Claudio Bisegni

1
AFS Preference
the OpenAFS preference panel for OSX
Claudio Bisegni
2
What is INFN
Italian National Institute of Nuclear Physics
ASTROPARTICLE PHYSICS 
NUCLEAR PHYSICS 
THEORETICAL PHYSICS 
PARTICLE PHYSICS
TECHNOLOGY RESEARCH 

• Staff 2609 persons (600 physicists)
• More than 3690 affiliates from Universities
• 2000 final-year students
• External researchers
• Sections build experiments in national and
  international laboratories and do data analysis

OpenaAFS Preference Claudido Bisegni - AFS
Workshop08
3
What is INFN
INFN Structure

• 4 National Laboratories
• Frascati, Legnaro, Gran Sasso and Catania
• 19 Sections linked to Physics Department of
  Universities
• 7 Associated Sites
• 1 National Networking Center CNAF(Bologna)

OpenaAFS Preference Claudido Bisegni - AFS
Workshop08
4
Computing in INFN
Computing activities

• On-line computing
• Montecarlo production
• Data analysis
• Theoretical calculations on dedicated computers
  (APE)
• Central computing services for program
  development,
• mailing and all major networking services
• CAD/CAM
• Desktop computing

OpenaAFS Preference Claudido Bisegni - AFS
Workshop08
5
AFS_at_INFN

• First AFS cell in Pisa since 1994
• National Cell (infn.it) since 1995
• LNF, Lecce, KLOE, LNGS, Bari

• Many users belongs to two or more cells.
• XAUTH between K5 cells

OpenaAFS Preference Claudido Bisegni - AFS
Workshop08
6
AFS_at_LNF

• AFS is in use in LNF since 1996 using the
  national wide cell infn.it
• In 1999 born the lnf.infn.it cell with 2 IBM H50
  running AIX 4.3.3 and AFS Transarc
• Today lnf.infn.it cell is based on a EMC2 SAN
  (CX500CX300) and 7 file server running OpenAFS
• AFS/K5 cross authentication is supported towards
  infn.it, le.infn.it and ba.infn.it realms
• About 15 TBytes are served to about 1200 users
• AFS is used for users's homedir, software
  repository, experimental data, web pages for
  www.lnf.infn.it, www.infn.it and www.ac.infn.it
  web-sites

OpenaAFS Preference Claudido Bisegni - AFS
Workshop08
7
AFS Preference Pane
New Preference Pane for control OpenAFS on
MacOSX developed for INFN use and released in
open source with IPL1.0
Main Features

• Start/Stop OpenAFS
• CellServDB editor
• Multiple Cell selection for tokens credential
• Multiple cell token aklog / unlog
• Cache Parameter modifications

OpenaAFS Preference Claudido Bisegni - AFS
Workshop08
8
AFS Preference Pane main view
OpenaAFS Preference Claudido Bisegni - AFS
Workshop08
9
AFS Preference Pane CellServDB editor
OpenaAFS Preference Claudido Bisegni - AFS
Workshop08
10
AFS Preference Pane parameter view
OpenaAFS Preference Claudido Bisegni - AFS
Workshop08
11
AFS Preference Pane in the future

• Symbolic Link on desktop to an afs path (thanks
  to Connie Eaton for suggestion)
• Contextual Menu for view and manage acl
• Manage user group in preference pane
• other form user

OpenaAFS Preference Claudido Bisegni - AFS
Workshop08
12
acknowledgements
Thanks to INFN for having issued this project
open source
Many thanks to my coworkers, Sandro Angius
Roberto Gomezel for helped me to make this
presentation
Thanks to Everett Allen for helped me in
debugging and for giving me new ideas for further
improvements
OpenaAFS Preference Claudido Bisegni - AFS
Workshop08
13
Any help for developing is appreciated ? write to
claudio.bisegni_at_lnf.infn.it
Questions?
OpenaAFS Preference Claudido Bisegni - AFS
Workshop08