I nt roduct ion t o grid t echnologies and pr act ical usage of - - PowerPoint PPT Presentation

I nt roduct ion t o grid t echnologies and pr act ical usage of gLit e Middleware

Present er: Shalt on Mot hwa Supervisor : Andrey Nechaevskiy (LI T)

CONTENTS

• 1. I nt r oduct ion
• 2. Aims and Obj ect ives
• 3. Theor y, Equipment or Exper iment al Descr ipt ion
• 4. Result s
• 5. Conclusion

2 Contents

I nt roduct ion

a) Human Fingers b) Abacus

d) Personal Comput er

c) Calculat or

?

3 Introduction

I nt roduct ion

Grid Comput ing

4

A comput at ional gr id is a har dwar e and sof t war e inf r ast r uct ur e t hat pr ovides dependable, consist ent , per vasive, and inexpensive access t o high-end comput at ional capabilit ies.

Introduction

I nt roduct ion

Grid Component s

5 Introduction

Aims

• This proj ect is t o t each applicant s f or basic

knowledge in Gr id t echnologies and concept s.

• To give essent ial skills needed f or f ur t her work in

t he Gr id (Gr id-enabled applicat ions and Administ r at ion)

6 Aims

Obj ect ives

• 1. Securit y inf rast ruct ure
• 2. Operat ions wit h met adat a cat alogs
• 3. Dat a management
• 4. J ob management

7 Objectives

Equipment Descript ion

Secur it y inf r ast r uct ur e 1. Request ing a digit al cert if icat e 2. Regist er wit h a Vir t ual Or ganizat ion (EDU in J I NR) 3. Making a t empor ar y pr oxy cer t if icat e

8 Security infrastructure

Equipment Descr ipt ion

Securit y inf rast ruct ure : Put t y

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Client server User I nt erf ace

Security infrastructure

Equipment Descr ipt ion

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Put t y is a f r ee open sour ce t er minal emulat or applicat ion which can act as a client f or (Secur e Shell) SSH net wor k pr ot ocol.

Security infrastructure

Equipment Descr ipt ion

Oper at ions wit h met adat a cat alogs

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List direct ories, get inf ormat ion about f iles and direct or ies, get inf ormat ion about right s, per missions and get inf ormat ion about resources.

Operations with metadata catalogs

Equipment Descr ipt ion

12

All LFC commands st ar t s f r om “lf c-”. To get f ull list when you are in a command line j ust t ype “lf c-” and pr ess TAB but t on. lf c-mkdir , lf c-ls, lf c-get acl, et c.

Logical File Cat alog (LFC) commands

Operations with metadata catalogs

Equipment Descr ipt ion

Lcg-inf osit es --vo edu all

13 Operations with metadata catalogs

Equipment Descr ipt ion

Filezilla window

14

Dat a management

Data management

Equipment Descr ipt ion

Dat a Management

15 Data management

Equipment Descr ipt ion

Dat a f ile copy and regist rat ion command

16 Data management

Equipment Descr ipt ion

J ob submission

17 Job submission

Equipment Descr ipt ion

St andard j dl f ile

18 Job submission

My Proj ect

19

We have a set of images (*.j pg). Ar chive cont aining f iles is placed in t he gr id lf n:/ gr id/ edu/ phot os/ phot os.lf n You should wr it e a scr ipt which will: 1.upload t he ar chive on t he appr opr iat e working nod 2.unpack t he ar chive 3.r esize all of images f r om ar chive using I mage Magic ut ilit y (t his t ool inst alled

• n vps105.j inr .r u)

4.Pack t his dir ect or y and and submit it t o t he gr id.

Equipment Descr ipt ion

J ob submission requirement s:j dl f ile

20 Job submission

J ob submission requirement s: Execut able f ile

The execut able f ile has t he main sour ce code t o per f or m t he act ual j ob submit t ed t o t he gr id.

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Equipment Descr ipt ion

Job submission

Equipment Descr ipt ion

Workload Management Syst em

22 Workload M anagement System

Equipment Descr ipt ion

J ob submission in gLit e

23 Workload M anagement System

Equipment Descr ipt ion

Main t ypes of j obs

• Single normal j obs
• DAG (Direct Acyclic Graphs)
• Collect ions
• Paramet ric
• I nt eract ive

24 Workload M anagement System

Equipment Descr ipt ion

J ob Submission command

25 Workload M anagement System

Equipment Descr ipt ion

J ob st at us command

26 Workload M anagement System

Result s

J ob out put

27 Results

Result s

Get t he guid of t he f ile in t he grid

Guid is used t o ident if y t he in t he gr id. Af t er t his it means your j ob has been successf ul execut ed and t he r esult s ar e st or e in gr id wit h t he guid. The t o download it t o a local machine t he lcg-cp command can be used.

28 Results

Conclusion

All t he basic concept s and t he t echnologies about gLit e were learnt and comprehended since t he grid ret urned correct result s.

29 Conclusion

Conclusion

30

Nowadays it ' s impossible t o imagine nat ur al science r esear ch wit hout comput er assist ance. I n each f ield scient ist s have a need t o simulat e complex pr ocesses, handle exper iment al dat a and st or e huge amount s of inf or mat ion' s.

Conclusion

Thanks !

31