July 29' 2010INDIA-CMS_meeting_BARC1 IndiaCMS @ LHC Computing Grid Makrand Siddhabhatti DHEP, TIFR...

July 29' 2010 INDIA-CMS_meeting_BARC 1

IndiaCMS IndiaCMS @@

LHC Computing GridLHC Computing Grid

Makrand SiddhabhattiMakrand Siddhabhatti

DHEP, TIFRDHEP, TIFR

MumbaiMumbai


Grid at a GlanceGrid at a Glance

A computing system supports the heterogeneous A computing system supports the heterogeneous environment of operating system termed as GRID.environment of operating system termed as GRID.

Distribution managing the environment in a Grid Distribution managing the environment in a Grid called Middleware.called Middleware.

gLite : Lightweight Middleware for Grid Computing.gLite : Lightweight Middleware for Grid Computing.

gLitegLite is a grid Middleware distribution mainly is a grid Middleware distribution mainly developed by EGEE (developed by EGEE (EEnabling nabling GGrids for rids for EE-scienc-sciencEE).).

Latest Released version of gLite is 3.2 compatible with Latest Released version of gLite is 3.2 compatible with Scientific Linux 5. Scientific Linux 5.


Managing Servers @ TIFRManaging Servers @ TIFR

Computing ElementComputing Element

Worker Node Batch Queues LRM Worker Node Batch Queues LRM

Storage ElementStorage Element

DPM SRM Pool ServersDPM SRM Pool Servers

Monitoring Element : Publishing Static and Dynamic Monitoring Element : Publishing Static and Dynamic Information Information


Storage (DPM+SRM)Storage (DPM+SRM)

Storage Elements Facilitates with :Storage Elements Facilitates with :

SRM (SRM (SStorage torage RResource esource MManager) interface provides anager) interface provides the combined view of whole storage to grid viewers & the combined view of whole storage to grid viewers & end users.end users.

DPM(DPM(DDisk isk PPool ool MManager) is an administration which anager) is an administration which manages the pool servers.manages the pool servers.

18 high performance RAID6 configured pool servers18 high performance RAID6 configured pool servers giving the aggregate storage capacity ofgiving the aggregate storage capacity of

~ 340 Tera Bytes~ 340 Tera Bytes..

Road Map of Adding Road Map of Adding ~ 240 Tera Bytes ~ 240 Tera Bytes of storage to of storage to existing one.existing one.


With the help of SRM a view of Online Storage of IndiaCMS

from GStat.

~15% storage space available


PhEDEx – CMS Data TransferPhEDEx – CMS Data Transfer

PhEDEx is short for PhEDEx is short for PhPhysics ysics EExperiment xperiment DData ata ExExport.port. Tool is exclusively designed for CMS experiment for file Tool is exclusively designed for CMS experiment for file

transfer and data placement.transfer and data placement. Tool is basically a front end for data manager / end Tool is basically a front end for data manager / end

users / system administrator to have a look of there users / system administrator to have a look of there respective prospective like ...respective prospective like ...

System AdministratorSystem Administrator : check Data Transfer Rates : check Data Transfer Rates etc.etc.

Data ManagerData Manager : Approve / Deny Transfer: Approve / Deny Transfer UserUser : Transfer / Deletion Request: Transfer / Deletion Request

Transfers are highly dependent on proper functioning of Transfers are highly dependent on proper functioning of network links.network links.


Data ?Data ?

July 29' 2010 INDIA-CMS_meeting_BARC 8July 29' 2010 INDIA-CMS_meeting_BARC 8

July 29' 2010 INDIA-CMS_meeting_BARC9


T1_US_FNALT1_TW_ASGCT2_US_NABRASKAT2_DE_RWTHT3_US_FNALLPC


T1_UK_RAL

T1_US_FNAL

T3_US_FNALLPC

T1_DE_KIT

T1_FR_CCIN2P3

T1_ES_PIC

T1_TW_ASGC

T1_IT_CNAF

T1_CH_CERN

July 29' 2010INDIA-CMS_meeting_BARC1 IndiaCMS @ LHC Computing Grid Makrand Siddhabhatti DHEP, TIFR...

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