German Site Report Rainer Mankel DESY Hamburg HTASC

German Site Report Rainer Mankel DESY Hamburg HTASC Meeting 2/3 -Oct-2003 R. Mankel, German Site Report

DESY spam filter in production integrated solution for both UNIX (mail. desy. de) and Windows (ntmail. desy. de) mail servers n commercial tool upstream of main mail servers n also virus filtering n real-time blacklisting, flagging, opt-in n also whitelists (HEP labs) under discussion n 2/3 -Oct-2003 R. Mankel, German Site Report (reminder from last site report) n Lab-wide 2

Computer Security (DESY) n sobig. F & other email worms n n n were caught by the central email virus filter hardly did any harm. Just load on the server msblast/lovesan & Co. (RPC/DCOM) deflected by firewall, but imported by traveling notebooks è enforcement of virus scanners è stricter rules for connecting equipment to intranet è improve homogeneity of Windows landscape n 2/3 -Oct-2003 R. Mankel, German Site Report 3

Linux at DESY n Present production version (DESY Linux 4) is based on Su. SE 7. 2 n Transition to a new version (DESY Linux 5) pending. n Evaluated several candidate distributions n Debian, Red. Hat 9, RH Enterprise 2. 1, Su. SE Prof. 8. 2, Su. SE Enterprise 8. 1 2/3 -Oct-2003 R. Mankel, German Site Report 4

Linux at DESY (cont‘d) n Initially, Red. Hat was favoured candidate widely used in HEP, also in grid n facilitate life of collaborations n n But: support time of 10 -12 months for releases is unacceptable (esp. security updates!) n Enterprise version: cost (900/300 EUR) n èDESY 2/3 -Oct-2003 Linux 5 will be based on Su. SE 8. 2 R. Mankel, German Site Report 5

Grid. KA Karlsruhe n all compute nodes have been moved to watercooled racks n evaluating AMD Opteron systems for next CPU upgrade n disk space upgraded to 93 TB n Grid. Ka Computing School 29. 9. -1. 10. 2/3 -Oct-2003 R. Mankel, German Site Report 6

Linux at Grid. Ka n Delicate subject, since both LHC and non-LHC experiments (Ba. Bar, D 0, CDF, Compass) use the system n Migration to Red. Hat 7. 3 pending n required e. g. for gridftp clients, Geant 4 n Hopefully 2/3 -Oct-2003 all groups can live with it R. Mankel, German Site Report 7