[gsa-rg] Minutes from GSA-RG Telecon June 21st, 2006

[Ramin Yahyapour]

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Following are my minutes from the last telecon.
Let me know of something is missing or should be modified.

Ramin


Telecon GSA-RG

June 21st, 2006; 9am UTC

Attendees:
- -	Wolfgang Ziegler
- -	Mathias Dalheimer
- -	Ariel Oleksiak
- -	Ramin Yahyapour
- -	Note from Philipp Wieder, Nicola Tonellotto

Requirements Document:
- -	limited progress has been made as the different partners are currently quite busy.
- -	Consensus is that this will improve in the next weeks.
- -	The assignment of sections is still available from the GridForge Excel sheet:
https://forge.gridforum.org/sf/go/doc8641?nav=1
o	Information Service	Ramin
o	Job-/Workflow Requirement Description	Ariel, Philipp
o	Resource Discovery	Philip
o	Reservation Management, Agreement and Negotiation	Ramin, Wolfgang
o	Job Management	Nicola
o	Data Management	Ramin, Wolfgang
o	Network Management	Ramin, Wolfgang
o	Performance Prediction	Ariel

- -	Examples for filling the form are available here:
https://forge.gridforum.org/sf/go/doc8629?nav=1

- -	Goal: get the contributions together mid July.

Scheduler Interoperability:
- -	the different partners all work on or have available Grid scheduling solutions
- -	discussion at GGF17 showed that there is interest in exploring the interoperability of these
schedulers. Future Grid use seems to indicate that there will be different Grids and VOs with
different Grid schedulers. Thus, the replacement towards centralized solutions is not expectable.
- -	Partners in GSA work on Calana (FhG, Mathias), Viola Metascheduler/Unicore (Wolfgang, Philipp),
D-Grid/C3Grid/GT4 (UniDo, Ramin), HEP-LCG/WMS-RB (UniDo, Ramin), GRMS (PSNC, Ariel).
- -	Mathias provided a set of slides for possible connection with the Calana system.
- -	Discussion on the slides showed that the approaches between different systems is more or less
similar:
o	Discovery/Identification of remote Grid schedulers
o	Phase of Information Gathering
o	Optional phase of Negotiation with Remote Scheduler (non-binding)
o	Selection of a suitable allocation offer
o	Optional phase of agreement creation/advance reservation
o	Hand-over of job execution to remote scheduler
o	Monitoring of job state for potential re-scheduling

Next steps:
o	Collect currently used job descriptions of the partners (JSDL?, extensions?, scheduling information?)
oi	Every partner want to provide a short summary.
o	Ariel looks for existing information/table from JSDL work
o	Ramin creates a slide with the summary of the above steps.
o	All partners work on their contribution to the requirements document

Next telecon:
- -	mid July (tbd)

- --
Dr.-Ing. Ramin Yahyapour         | mailto:Ramin.Yahyapour at uni-dortmund.de
Computer Engineering Institute   | phone: (+49) 0231/755-2735
University of Dortmund           | mobil: (+49) 0179/5261973
44221 Dortmund / Germany         | fax:   (+49) 0231/755-3251
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