Fw: [AG-TECH] multinode?

Thu Dec 2 02:12:39 CST 2004

Ti Leggett wrote:

>The Access Grid is based off of the Globus toolkit currently. The Globus
>toolkit is one toolkit developed to enable the creation and use of
>grids. Primarily what the AG uses of the Globus toolkit are the secure
>connections (hence the need for certificates) and data transfer/storage
>(i.e., GridFTP). By itself, the AGTk does not allow the job submission,
>etc; however, since it's based on the Globus toolkit adding those
>services or shared applications is fairly trivial. Derek has the right
>description in regards to the AG enabling people to interact the way
>that Globus and grid toolkits enable computers/clusters to interact.
>
>That being said, I believe there has been work as part of the Scientific
>Workspaces of the Future (SWOF) project to create an AG shared
>application or service that allows an AG user to start globus jobs on a
>remote cluster using data stored in the AG data store and collect data
>back to the AG data store.
>  
>
Good morning, guys!
This is interesting. any updates on this work? do you know any key 
people working on this endeavor? :)

>On Mon, 2004-11-22 at 09:15 -0500, Derek Piper wrote:
>  
>
>>	For my own understanding of it, I didn't think that grid-computing 
>>(TeraGrid) and AccessGrid were the same sorts of things. To my mind, 
>>'AccessGrid' is a colaborative tool, any number of people can interact 
>>with each other. Grid computing on the other hand is .. well, any number 
>>of *computers* 'interacting' with each other, i.e. job/message passing. 
>>People might use the AccessGrid to talk about projects like TeraGrid, 
>>but I don't believe they are as closely related as you mention.
>>	By nodes 'working', the subject I thought was that of running 
>>AccessGrid audio,video and display services on machines of either 
>>platform (Windows/Linux). In that manner, either platform works for each 
>>service. There may be performance differences, but they will both do a job.
>>	Of course I am happy to be enlightened about any of this by anyone more 
>>knowledgable :)
>>
>>	Derek
>>
>>Natalia Costas Lago wrote:
>>    
>>
>>>Mmmm.... i dont understand then the "grid" part of AccessGrid, I though 
>>>you could "send a job" to a resource on the grid... I know almost 
>>>nothing about grid computing. How can u do that without comands like 
>>>"globus-job-run"??
>>>Could you send me some directions about how could I do it from Linux or 
>>>windows?. Is there any documentation related to "how to access the grid 
>>>using AccessGrid?", we have a deparment working on projects related to 
>>>grid, I would like to know the things I should ask to them in order to 
>>>do a demo about AccessGrid "grid" capabilities.
>>>
>>>The point is that i wanna shouw our collegues a demo about accessing the 
>>>grid and working together using the Accessgrid.
>>>
>>>Kind regards,
>>>Natalia.
>>>
>>>----- Original Message ----- From: "Derek Piper" <dcpiper at indiana.edu>
>>>To: "Natalia Costas Lago" <natalia at cesga.es>
>>>Cc: "ag-tech" <ag-tech at mcs.anl.gov>
>>>Sent: Friday, November 19, 2004 3:41 PM
>>>Subject: Re: Fw: [AG-TECH] multinode?
>>>
>>>
>>>      
>>>
>>>>Both platforms have globus, Windows and Linux. How else would a 
>>>>personal node work? :)
>>>>Chris is right, all combinations work. Python and C are cross-platform 
>>>>languages. In theory even Mac OS-X would work too, using the unix AG 
>>>>source.
>>>>
>>>>Derek
>>>>
>>>>Natalia Costas Lago wrote:
>>>>
>>>>        
>>>>
>>>>>
>>>>>
>>>>>Do people involved in Grid projects agree with that?. Does Win globus
>>>>>support have the same functionality as Linux one? I think I recalled 
>>>>>that
>>>>>some months ago I realised that there werent the same globus files in
>>>>>windows than in Linux, and I asked our system guys and they said that 
>>>>>there
>>>>>was no globus for windows...
>>>>>
>>>>>Regards,
>>>>>Natalia.
>>>>>
>>>>>          
>>>>>
>>>>>>----- Original Message ----- From: "Osland, CD (Chris)" 
>>>>>><C.D.Osland at rl.ac.uk>
>>>>>>To: "AG-TECH list" <ag-tech at mcs.anl.gov>
>>>>>>Sent: Friday, November 19, 2004 10:49 AM
>>>>>>Subject: RE: [AG-TECH] multinode?
>>>>>>
>>>>>>
>>>>>>            
>>>>>>
>>>>>>>I totally agree; all-Windows, all-Linux, mixed: all work.  I don't
>>>>>>>know the status of AG on Macs these days because we don't use them.
>>>>>>>
>>>>>>>Cheers
>>>>>>>
>>>>>>>Chris
>>>>>>>
>>>>>>>____________________________________________________________________
>>>>>>>Chris Osland                                               Office 
>>>>>>>tel: +44
>>>>>>>(0) 1235 446565
>>>>>>>Digital Media and Access Grid                          Medialab 
>>>>>>>tel: +44 (0)
>>>>>>>1235 446459
>>>>>>>BIT Department                                     Access Grid room 
>>>>>>>tel: +44
>>>>>>>(0) 1235 445666
>>>>>>>e-mail:   C.D.Osland at rl.ac.uk Fax: +44
>>>>>>>(0) 1235 445597
>>>>>>>CCLRC Rutherford Appleton Laboratory (Bldg. R18)
>>>>>>>Chilton, DIDCOT, Oxon OX11 0QX, UK
>>>>>>>[The contents of this email are confidential and are for the use of 
>>>>>>>the
>>>>>>>intended recipient only.
>>>>>>>If you are not the intended recipient do not take any action on it 
>>>>>>>or show
>>>>>>>it to anyone else,
>>>>>>>but return this email to the sender and delete your copy of it.]
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>              
>>>>>>>
>>>>>>>>-----Original Message-----
>>>>>>>>From: owner-ag-tech at mcs.anl.gov [mailto:owner-ag-tech at mcs.anl.gov]On
>>>>>>>>Behalf Of Christoph Willing
>>>>>>>>Sent: 19 November 2004 03:43
>>>>>>>>To: Natalia Costas Lago
>>>>>>>>Cc: AG-TECH list
>>>>>>>>Subject: Re: [AG-TECH] multinode?
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>On 19/11/2004, at 3:48 AM, Natalia Costas Lago wrote:
>>>>>>>>                
>>>>>>>>
>>>>>>>>>mmm... r u sure? I thought the reason of the linux nodes was the
>>>>>>>>>possibility of accessing the grid by means of globus.
>>>>>>>>>Am I wrong??
>>>>>>>>>
>>>>>>>>>                  
>>>>>>>>>
>>>>>>>>The globus stuff exists in the Windows version of the AG2 toolkit 
>>>>>>>>too.
>>>>>>>>
>>>>>>>>While the answers below to the original question are strictly 
>>>>>>>>correct,
>>>>>>>>one can also ask/respond:
>>>>>>>>
>>>>>>>>Can a multisystem node use linux as all three computers?
>>>>>>>>yes
>>>>>>>>What is the purpose of windows .... do I need it?
>>>>>>>>no
>>>>>>>>
>>>>>>>>                
>>>>>>>>
>>>>>>>>>> Can a multisystem node use winXP as all three computers?
>>>>>>>>>>                    
>>>>>>>>>>
>>>>>>>>>yes
>>>>>>>>>
>>>>>>>>>                  
>>>>>>>>>
>>>>>>>>>>What is the purpose of the linux .... do I need it?
>>>>>>>>>>                    
>>>>>>>>>>
>>>>>>>>>no
>>>>>>>>>                  
>>>>>>>>>
>>>>>>>>Christoph Willing                        Ph: +61 7 3365 8350
>>>>>>>>QPSF Access Grid Manager
>>>>>>>>University of Queensland
>>>>>>>>
>>>>>>>>                
>>>>>>>>
>>>>>>>              
>>>>>>>
>>>>>
>>>>>          
>>>>>
>>>>-- 
>>>>Derek Piper - dcpiper at indiana.edu - (812) 856 0111
>>>>IRI 323, School of Informatics
>>>>Indiana University, Bloomington, Indiana
>>>>
>>>>        
>>>>
>>>
>>>      
>>>