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Site report: CERN. Helge Meinhard (at) cern ch HEPiX fall 2004 @ BNL. Events. 50 years of CERN 29 Sep: LHC ring illumination 16 Oct: Open day at CERN: 32’000 visitors 19 Oct: Official ceremony with VIPs CHEP Interlaken 27 Sep – 01 Oct Record-breaking attendance: more than 500

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Site report: CERN

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Site report cern

Site report: CERN

Helge Meinhard (at) cern ch

HEPiX fall 2004 @ BNL


Events

Events

  • 50 years of CERN

    • 29 Sep: LHC ring illumination

    • 16 Oct: Open day at CERN: 32’000 visitors

    • 19 Oct: Official ceremony with VIPs

  • CHEP Interlaken 27 Sep – 01 Oct

    • Record-breaking attendance: more than 500

    • Lot of work… and lot of fun to see it all run well

CERN site report – Helge Meinhard - 2


Fabric infrastructure and operations 1

Fabric Infrastructure and Operations (1)

  • Central Data Recording in full swing

    • Experiment peaks of 120 MB/s, combined average 10 TB/day, 1.5 PB expected in 2004

  • Major problem with disk server stability

    • Finally whole batch, ie. 1200 disks (~20 % of our total disk count) replaced

  • Many stateful servers successfully quattorised (J. van Eldik)

  • Machine room refurbishment going on

    • LHS of machine room now empty, all machines and services moved to RHS and vault

CERN site report – Helge Meinhard - 3


Site report cern

CERN site report – Helge Meinhard - 4


Fabric infrastructure and operations 2

Fabric Infrastructure and Operations (2)

  • New machines

    • 400 Farm machines being installed, alleviating pressure on batch farm

    • Awaiting 75 disk servers (360 TB SATA, 3Ware 9500), plus 22 disk arrays (140 TB SATA, Infortrend, FC attachment)

  • System administration team taking over more specialised tasks and installations

  • Legato phased out, new machine for TSM coming

CERN site report – Helge Meinhard - 5


Fabric infrastructure and operations 3

Fabric Infrastructure and Operations (3)

  • Media migration to 9940 completed, evaluations of new tape drives coming

  • Purchasing for 2006…2008 becoming clearer

  • Lxbatch field-proving Quattor again and again (T. Kleinwort)

  • Preparing for LSF 6

CERN site report – Helge Meinhard - 6


Architecture and data challenges 1

Architecture and Data Challenges (1)

  • Worked with FNAL on SL: SLC3 in final phase of certification

    • Production-like systems for tests

  • Support from RedHat started in July

  • OpenLab

    • Voltaire joined as contributing partner

    • Project proposal on security

    • Disk server studies: 4-way Itanium SIAB (Storage In A Box), 2 x 3Ware 9500, 24 SATA disks: 750 MB/s read, 340 MB/s write, 350 MB/s read over 10GbE (J. Iven)

CERN site report – Helge Meinhard - 7


Architecture and data challenges 2

Architecture and Data Challenges (2)

  • New Castor successfully tested in full chain

  • OpenAFS: High load on big servers revealed bugs

    • CERN providing fixes to OpenAFS

  • Still investigating migration to krb5

  • Consolidated HEPiX scripts released

CERN site report – Helge Meinhard - 8


Data bases

Data Bases

  • Looking at Oracle 10g

  • Strong collaboration with Oracle (2 Oracle funded fellows in OpenLab)

    • DataGuard (disaster recovery and scheduled upgrades)

    • Oracle Streams (replication)

  • Preparing for a high-availability Oracle cluster (RAC) running under Linux

  • POOL passed real test with 400 TB of data (D. Duellmann)

CERN site report – Helge Meinhard - 9


Product support 1

Product Support (1)

  • Solaris 9 certification delayed, now targeted for end 2004

    • Moving target

    • Debugging took longer than expected, as did writing NCM components

    • Solaris will be much more in line with Linux than before

    • Will use software from Solaris Software Companion

  • Solaris security

    • Certification machines compromised three times

    • Awareness and requirements raised

    • Considering Ipfilter, AV software, and automatic security updates

CERN site report – Helge Meinhard - 10


Product support 2

Product Support (2)

  • CVS services

    • 100 projects, 14 GB of source code, 4 new projects/month

    • Some servers compromised by pserver exploit

    • Finer control of Web-based access required

  • Monitoring migrating from UIMON to Lemon (M. Schröder)

  • Transition to new desktop support contract

    • New contractor since 01 July

  • Licensing infrastructure (M. Schröder)

CERN site report – Helge Meinhard - 11


User and document services

User and Document Services

  • Procedure rolling for new supply contract for CERN desktops

  • InDiCo (conference management tool) passed field test at CHEP with highest marks

  • Cern Computer Newsletter changed:

    • Dedicated pages on computing in every other issue of CERN Courier

    • More technical and CERN-specific info in online CNL

CERN site report – Helge Meinhard - 12


Internet services

Internet Services

  • Windows Terminal Server now production service (R. Gaspar)

  • SMS 2003 client deployed everywhere (R. Otto)

  • > 100 new servers, Windows 2003 server

  • Mail

    • Secure (SSL) services for imap, pop, smtp as an option

    • Accepting mail requires successful reverse DNS lookup and successful smtp connect

    • Listbox service renewal (R. Gaspar)

    • Spam fighting, Exchange 2003 (R. Otto)

CERN site report – Helge Meinhard - 13


Security

Security

  • Many incidents

    • Sasser worm, cvs breakin, Windows machines taken over by intruders, Solaris problems, lxplus root compromised, …

  • Lessons:

    • Tightening firewalls and patch handling

    • Dual-boot machines are problematic

    • Non-centrally managed machines are problematic

      • Visitors’ laptops are very non-centrally managed…

    • Local Windows admin account forcefully secured by strong password

    • Viruses arrive at CERN faster than updated signatures

    • P2P activities often the source of problems

CERN site report – Helge Meinhard - 14


Miscellaneous

Miscellaneous

  • Grid Deployment moving ahead (I. Bird)

    • 82 sites, 9000 CPUs in LCG2

  • ACB (Automatic Call-Back) on its way out

    • Call-back and ‘0800’ numbers stopped in July

    • Final switch-off end 2004

  • Pilot for IP telephony

  • Beam studies for the LHC à la SETI: [email protected]

  • LCG service challenges (HEPiX Edinburgh)

  • LCG MoU being prepared

CERN site report – Helge Meinhard - 15


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