1. Web Infrastructure Team Our Services and our Hardware Owen Le Blanc

2. Outline Services we provide Hardware we manage Virtual machines Software Managing it all

3. Summary of Services Web services Portal service Information Publication Load balancing Databases AFS Xen External Hosting Virtual Hosts Minor services Development

4. Web Services Apache Software ESD Tomcat Content Managemt User admin (ssl) 20 servers 2 servers 3 servers? 3 servers + devel + test 1 server

5. Portal service Web servers Development Mysql 8 servers 9 servers 2 servers

6. Information Services Anonymous FTP rsync ntp Request Tracker Web Log processing, anal 1 server 2 servers 1 server 2 servers

7. Publication Services ssh sftp ftp 3 servers 2 servers

8. Load Balancing ipvsadm heartbeat, pacemaker ssh 2 servers

9. Databases, etc MySQL Postgres Subversion CVS 9 servers 2 servers 3 servers 1 server

10. Andrews File System Kerberos servers D atabase servers File servers special file servers Backup servers 3 servers 12 servers 2 servers

12. Xen Xen hosts (ours) Portal EPS Manc City Art G 49 machines 4 machines 2 machines 1 machine

13. External Servers (1) Ensembl Phoenix A ccess Grid Recording service NCESS EMU 2 servers 1 server

14. External Servers (2) MACE Azura Group EPS Intranet Equella project G enetic Research M useum java devel 1 server 3? servers 6 servers 2 servers 1 server

15. Virtual Hosts E mail development Physics web site Status web site 1 servers 1 server 2 servers

16. Minor Services AFS mail Web Farm mail tftp administration cron jobs mirroring 1 server

17. Development Compilation Testing AFS Java MySQL Xen IPVS/Heartbeat 4 servers 3 servers 2 servers 1 server 2 servers

18. Machines Development Xen servers Other servers Portal servers External (!xen) Total 11 49 16 5 18 99 machines

19. Virtual Hosts 151 virtual hosts under Xen: 1 fully virtualised

20. Disk Format (Xen, standalone)

21. Software Debian lenny,squeeze ipvsadm, heartbeat, pacemaker Xen, LVM OpenAFS Closely parallel machines Rapid deployment “Daily” security patching

22. Documentation (1) Mirrors of package documents http://orgs.man.ac.uk/documentation/ Wiki http://wiki.manchester.ac.uk/websupport/ My web site http://people.man.ac.uk/~zlsiial/docs/ Software and configuration area /afs/mcc.ac.gb/common/config/

23. Documentation (2) System backup area /afs/mcc.ac.gb/ftp/.private/misc/backups/ admin folder.../web/farm/Admin/ Email various places in /afs/

24. Documentation (2) System backup area /afs/mcc.ac.gb/ftp/.private/misc/backups/ admin folder.../web/farm/Admin/ Email various places in /afs/

25. Managing It All Database of machines Automate as much as possible Use standard versions As little local compilation as possible As little locally written software as possible Revise and rethink