Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
Status of Tokyo LCG Tier 2 Status of Tokyo LCG Tier 2 Center for ATLAS Center for ATLAS
Hiroshi SakamotoHiroshi SakamotoInternational Center for International Center for
Elementary Particle Physics Elementary Particle Physics (ICEPP)(ICEPP)
The University of TokyoThe University of Tokyo
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
ContentsContents
FabricFabric
NetworkNetwork
Service Challenge/Atlas CSCService Challenge/Atlas CSC
Atlas Analysis Structure inside JapanAtlas Analysis Structure inside Japan
Resource Plan UpdateResource Plan Update
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
http://aenews.cern.ch/body.php?issueno=200702
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
Disk ArraysPC Servers
Tape Robot
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
T1-T2T1-T2 関係関係TierTier--11——TierTier--2 Associations2 Associations
ASGCASGC Tier-2s in Taiwan and Melbourne
Receives simulation from Tokyo and Beijing
Can send AODs etc. to Tokyo and Beijing
BNLBNL All Tier-2s in the USA
CNAFCNAF All Tier-2s in Italy
FZKFZK All Tier-2s in Germany
CSCS, Krakow, Prague, Innsbruck
IN2P3IN2P3--CCCC All Tier-2s in France
Romania
Sends AODs etc. to Tokyo and Beijing
NDGFNDGF NDGF (Tier-2) and Ljubljana
NIKHEF/SARANIKHEF/SARA Tier-2s in Russia and Israel
Receives simulation from NorthGrid (UK)
[Receives any surplus simulation from Prague]
PICPIC All Tier-2s in Spain and Lisbon
RALRAL Sends AODs etc. to all Tier-2s in
the UK
Receives simulation from all Tier-2s in the UK except NorthGrid
TRIUMFTRIUMF All Tier-2s in Canada
R. Jones
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
Tokyo-TaipeiTokyo-TaipeiSmall round trip time (RTT) ~60msSmall round trip time (RTT) ~60ms
Relatively limited bandwidth Relatively limited bandwidth ~620Mbps~620Mbps
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
Tokyo-LyonTokyo-Lyon
Very large RTT ~300msVery large RTT ~300ms
Enough bandwidth ~10GbpsEnough bandwidth ~10GbpsLimited at end point ~1GbpsLimited at end point ~1Gbps
Many hopsMany hops
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
TCP TuningTCP TuningKernel 2.6Kernel 2.6
TCP Congestion ControlTCP Congestion ControlTCP RenoTCP Reno
BIC TCPBIC TCP
+PSPacer+PSPacerPrecision Software PacerPrecision Software Pacer
From AIST GridTCP projectFrom AIST GridTCP project
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
Atlas Computing System Atlas Computing System CommissioningCommissioning
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
: 1G to 10G
: Edge node (w/ edge L2 SW)
: Core node (w/ core L2 SW + IP router)
: 10G to 40G
EdgeEdgeL2 SwitchL2 Switch
CoreCoreL2 SwitchL2 Switch
SINET3
IP Router
Core Layer
Edge Layer
:L1(dedicated):L3(IP) :L2(Ethernet)
Ethernet I/Fs
Sinet3: New Japanese Sinet3: New Japanese Academic Network Academic Network
InfrastructureInfrastructure
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
Atlas Analysis Structure In Atlas Analysis Structure In JapanJapan
Use Tokyo Tier2 for user Use Tokyo Tier2 for user analysisanalysis
No grid sites for Atlas Japan No grid sites for Atlas Japan under Tokyo for a whileunder Tokyo for a while
For each instituteFor each instituteInstall UI using TAR_UIInstall UI using TAR_UI
Site-info.def looks at TokyoSite-info.def looks at Tokyo
Tutorial for Japanese usersTutorial for Japanese usersInstalling UI and Atlas softwareInstalling UI and Atlas software
Usage of gLite and Atlas releaseUsage of gLite and Atlas release
Status of Tokyo LCG tier-2 center for atlas / H. Sakamoto / ISGC07
Resource Plan UpdateResource Plan Update
Japan, ICEPP, TokyoJapan, ICEPP, Tokyo PledgePledgedd
Planned to be pledgedPlanned to be pledged
20062006 20072007 20082008 20020099
20120100
20112011
CPU (kSI2k)CPU (kSI2k) 200200 10001000 10001000 10010000
30030000
30003000
Disk (Tbytes)Disk (Tbytes) 4040 200200 400400 400400 600600 600600
Nominal WAN Nominal WAN (Mbits/sec)(Mbits/sec)
10001000 20002000 20002000 20020000
20020000
20002000
Original
Updated Plan
Major upgrade in 2010Atlas requirements: 100kSI2k – 42TB
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