05/2014, 13:55

32. Agile Infrastructure Monitoring

Pedro Andrade (CERN)

22/05/2014, 14:00

Basic IT Services

Basic IT services

The agile infrastructure monitoring team is working on new solutions to modernise and improve how monitoring and analytics is done at CERN. We will give an update on these activities, in particular the recent progress on testing and adopting different open source technologies (e.g. hadoop, elasticsearch, flume, kibana) for the various monitoring architecture layers. We will report on the...

31. Scaling Agile Infrastructure, development and change management

Ben Jones (CERN)

22/05/2014, 14:25

Basic IT Services

Basic IT services

As the Agile Infrastructure project scaled from being a development effort of a few peoplethat could sit in one meeting room to a production service for the CERN computer centre, what changes were needed to our service, tools and workflow? We will look at the technical challenges scaling the puppet infrastructure, scaling the development effort of puppet code, and also the procedural changes...

34. Agile Infrastructure: an updated overview of IaaS at CERN

Stefano Zilli (CERN)

22/05/2014, 14:50

Basic IT Services

Basic IT services

The CERN private cloud has been in production since July 2013 and has grown steadily to 60000 cores, hosting more than 5500 Virtual Machines for 370 users and 140 shared projects. New features have been made available this year like block storage and IPv6. This presentation will provide an overview of the current status of the infrastructure and of the plans for the next developments and...

40. Field Experience in the Agile Infrastructure

Jerome Belleman (CERN)

22/05/2014, 15:15

Basic IT Services

Basic IT services

As the Agile Infrastructure is moving forwards at CERN, more and more services are migrating to it. New tools are put in place to get the most out of its strengths while we learn lessons from the problems we hit when converting services from Quattor. At CERN, a number of services have made some significant progress in the migration to the new infrastructure; the batch service, several...

23. from quattor to puppet, a T2 point of view

Mr Frederic Schaer (CEA)

22/05/2014, 16:10

Basic IT Services

Basic IT services

The IRFU site, member of the GRIF wLCG T2 site, decided to move from quattor to puppet in 2012. The migration was almost complete early april 2014. This talk will focus mainly on the goals, the ways to achieve what we achieved, the manpower that was required, what we gained with puppet and the new challenges that we must now face as a T2 with this management tool.

26. Quattor Update

Ian Peter Collier (STFC - Rutherford Appleton Lab. (GB))

22/05/2014, 16:35

Basic IT Services

Basic IT services

A report on the status of the Quattor toolset, with particular emphasis on recent developments in both teh user and development communities.

66. HEPiX configuration management working group update

Ben Jones (CERN)

22/05/2014, 17:00

Basic IT Services

Basic IT services

A year ago we began working with other sites to see how we could best share knowledge and effort amongst sites migrating to puppet. This talk will present a reminder of the working group, it's formation and mandate, and how puppet had been developing already amongst earlier adopters. We will discuss how puppet module development occurs in the wider puppet community, and what conventions the...

7. Cluster Consolidation at NERSC

Larry Pezzaglia (LBNL)

22/05/2014, 17:25

Basic IT Services

Basic IT services

This talk will provide a case study of cluster consolidation at NERSC. In 2012, NERSC began deployment of "Mendel", a 500+ node, Infiniband-attached, Linux "meta-cluster" which transparently expands NERSC production clusters and services in a scalable and maintainable fashion. The success of the software automation infrastructure behind the Mendel multi-clustering model...

24. Big Data Transfer over Internet

Mr Andrey SHEVEL (University of Information Technology, Mechanics, and Optics)

23/05/2014, 09:00

Grid, Cloud & Virtualisation

Grids, clouds, virtualisation

In many cases where Big Data phenomenon is taken place there is the need to transfer the Big Data from one point of computer network to another point. Quite often those points are far away from each other. The transfer time is significant factor to transfer the Big Data. During this time the features of the data link might be changed drastically including interruptions of channel operation...

8. FermiCloud On-demand Services: Data-Intensive Computing on Public and Private Clouds

Steven Timm (Fermilab)

23/05/2014, 09:25

Grid, Cloud & Virtualisation

Grids, clouds, virtualisation

The FermiCloud project exists to provide on-demand computing and data movement services to the various experiments at Fermilab. We face a dynamically changing demand for compute resources and data movement, which we meet by enabling users to run on our own site, remote grid sites, and cloud sites. We also instantiate on-demand data movement and web caching services to support this remote...

28. RAL Tier 1 Cloud & Virtualisation

Ian Peter Collier (STFC - Rutherford Appleton Lab. (GB))

23/05/2014, 09:50

Grid, Cloud & Virtualisation

Grids, clouds, virtualisation

The RAL Tier 1 is now working deploying a production quality private cloud, to meet the emerging needs of both the Tier 1 and STFCs Scientific Computing Department. This talk will describe the work so far and the roadmap for the coming year. We will also discuss other virtualisaton developments.

35. Enabling multi-cloud resources at CERN within the Helix Nebula project

Dr Domenico Giordano (CERN)

23/05/2014, 10:15

Grid, Cloud & Virtualisation

Grids, clouds, virtualisation

Helix Nebula – the Science Cloud is a European public-private-partnership between leading scientific research organisations (notably CERN, EMBL and ESA) and European IT cloud providers. Its goal is to establish a Cloud Computing Infrastructure for the European Research Area and the Space Agencies, serving as a platform for innovation and evolution of a federated cloud framework for...

6. Experiences with ATLAS and LHCb jobs in Vac virtual machines

Andrew McNab (University of Manchester (GB))

23/05/2014, 11:10

Grid, Cloud & Virtualisation

Grids, clouds, virtualisation

We present experiences with running ATLAS and LHCb production jobs in virtual machines at Manchester and other sites in the UK using Vac. Vac is a self-contained VM management system in which individual hypervisor hosts act as VM factories to provide VMs contextualized for experiments, and offers an alternative to conventional CE/Batch systems and Cloud interfaces to resources. In the Vacuum...

62. Workshop wrap-up

Dr Helge Meinhard (CERN)

23/05/2014, 11:35

Miscellaneous

Miscellaneous

Wrap-up