Grid Activity in China

Sun Gongxing, IHEP, Beijing

The Grid Projects in China • Vega Grid Project ( ICT, MOST) • National High Performance Computing Environment funded by 863 program (Many participants, MOST) • Scientific Data Grid. (CAS, MOST) • HEP data grid.(IHEP) • Grid infrastructure building (MOE)

Overview of China’s Grid Project

Build a superserver for major grid sites. Build a few of HPC centers. Develop system software for the Grid s

ystem. Develop demo applications on the Grid. Build 2Gbps interconnection among 10

0 university.

The Vega Project

1. Design goals:• Design and implement Grid-level software.• Build a national-scale infrastructure suppor

ting HPC.• Develop application running on testbed.2. Grid-oriented superservers—Dawning 4000,

5000,etc.3. Service Grid

Stress Distribution of 3800TEU

500hPa Contours in Weather Forecasting

The Vega Grid Topology

It is Router-centered structure:

The Vega Grid Computing Protocol

The Vega OS

Vega OS overview1, A user-level middleware running on client mac

hine

• Vega GOS constructed by 2 components: GOS and gnetd

- GOS is a daemon running on client machine. - gnetd is a daemon on grid server response to client commands.

Grid process and Grid thread - Grid process is a unit for managing the

whole resource of the Grid. - Grid thread is a unit for executing

computation on the Grid.

2, Vega APIs introduction Vega GOS APIs - GOS APIs for application developers grid(): constructs a Grid process on client

machine. gridcon(): grid process connects to Grid sy

stem. gridclose(): close a connected grid. ……

• gnetd APIs for service developer on Grid servers

- grid_register(): register a service to Grid. - grid_unregister(): unregister a service. …….

- A GOS-based application. - No central control - shell commands: > gsub > gstat > gkill, ……

The Vega Grid Batch System

- All kinds of resources registered in Grid. > Computational resources: cycles, mem, disk, networks…… > software: DB, CAD…… > services: ftp, http, mail……

Global Batch System in Vega Grid

Travel-An Online Transaction system

An online transaction system----travel in China- GOS-based application- 4 different basic services registered in the Grid. * Wheather forecasting * airline ticket booking * sight spot ticket booking * charging- Putting these 4 services into an application

The National HPC Project Overview - Set up 9 HPC sites across China - Interconnected these 9 sites with available networks ( Cernet & NSTTet) - equipped each site with Dawning 2000/3000, Galaxy 3(20Gflops), Sunway 1(460Gflops), PC-cluster(8Gflops)

Overview of the Grid System Software

A function layer on top of node OSs. Management of resources, users and t

asks. Authentication and authorization. Hardware-enhanced encryption. Web –based user interface.

The Grid System Software

User Management

Job Management(submit)

Resource Management(Find a User)

The Grid System Monitoring

The Grid Utilities

The Grid Applications Weather forecasting. Petroleum reservoir simulation. Bio-information database and applications. Numerical wind tunnel simulation. Automobile collision simulation. Ship structure analysis. National scientific databases and

applications. Digital library.

Audio

Notebook HPC

BP, Mobile phone

Video Camera

Tel. Game

TV

DVD

PC

Internet

Gigabit IP Network

Node Node Node Node

DBInfo lib.

Instr.

NHPCE

International Cooperation Joint research supported by

European and China. Source sharing - Computing power - Database - Software tools - Application software

The Scientific Data Grid Project Build on the top of scientific

databases. Belong to CAS, but open to the

world. Plan to provide service in 2004-

2005.

Scientific Database(SDB)

SDB funded by CAS since 1986. SDB is a collection of multiple disciplinary

databases, including chemistry, biology, geography, astronomy, ecology, etc.

By 2005, there are - 400+ member institutions across China. - 300+ databases which is distributed and heterogeneous. - 10TB+ data volume size.

Why do SDG? Resource level—sharing and

development. - make data more accessible.

- data integration - and more easy to do: data->information->knowledge.

Application level—emerging applications - can do what we can not do before. - cross multiple databases/multiple disciplines. - require more resources ( cycles, bandwidth, instrument, etc.)

Tasks

Build testbed - one data center - and three sub data center. Middleware - information service - security - user interface Applications - Chemistry/Geo-science/astronomy/biolog

y…

Bio CenterCluster 8 nodes1-2TBBeijing

Data Center (CNIC)Cluster 16 nodes15TB

Geo CenterCluster 8 nodes1-2TBBeijing

1000M

Chemistry CenterCluster 8 nodes1-2TBShanghai

SDG Resources: 20 TB 4 PC Clusters CSTNET

155M

1000M

Mass Storage Database Application Server

MDS Server

CA Server

PortalServer

SDG Data Center

Supercomputers at CNIC ~2 TFLOPS

Grid MiddlewareApplication

GAPI

DRB

UAI

Local DBMS

databases

local data management system, could be DBMS or file system

universal access interface to single data resource

coordinated access to multiple data resources

app-oriented, unified program interface

applications

GSI

xMDS

Projects CAS The tenth five-year program (2001

—2005) (37MRMB). 863 program (MOST) A special program (proposed).

Collaboration PRAGMA APGrid SDSC KISTI ASCC Texas A&M Univ.

HEP Data Grid Currently funded by IHEP, CAS. Build a BES VO in IHEP campus networ

k environment for BES experiment. Probably Add to CMS and Atlas Vos in t

he future for CMS and Atlas collaborations.

ARGO-YBJ VO for ARGO-YBJ experiment.

The HEP Grid Testbed Topology

GIIS

GRIS GRIS

Condor PBS

Two 6 CPUs PC-FARM

Current Main Tasks Large Scale Linux Configuration and mainte

nance—LCFG. Authentication/authority—GSI. Resource Information Management—MDS. Grid Resource Allocation Management—GR

AM. Data Replication Management—GDMP. HEP analysis software gridifying—Appln.

The Future Work

Build IHEP campus Grid computing environment sharing about ten PC-Farms.

Promote collaboration with National Grid Projects and international Grid communities

Make effort to propose Regional Center 2 project in China.