October 2007 - gridrel-rg

Meeting of the Reliability and Robustness Research Group at OGF21
by Christopher Dabrowski 01 Nov '07

01 Nov '07

Dear all, On October 17, there was a meeting of the Reliability and Robustness Research Group at OGF21. At this meeting we reviewed the draft OGF informational document titled Reliability in Grid Computing Systems, which is intended to be the primary output of the RG. The draft summarizes the state of current work on Grid system reliability and describes requirements for capabilities needed to ensure high levels of reliability in current and future large-scale grid systems. The draft is based on work presented at two earlier workshops (GGF16 in Athens and OGF19 in Chapel Hill) and includes a substantial amount of additional work that many of us have identified as being relevant. At this point, the informational document is scheduled for finalization by February of next year. A shorter version of the document is planned for submission to a special issue of a journal publication dedicated to OGF work--by the end of this year. Since the time frame is short, we request that you provide comments/review of the posted draft informational document by November 2. (To obtain a copy, please see below). At the meeting, different sections of the document were discussed. Matti Hiltunen volunteered to propose revisions to the deflations section and possibly portions of the introduction. Dominic Battre also agreed to provide a relevant reference for the document, which he has kindly provided. If anyone else has comments and/or contributions, they would be most welcome. The draft and copy of a powerpoint presentation given at the meeting are posted on the RG grid forge web site* or can be obtained upon request. Sincerely, Chris Dabrowski. *Please see https://forge.gridforum.org/sf/projects/gridrel-rg. For the draft informational document, go to section labeled "documents". For the presentation go to "Meeting Materials." Christopher Dabrowski National Institute of Standards and Technology 100 Bureau Drive, Stop 8970 Gaithersburg, MD 20899-8970 Phone: +1 301 975-3249 FAX: +1 301 948-6213 cdabrowski(a)nist.gov

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References
by Dominic Battre 24 Oct '07

24 Oct '07

Hello, these are the links I promised to send in the gridrel-rg session at OGF 21: 1) This paper analyzes the distribution of uptime of nodes in a Grid: Alexandru Iosup, Mathieu Jan, Ozan Sonmez, Dick H. J. Epema, On the Dynamic Resource Availability in Grids, Grid 2007 http://www.pds.ewi.tudelft.nl/~epema/Papers/2007/GRID2007.pdf http://hal.inria.fr/docs/00/14/35/76/PDF/RR-6172.pdf 2) This is the link to our project, AssessGrid: http://www.assessgrid.eu We are looking into incorporating risk assessment into the Grid fabric (negotiating SLAs while knowing that resources can crash, scheduling aspects like provisioning of spare resources, and so on). I have put an item onto my todo-list to incorporate our work into the document. Best regards, Dominic

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Draft of Informational Document for OGF Reliability and Robustness RG
by Christopher Dabrowski 17 Oct '07

17 Oct '07

Dear all, Following the two reliability and robustness workshops held in Athens (GGF16 in February, 2006) and Chapel Hill (OGF19 in February, 2007), I have put together a draft informational document which summarizes the state of current work on Grid system reliability and describes requirements for capabilities needed to ensure high levels of reliability in current and future large-scale grid systems. This document is intended to evolve into a primary output of the OGF Reliability and Robustness Research Group (RG). The draft summarizes work presented at the two workshops and includes a substantial amount of additional work that many of us have identified as being relevant. The draft is posted on the RG grid forge web site* or can be obtained from me upon request. Please review the document and comment as you deem appropriate. It may also be that you can find omissions or areas of relevant work that should be included (that perhaps you may wish to contribute). There will be a meeting of the Reliability RG at OGF21, at which the main purpose will be to discus the status of the document. If you can attend, please do. If not, please feel free to send email to the reflector. Hope to hear from all of you, Sincerely, Chris Dabrowski. *See https://forge.gridforum.org/sf/projects/gridrel-rg, go to section labeled "documents". Christopher Dabrowski National Institute of Standards and Technology 100 Bureau Drive, Stop 8970 Gaithersburg, MD 20899-8970 Phone: +1 301 975-3249 FAX: +1 301 948-6213 cdabrowski(a)nist.gov

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