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Re: [geclipse-dev] Transferring local input files during job submission - changes in jdl
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Hui! This is question's morning!
On Tue, 2007-11-13 at 09:40 +0100, Pawel Wolniewicz wrote:
>
> On Tue, 13 Nov 2007, Harald Kornmayer wrote:
>
> > Hi Mariusz
> >
> > Some questions pop up for me. (see also your mail to Ariel/the list
> > before).
>
> Maybe I will try to clarify a bit.
>
> >
> > How is this working? You mentioned in the mail before, the following
> >> So, as I understand input files workflow is:
> >> local machine -> CE -> WN
>
> In fact it is:
> local machine -> WMS -> CE -> WN
>
> > Here my question is: Do you not need a WMS? How does the Grid find out, which
> > CE to use?
> >
> > So I see the process a little bit more complex:
> >
> > 1. User defines the JSDL on his local machine
> > 2. User submits the JSDL
>
> JDL, not JSDL
Why is it like this?
What does us prevent to submit the full specified JSDL?
> > 2.a JSDL is transferred to MWS
>
> yes, in 3 steps:
> 1. Job is registered
> 2. files are transfered to WMS input sandbox
> 3. job is started
>
> Local machine can be now switched off, as it does not partiicpate in the
> later processes.
>
> > 2.b WMS selects a computing element (CE) to execute the job
> >
> > 3. The CE uploads the file
>
> yes, but CE transfer files from WMS sandbox and not from submitting
> machine
>
> > 4. The CE start the execution.
> >
> > 5. CE notifies the WMS/L&B about the completion of the job.
>
> yes, and outputsandbox files are transferred to WMS
>
> > 6. local machine can get the results from the WMS/L&B system
--
==============================================
Dr. Harald Kornmayer
Principal Researcher
NEC Laboratories Europe, IT Research Division
NEC Europe Ltd.
Rathausallee 10, D-53757 St. Augustin, Germany
Phone: +49 / 2241-92 52 57
Fax: +49 / 2241-92 52 99
E-mail: harald.kornmayer@xxxxxxxxxxxx
NEC Europe Ltd., Registered Office: NEC House,
1 Victoria Road, London W3 6BL,
Registered in England 2832014
==============================================
