SLAC Site Report

1
SLAC Site Report

• Chuck Boeheim
• Asst Director of Computing
• Stanford Linear Accelerator Center

2
Experiment Status

• BaBar
• Resumed taking data in September
• Conversion to new computing model commencing
• Root-based mini instead of Objectivity
• File servers to use XROOTD, load balancing
• Conversion period putting crunch on disk space
• Glast
• Simulations and pre-flight data

3
Storage Expansion
4
BaBar data in HPSS
5
HPSS Status

• Recently migrated HPSS from AIX to Solaris
• Upgrading from 30 9940 tape drives to 40 9940B
  drives
• Recent episodes of tape thrashing
• Working set of data exceeded disk pool

6
OS Status

• Linux
• BaBar on RedHat 7.2, 9
• RedHat 6.2 is gone
• Kernel 2.4.20-20 (kernel du jour)
• Investigating RHEL 3.0
• Solaris
• Solaris 2.9 is production version
• Solaris 2.6 is gone, 2.7 is going
• Taking a look at Solaris-X86

7
Managed systems, including desktops
Solaris 9
Solaris 8
Solaris 7
9
7.3
Redhat 7.2
Redhat 6.2
8
AFS Status

• OpenAFS 1.2.9 on all file and database servers
• Key changing broken, fixed in .10
• OpenAFS 1.2.10 on all client machines
• No problems seen since going to OpenAFS
• AFS Perl module enhancements (bos and vos
  interfaces) contributed back to maintainer, soon
  on CPAN

9
AFS Best Practices Workshop

• February 4-6 2004 at SLAC
• Topics
• Scalability
• Backup
• Monitoring
• Management
• Etc
• http//www.slac.stanford.edu/alfw/OpenAFS_Best.pd
  f

10
Kerberos Status

• Unix Heimdal K5 in test
• Synch passwords from kaserver to K5
• Provides K5 tickets, K524 service, AFS tokens
• Converting local tools to use K5
• Windows Active Directory KDC
• Project synchronize passwords between KDCs
• Give appearance of single password for all
  services
• Working on tools with Microsoft to allow
  synchronization via the change password protocol
  with native tools

11
Windows Status

• XP Migration scheduled to complete 12/31/03
• 400 machines remaining
• Moving from Exchange 5.5 to 2003 (skip 2000)
• Move from Citrix Metaframe 1.8 to Xpe by 11/03
• Veritas NetBackup to replace BackupExec with SAN
  disk based backup, archive to tape.

12
Windows Status (cont)

• NetIQ AppManager monitoring suite
• Base implementation complete
• Investigating Application servers/J2EE
• Doing proof of concept with BEA Weblogic and IBM
  Websphere.