Click to edit Master title style European AFS and Kerberos Conference Welcome to CERN CERN, Accelerating Science and Innovation CERN, Accelerating Science.

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Click to edit Master title style European AFS and Kerberos Conference Welcome to CERN CERN, Accelerating Science and Innovation CERN, Accelerating Science and Innovation Alberto Pace,

European AFS and Kerberos Conference, Alberto Pace, slide 3 ? The Mission of CERN Detecting particles (experiments) Accelerating particle beams Large-scale computing (Analysis) Discovery We are here

European AFS and Kerberos Conference, Alberto Pace, slide 4 CERN Computing Infrastructure NetworkCPUsStorageInfrastructureDatabases # of cores: 94,684 # of disks: 73,521 # of processors: 18,074 # of 10GB NICs: 2,917 # of 1GB NICs: 19,013 # of servers: 10,529 Disk space (TiB): 107,533 RAM memory (TiB): 328 AFS is here

European AFS and Kerberos Conference, Alberto Pace, slide 5 At CERN: Acquisition, First pass reconstruction, Storage, Distribution, and Data Preservation 1 GB/sec 4 GB/sec 200 MB/sec

European AFS and Kerberos Conference, Alberto Pace, slide 6 Only few words on CERN Probably the oldest and most consolidated service of the IT department Repository of files and home directories for thousands of users Repository of files and documents for thousands of projects A global namespace, accessible worldwide, shared between desktops, interactive and batch servers AFS is in the dependency list of the LHC experiments A strategic, critical service for CERN. In addition … unprecedented usage growth excellent reliability and scalability running on low cost, commodity hardware What are we missing for the perfect online file system ?

European AFS and Kerberos Conference, Alberto Pace, slide 7 Computing without borders Welcome to the IT department, Welcome to the European AFS and Kerberos Conference Welcome to the IT department, Welcome to the European AFS and Kerberos Conference