lcg activities in china

LCG Activities in ChinaLCG Activities in China

Gang Chen, IHEP/CCGang Chen, IHEP/CC

China-CERN WorkshopChina-CERN Workshop

23/4/2123/4/21

China-CERN, BeijingChina-CERN, Beijing Gang Chen/CC/IHEP 23/4/21 - 2

LHCLHC• China is involved in all four LHC China is involved in all four LHC

experiments, experiments,

• IHEP in CMS and ATLAS.IHEP in CMS and ATLAS.


BEPCII/BESIIIBEPCII/BESIII

BEPC: Beijing BEPC: Beijing Electron Positron Electron Positron ColliderCollider• Started in 1989Started in 1989• 2~5GeV/C2~5GeV/C• Being upgraded toBeing upgraded to Dual-Ring, Dual-Ring, (3~10)×10 (3~10)×103232 cm cm-2-2ss-1-1 • 27 27 Universities andUniversities and Institutes from US, Institutes from US, UK, Japan, Korea UK, Japan, Korea and China. and China.


BESIII ComputingBESIII Computing• CPUCPU ：： >>1000 P-IV/3GHz CPU for 1000 P-IV/3GHz CPU for

data data production/reconstruction production/reconstruction　　　　　　 and physics analysisand physics analysis

• StorageStorage ：： more than 3PB in 5 more than 3PB in 5 years. years.

• NetworkNetwork ：： for for international/domesticinternational/domestic communications communications


YBJYBJ--ARGO/ASARGO/AS

• Italy,Japan-China Italy,Japan-China cosmic ray cosmic ray observatories in observatories in Tibet.Tibet.

• 200TB raw data per 200TB raw data per year.year.

• Data transferred to Data transferred to IHEP and processed IHEP and processed with 400 CPUs.with 400 CPUs.

• Rec. data Rec. data accessible by accessible by collaborators. collaborators.


More CollaborationsMore Collaborations

Members of International Members of International Collaborations:Collaborations:Huge computing demands.Huge computing demands.


Multipurpose Multipurpose PlatformPlatform

• A multipurpose platform is A multipurpose platform is supposed for ‘all experiments’supposed for ‘all experiments’

• LCG is the solution for LHC butLCG is the solution for LHC but• LCG could also be the solution for LCG could also be the solution for

other experiments.other experiments.


LCG TestbedLCG Testbed• LCG testbed at IHEP:LCG testbed at IHEP:

• RB, UI, CE, SE, Myproxy, MON (R-GMA), BDII, RB, UI, CE, SE, Myproxy, MON (R-GMA), BDII,

• WNs with 20 Xeon CPUs.WNs with 20 Xeon CPUs.

• 3TB RAID. 3TB RAID.

• China HEP CA, Registration Service at China HEP CA, Registration Service at Beijing site,Beijing site,


Home Made Home Made ClusterCluster


LCG TestbedLCG Testbed• LHC, BESIII softwares are running LHC, BESIII softwares are running

• Trying to port YBJ to LCG, Trying to port YBJ to LCG, cooperating between CNIC and cooperating between CNIC and IHEP.IHEP.

Supported by NSFC.Supported by NSFC.


YBJ-ARGOYBJ-ARGO• Established a 8Mb/s link from Established a 8Mb/s link from

Tibet to Beijing, by CNIC. To be Tibet to Beijing, by CNIC. To be upgraded to 155Mb/s soon. upgraded to 155Mb/s soon. Stopped bringing tapes from last Stopped bringing tapes from last month.month.

• Building a computing system Building a computing system based on LCG,based on LCG,collaboration of IHEP, CNIC, INFN, collaboration of IHEP, CNIC, INFN, EUChinaGrid application of EU FP6 EUChinaGrid application of EU FP6 project.project.


China CAChina CA•A CA is being set up at IHEPA CA is being set up at IHEP

•Expected to serve HEP and otherExpected to serve HEP and other communities communities

•Being Being accredited accredited by EUGridPMA by EUGridPMA


SW Rep

ELFms testELFms test

Node

CfgCache

SWCache

SPMA

SWRepCDB

CDBOraMon

NCMMSA

SMS

HMS

LEMON

LEAF

配置与安装

硬件管理

系统与服务监控

Based on GridTechnology

ELFms: Extra Large Fabricmanagement system


Castor deploymentCastor deployment

• Castor as mass storage Castor as mass storage management was management was installedinstalledon ADIC tape library. on ADIC tape library.

• Could be the storage Could be the storage system for the large system for the large scale Tier-1scale Tier-1


CooperationsCooperations

• IHEP established tight IHEP established tight cooperations with cooperations with

• CERN CERN

• ASCC ASCC

• IN2P3/CPPMIN2P3/CPPM

• CNICCNIC


New ResourcesNew Resources• Adding 30 new CPUs and a few TB, Adding 30 new CPUs and a few TB,

at IHEP.at IHEP.

• Installing LCG on 32-64 IA64 CPUs, Installing LCG on 32-64 IA64 CPUs, at CNIC. Scheduled to be at CNIC. Scheduled to be complete in one month. complete in one month.


InterconnectionsInterconnections


LCG in ChinaLCG in China• IHEP is working with Peking IHEP is working with Peking

University and Shandong University and Shandong University to build LCG testbeds .University to build LCG testbeds .

• To be complete in one to two To be complete in one to two months.months.

YBJYBJ


Peking University and Shandong Peking University and Shandong UniversityUniversity

• Peking University:Peking University:Member of CMS CollaborationMember of CMS Collaboration

• Shandong University:Shandong University:Member of Atlas CollaborationMember of Atlas Collaboration


CNIC - CNIC - Computer Network Computer Network Information CenterInformation Center

• a supporting institution for a supporting institution for construction, operation and construction, operation and services of CAS’ Informatizationservices of CAS’ Informatization

• a R&D base for next generation a R&D base for next generation Internet technologiesInternet technologies

• 300+ staff, 140+ graduate 300+ staff, 140+ graduate studentsstudents


CNIC MissionCNIC Mission

CSTNet Network Center

Supercomputing Center

Scientific Database Center

Management Information Service Center

Network Technology and Applications Research Laboratory

China Internet Network Information Center

(CNNIC)


Prospects (1) – Prospects (1) – Tier-1Tier-1

• Up to 2008: A Tier-1 should be ready.Up to 2008: A Tier-1 should be ready.

• Support all experiments, if we get Support all experiments, if we get strong support from funding strong support from funding agencies.agencies.

• At least for CMS (and ATLAS), if the At least for CMS (and ATLAS), if the budget is limited.budget is limited.



unitsunitsStatuStatuss

Planned resourcesPlanned resources

20052005 20062006 20072007 20082008 20092009 20102010

CPUCPU MSI2kMSI2k 0.10.1 0.80.8 1.51.5 3.53.5 4.04.0 4.04.0

DiskDisk TBTB 33 200200 350350 500500 550550 600600

TapeTape TBTB 66 500500 18001800 28002800 38003800 48004800

TapeTape MB/sMB/s 1515 8080 160160 200200 260260 300300

WANWAN Mb/sMb/s 10001000 10001000 1000010000 1000010000 1000010000 1000010000Invst.Invst. MRMBMRMB 1.001.00 12.1812.18 13.5713.57 22.0022.00 8.768.76 5.075.07

Sum Sum Invst.Invst.

MRMBMRMB 1.001.00 12.1812.18 25.7525.75 47.7547.75 58.5158.51 61.5861.58

Scenario 1: for CMS, AtlasScenario 1: for CMS, Atlas

1 1 euro = 10.5 RMB yuaneuro = 10.5 RMB yuan



UnitsUnitsStatuStatuss

Planned resourcesPlanned resources

20052005 20062006 20072007 20082008 20092009 20102010

CPUCPU MSI2kMSI2k 0.10.1 0.60.6 1.21.2 3.03.0 4.04.0 4.04.0

DiskDisk TBTB 33 150150 280280 400400 550550 600600

TapeTape TBTB 66 400400 16001600 20002000 30003000 40004000

TapeTape MB/sMB/s 1515 8080 160160 200200 260260 300300

WANWAN Mb/sMb/s 10001000 10001000 1000010000 1000010000 1000010000 1000010000Invst.Invst. MRMBMRMB 1.001.00 9.239.23 12.0112.01 17.4817.48 14.5914.59 5.075.07

Sum Sum Invst.Invst.

MRMBMRMB 1.001.00 9.239.23 21.2421.24 38.7238.72 53.3153.31 58.3858.38

Scenario 2: for CMS onlyScenario 2: for CMS only



•Resources can be efficiently Resources can be efficiently shared.shared.

•Cost will be shared.Cost will be shared.

BES, YBJ may merge their BES, YBJ may merge their resources to build a bigger resources to build a bigger Tier-1.Tier-1.


Why Tier-1: Essential for Why Tier-1: Essential for LHCLHC

• A Tier-1 is essential for the Chinese A Tier-1 is essential for the Chinese physicists involved in LHC physicists involved in LHC experiments.experiments.

China contributed a lot on building China contributed a lot on building LHC detectors. Physicists need a LHC detectors. Physicists need a tool to access and analyze LHC data.tool to access and analyze LHC data.

No computing, no physics!No computing, no physics!


Tier-1 in the worldTier-1 in the worldTier-1 centerTier-1 center ALICEALICE ATLASATLAS CMSCMS LHCbLHCb

ASCC ASCC XX XX

CNAFCNAF XX XX XX XX

PICPIC XX XX XX

CC-IN2P3CC-IN2P3 XX XX XX XX

GridKAGridKA XX XX XX XX

RALRAL XX XX XX XX

BNLBNL XX

FNALFNAL XX

TRIUMFTRIUMF XX

NIKHEF/SARANIKHEF/SARA XX XX XX

NORDIC DATA NORDIC DATA GRID FACILITYGRID FACILITY

XX XX


Why Tier-1: other HEP exp.Why Tier-1: other HEP exp.

• LCG can be used for other HEP LCG can be used for other HEP experiments.experiments.

Good Example:Good Example:

BES software has already been BES software has already been ported on to LCG platform.ported on to LCG platform.


Why Tier-1: More Why Tier-1: More ApplicationsApplications

• LCG can be the grid platform for LCG can be the grid platform for many other applications, many other applications, both both Academic and Industrial. Academic and Industrial.

• Operating a Tier-1Operating a Tier-1Center itself will Center itself will generate great generate great technologies andtechnologies andexperiences.experiences.


Why Tier-1: EducationWhy Tier-1: Education

• LCG/Tier-1 will be of benefit to the LCG/Tier-1 will be of benefit to the education and training of education and training of computing scientists and others.computing scientists and others.

Directly access to the latest Directly access to the latest technology.technology.


Let’s build a Tier-1 Let’s build a Tier-1 center.center.

Thank youThank you

lcg activities in china

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