1. Paul Scherrer Institut 5232 Villigen PSI HEPIX_AMST / / BJ95 PAUL SCHERRER INSTITUT THE PAUL SCHERRER INSTITUTE Swiss Light Source (SLS) Particle accelerator SINQ spallation neutron source Solar concentrator Laboratories and Administration Buildings

2. Paul Scherrer Institut 5232 Villigen PSI HEPIX_AMST / / BJ95 PAUL SCHERRER INSTITUT PSI Site Report The PSI IT department (35 Employees) provides the following central Services: –Network Service (Switched 1Gb Backbone, 1Gb to the Buildings, 100Mb to the Office/Lab, WLAN & VPN) –Database Service –User support –On Site Service Center (HW & SW troubleshooting) –CPU/batch Server –File Server (AFS & Windows) –Print Server (Cups & Windows) –Mail Server (Exchange 5.5, OWA) + Trend Micro Viruswall –WEB Server –Backup & Archive Service

3. Paul Scherrer Institut 5232 Villigen PSI HEPIX_AMST / / BJ95 PAUL SCHERRER INSTITUT Windows @ PSI 1600 User Account File, Print & Terminal server –Service Windows is mainly used on Office and Engineering Desktop Domains: –Old NT4 Domain (Clients < Win2000/XP) –New Windows 2000 Domain with Active Directory since 1. December 2002

4. Paul Scherrer Institut 5232 Villigen PSI HEPIX_AMST / / BJ95 PAUL SCHERRER INSTITUT Windows Domain Migration Preparation of Domain Migration started August 2002 (Windows Team 4 People) Migration of all 1600 Accounts happened at one Weekend, 1.December 2002 Most important for successful Migration: –Heavily testing –Migration Checklist –ADMT Vers. 2.0 –SID History field –Profile Migration: PSI VB Program

5. Paul Scherrer Institut 5232 Villigen PSI HEPIX_AMST / / BJ95 PAUL SCHERRER INSTITUT Windows OS Installation and Appl. Software Distribution we provide a central Purchasing, Installation and Configuration Services for all Desktop PC’s McAfee Antivirus SW Installation is a must for all Windows PC’s connected to the Windows Domain Standard OS and Application reinstallation can be done by local Supporter with a installation diskette over the network SW Distribution for additional SW via OnDemands® WinInstall Availability of a wide range of Application SW leads to high number of standardized installation

6. Paul Scherrer Institut 5232 Villigen PSI HEPIX_AMST / / BJ95 PAUL SCHERRER INSTITUT Windows-Linux/Unix Integration Access to Windows/Office Application via TS, no dual boot or vmware supported, but possible AFS Access on Windows PC via AFS Client or AFS/SMB Gateway Windows Data Access Linux PC via NT mount (PSI script)

7. Paul Scherrer Institut 5232 Villigen PSI HEPIX_AMST / / BJ95 PAUL SCHERRER INSTITUT Linux Based Services ● PSI Linux Installation (Redhat, currently 7.3, modified Kickstart) ● AFS Service ● Archive System ● Vmware GSX Server ● Firewalls, IDS ● News/FTP/Print/Web Servers ● Linux Farm (56 nodes, Myrinet) ● Database Service (Oracle) ● Service/Network Monitoring (Nagios, Nedi)

8. Paul Scherrer Institut 5232 Villigen PSI HEPIX_AMST / / BJ95 PAUL SCHERRER INSTITUT AFS Service ● Installation since 1999 ● 2 Database Servers + 4 File Servers ● All Servers based on Linux + OpenAFS ● 1.2 TB Storage for 750 Users ● Backup: Scripts + Disk Cache (2.6 TB) + Legato Networker ● AFS/SMB Gateway with smbklog ● Plans: Provide AFS Storage of different Quality (Backup, Raid, IDE,...)

9. Paul Scherrer Institut 5232 Villigen PSI HEPIX_AMST / / BJ95 PAUL SCHERRER INSTITUT Archive System ● Based on Legato DiskXtender (Unitree) ● Installations: ● Old: Sun with 13 TB on DLT3/4 (readonly) ● New: Linux with 9 TB on LTO1 ● Access through FTP and NFS ● 2 x IBM 3584 Tape Library, ~ 60 TB Capacity ● Problems with small Files (85% of Files < 100 KB) solved by using Disk based „Virtual“ Tapes ● Data Migration from Sun to Linux within next Year

10. Paul Scherrer Institut 5232 Villigen PSI HEPIX_AMST / / BJ95 PAUL SCHERRER INSTITUT Vmware GSX Server ● Linux, Dual CPU, 4 GB Ram ● Advantages: ● Hardware Consolidation ● Fast Installation/Backup of Virtual Machines ● Used for: ● Windows Test Domains (W2k + 2003) ● Linux Reference Installations ● Firewall Rulset Tester ● Failover for Servers (CUPS) ● Small dedicated Servers

11. Paul Scherrer Institut 5232 Villigen PSI HEPIX_AMST / / BJ95 PAUL SCHERRER INSTITUT Security @ PSI ● Firewalls: ● 100 Mbit Internet Connection ● Based on Linux with 2.4 Kernel, installed in early 2002 ● Not a single failure ● Firewall Policy: ● Close everything - open required ports (= most hosts only SSH) ● P2P is explicitely not allowed ● Secure Communication (SSH, IMAPS, VPN) ● Intrusion Detection: ● Internet connection monitored with Tcpdump, Snort, Port Scan Detector ● FreeVeracity on all public Servers ● Work in Progress: ● IDS System/Firewalls for Gigabit Network ● Find Replacement for FreeVeracity