Quick Introduction to NorduGrid

1
Quick Introduction to NorduGrid

• Oxana Smirnova
• 4th Nordic LHC WorkshopNovember 23, 2001,
  Stockholm

2
NorduGrid

• http//www.quark.lu.se/grid
• Aim to create a Grid infrastructure in Nordic
  countries
• Triggered by needs of future particle physics
  experiments
• Collaboration with other sciences (e.g. biology,
  astronomy)
• Start May 2001, end October 2002
• Part of the EU DataGrid Testbed

3
Participants
4
Hardware Resources
5
Software Middleware

• OS Linux (RedHat, Mandrake, Slackware, Debian)
• Resource manager OpenPBS
• Some sites plan upgrade to PBS Pro
• Grid middleware Globus 2
• DataGrid Testbed1 tools to be released on
  December 11 (?)

6
Enabled Grid Services

• Nordic Certification Authority
• Run by NBI, Copenhagen
• Issues Globus certificates for Nordic countries
  (NorduGrid, DKGRID, DataGrid)
• Recognized by EU DataGrid (EDG)
• Virtual Organization for user management
• Database server in Lund
• should be recognized by EDG
• Information Service
• Set up at NBI
• Database of resources on a computational grid
  current configuration, capabilities, and status
• NorduGrid Replica Catalog
• Server in Oslo
• Allows administration of distributed files over
  NorduGrid
• GridFTP
• Servers at each site
• Fast and reliable file transfer using Globus
  certificates for authentication

7
Applications

• Existing middleware allows only simple executable
  file submission for a job
• problems accessing and moving associated data
• non-existing resource scheduling
• Temporary (non-scalable) solutions are developed
  DataGrid tools release anticipated
• Attempts to run tasks
• Particle physics remote submission tested (Lund,
  Oslo)
• Biology work in progress (Uppsala, Lyon)
• GridFTP evaluated for large file transfers

8
Summary

• The underlying structure of a trans-Nordic
  computational grid is set up, with all the
  presently available services enabled
• Active working group Web site, mailing lists,
  regular meetings
• Strong ties with EU DataGrid, participate in
• Testbed
• Integration team
• Applications (via ATLAS)
• NorduGrid is the only working distributed testbed
  within EDG
• Newcomers are welcomed!