Grid INFN virtual Laboratory for Dissemination Activities

EELA-2 Workshop – Grid Computing EU 6th International Conference on Open Access, Lilongwe, Malawi

Grid INFN virtual Laboratory for Dissemination Activities

Leandro Neumann Ciuffo

[email protected]

INFN-Catania - Italy


• Introduction• Figures• How to join GILDA• How to access GILDA• User assistance• Demonstrative Applications• Tutorial layout• Summary and conclusions

Outline


Introduction

Bogotá, Colombia


Getting started

• GILDA is a complete Grid test-bed

• GILDA is an international effort funded by multiple sources

• Demonstrate/disseminate grid computing

• Adopted by several Grid projects worldwide

• It runs the latest version of the gLite middleware

• Using GILDA is free of charge


Why t-Infrastructure?

• Avoid disruption of production systems of Grid projects

• Users can practice prior to run their codes on the production e-Infrastructures

• Prepare users for future middleware releases

• Easy entry point for new users/communities


The GILDA Project – web portal

https://gilda.ct.infn.it


General grid services available on GILDA

MIDDLEWARE VERSION:

gLite 3.1


Interoperable with other middlewares

Super UI

Condor OMII-UK Globus gLite UNICORE

Condor OMII-UK Globus gLite UNICORE

Super CE

Single

Authorization

Framework


Figures

Beijing, China


Figures (1)

• Used in more than 300 tutorials in 52 countries– From 2004 onwards


Figures (2)

• More than 10000 certificates issued to users• ~30% renewed at least once


Test-bed

• Current test-bed (best effort maintenance)– 5 Grid sites– 148 CPUs– 455 TB of disk storage

• GILDA is “bookable on-demand” and “clonable on-demand”– Several GILDA-like insfrastructures are often created and last for a

short period of time


How to join GILDA

Istanbul, Turkey


How to join GILDA (1)

• Step 1: Head to the GILDA CA website https://gilda.ct.infn.it/CA/

CERTIFICATION

AUTHORITYGILDA

Don’t panic!

continue anyway / add an exception



• Step 2: Download the GILDA CA certificate

CERTIFICATION

AUTHORITYGILDA



• Step 3: Ask for a GILDA personal certificate

– Wait a couple of days. You will receive an e-mail from the GILDA CA with the URL from where you can download your GILDA Personal Certificate.

– You MUST always use the same computer and web browser you used to request your GILDA personal certificate.



• Step 4: Install your GILDA Personal Certificate in your web browser (Just follow the instructions you will receive in your e-mail).



• Step 5: Accept the GILDA Use Policy:https://gilda.ct.infn.it/aup.php



• Step 6: Register with the GILDA Virtual Organization (VO) :https://gilda.ct.infn.it/vo.html


How to join GILDA - help yourself

Clear instructions for diffe

rent kinds of

learners (users, sysadmins) about

how to access the t-Infrastructure.


How to access GILDA

Prague, Czech Republic


How to access GILDA (1/5)

1. Connecting to the GILDA User Interface via SSHglite-tutor.ct.infn.it / glite-tutor2.ct.infn.it



2. Login in to the Grid Tutor portalhttps://glite-tutor2.ct.infn.it



3. Using the Grid2Win user interfacehttp://grid2win.forge.eu-eela.eu



4. Installing the User Interfaces Plug & Play https://gilda.ct.infn.it/UIPnP.html• compliant with Scientific Linux 4.5/6 and Fedora Core 8

[lciuffo@myPc]$ voms-proxy-init --voms gildaEnter GRID pass phrase:Your identity: /C=IT/O=GILDA/OU=Personal Certificate/L=INFN/CN=Leandro CiuffoCreating temporary proxy ........................................................ DoneContacting voms.ct.infn.it:15001 [/C=IT/O=INFN/OU=Host/L=Catania/CN=voms.ct.infn.it] "gilda" DoneCreating proxy ................................................... DoneYour proxy is valid until Tue Nov 4 03:44:14 2008



5. Installing the User Interface Virtual Machine https://gilda.ct.infn.it/VirtualServices.html• VMware player required

(free downloadable from www.vmware.com/products/player)


User assistance

La Plata, Argentina


User Assistance

• Training material– Wiki page– Video tutorials– Step by step instructions

• Support system • GILDA Forge


Support System

• http://gilda-support.ct.infn.it– Create a ticket under the category "Grid User Environment"

– Indicate the IP number(s) from where you would like to ssh to glite-tutor2.ct.infn.it User Interface


Wiki pages

+90 topics (usage instructions, grid services installation and

management, application development) with plenty of

exercises. Three levels of difficulty:

Basic, Medium, and Advanced


Demonstrative Applications

Madrid, Spain


“Virtuous cycle” of applications on GILDA

Dissemination Training events

“Gridification”Deployment on large

Infrastructures and inclusion in the portfolio

of demonstrative applications


Applications: RASTER-3D

• Set of tools for generating high quality raster images of molecules


Applications: Volcano Sonification

(Picture: M. Monzier IRD/IG-EPN)(Picture: g1.globo.com)

Etna, Italy Tungurahua, Ecuador

• “Sonified” data from geophysical data collected by digital seismographs placed on volcanoes.


Applications: Volcano Sonification

• Seismograms Melodisation

5s = 20h processing in a simple PC


Applications: hadronTherapy

• Employed for the treatment of some kind of ocular tumours• Used to calibrate the proton beam line in reality


Applications: DEMTOOLs

• Satellite image rendering program• Input: ASCII file in DEM format (Digital Elevation Model) • Output: VRML file


Tutorial layout

Kuala Lumpur, Malaysia


Standard tutorial layout

User Interface

BDIIInformation System

Worker nodes

Worker nodes

CEComputing

Elements

VOMS

GILDA t-Infrastructure

laptops

LFCFile catalogue

WMSResource Broker

ssh

SE

Storage Elements

local Infrastructure


This room layout

malawi03 malawi04 malawi05 malawi06

User Credentials:

Username: malawiXXPassword: GridMALXX(where XX in [01..30])

Grid Passphrase: MALAWI

malawi07 malawi08

malawi11 malawi12 malawi13 malawi14 malawi15 malawi16malawi09 malawi10

malawi17 malawi18

malawi01 malawi02


Conclusions

Cairo, Egypt


Summary and Conclusions (1/2)

• GILDA is a "de facto" standard t-Infrastructure adopted by several EU-FP6 and FP7 projects;

• It is a complete suite of grid elements (test-bed, CA, VO,

monitoring system, web portal, user interfaces, support system) and applications fully dedicated to dissemination purposes and pre-porting of new applications to EGEE-like Infrastructures;

• It is also a digital inclusion tool by helping to spread Grid Computing knowledge around the world.


Summary and Conclusions (2/2)

• GILDA and Africa– African scientific communities can use GILDA to “gridify” and run

applications of local interest;

– Institutions can setup “clones” of GILDA locally to implement campus grids or even nation-wide e-infrastructures (we are already doing so in South Africa and Cuba);

– GILDA can offer free technical support for anyone willing to organize local training events on Grid computing

• It can be undergraduate courses, M.Sc courses, tutorials, Grid Schools etc.


Request a Tutorial

https://gilda.ct.infn.it


Events curricula

• Customized training events: from 1 day tutorial to 2 weeks Grid School

• Can be done without outside internet connection

Mérida, Venezuela Cairo, Egypt

Catania, ItalyBeijing, China


Bookmarks

• GILDA home page– https://gilda.ct.infn.it

• GILDA Support System– http://gilda-support.ct.infn.it

• GILDA Form for tutorial bookings– http://gilda-support.ct.infn.it

• GILDA Repository of Training Material– https://grid.ct.infn.it/twiki/bin/view/GILDA/WebHome

• ICEAGE Library– http://www.iceage-eu.org/library

• GILDA Virtual Services– https://gilda.ct.infn.it/VirtualServices.html


Thank you! - Q&A

Lilongwe, Malawi

Grid INFN virtual Laboratory for Dissemination Activities

Technology

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