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Hi Graeme, I understood what you had said. But I can't tell you why. You will understand it once you complete the challenge :-) Cheers, Mingchao > -----Original Message----- > From: Testbed Support for GridPP member institutes [mailto:TB- > [log in to unmask]] On Behalf Of Graeme Stewart > Sent: 20 October 2008 14:15 > To: [log in to unmask] > Subject: Re: Enabling the gridpp VO (and providing a 72hr queue) > > This makes no sense to me. What does having a certain time to respond > to the security challenge have to do with the wallclock time on the > site's queues? > > If I can compromise your site it will probably happen <5s after my job > starts to run, even if I run it in a 7 day queue. > > Graeme > > On Mon, Oct 20, 2008 at 3:11 PM, Ma, M (Mingchao) > <[log in to unmask]> wrote: > > Hi All, > > > > What I can say at this stage is 72 hours mean sites have 72 hours to > > complete the security challenge. And if all sites agree that 48 hours > are > > enough then I can go with it. But I have to say 24 hours are too > short since > > sites have only about 8 working hours to response the challenge > unless you > > want to work around the clock. > > > > As Jeremy said in his previous email: "But, we want the reference > point the > > same across sites to allow responsiveness (and actions taken) across > sites > > to be measured in a consistent way." Technically I can go with any > hours as > > long as all sites agree upon it. But I have to say that we are better > to go > > with 72, 48 is also ok, but 24 is too short. > > > > Cheers, > > > > Mingchao > > > >> -----Original Message----- > >> From: Testbed Support for GridPP member institutes [mailto:TB- > >> [log in to unmask]] On Behalf Of Brew, CAJ (Chris) > >> Sent: 20 October 2008 12:39 > >> To: [log in to unmask] > >> Subject: Re: Enabling the gridpp VO (and providing a 72hr queue) > >> > >> And it doesn't have much meaning for sites that scale but CPU power. > >> > >> I have 72hr walltime queues but if you end up on a fast CPU that can > >> actually be less than 36hrs real time. > >> > >> (I know this strikes me as odd as well but it's the way the T1 does > it > >> and it does sort of make sense.) > >> > >> Yours, > >> Chris. > >> > >> > -----Original Message----- > >> > From: Testbed Support for GridPP member institutes > >> > [mailto:[log in to unmask]] On Behalf Of Alessandra Forti > >> > Sent: 20 October 2008 12:16 > >> > To: [log in to unmask] > >> > Subject: Re: Enabling the gridpp VO (and providing a 72hr queue) > >> > > >> > Hi Jeremy, > >> > > >> > I don't understand why 72hours (apaprt from the fact that it has > been > >> > the default wall time in yaim for the past 2 years? > >> > > >> > cheers > >> > alessandra > >> > > >> > Coles, J (Jeremy) wrote: > >> > > Dear All > >> > > > >> > > Thank you to all sites that have now enabled the gridpp VO. A > >> number > >> > > have still not responded to the request made several times > >> > over the last > >> > > 4-6 months. If your site does not have the VO enabled > >> > please could you > >> > > let me know if you (do not) intend to enable it? > >> > > > >> > > For those sites that have enabled it, please could I ask > >> > you to check > >> > > the available queues? I have been asked if we can provide a > >> > 72hr queue > >> > > for use by some jobs submitted under the VO and the current > >> > situation > >> > > shows that this is only available at half the supporting sites: > >> > > > >> > > > >> > > GridPP VO 72 hours queue > >> > > ScotGrid > >> > > UKI-SCOTGRID-DURHAM Yes Yes > >> > > UKI-SCOTGRID-ECDF Yes No > >> > > UKI-SCOTGRID-GLASGOW Yes Yes > >> > > > >> > > NorthGrid > >> > > UKI-NORTHGRID-LANCS-HEP Yes No > >> > > UKI-NORTHGRID-LIV-HEP Yes Yes > >> > > UKI-NORTHGRID-MAN-HEP Yes Yes > >> > > UKI-NORTHGRID-SHEF-HEP Yes Yes > >> > > > >> > > SouthGrid > >> > > EDFA-JET Yes No > >> > > UKI-SOUTHGRID-BHAM-HEP Yes Yes > >> > > UKI-SOUTHGRID-BRIS-HEP Yes Yes > >> > > UKI-SOUTHGRID-CAM-HEP No No > >> > > UKI-SOUTHGRID-OX-HEP Yes Yes > >> > > UKI-SOUTHGRID-RALPPD Yes Yes > >> > > > >> > > LondonGrid > >> > > UKI-LT2-Brunel Yes No > >> > > UKI-LT2-IC-HEP No No > >> > > UKI-LT2-IC-LeSC Yes Yes > >> > > UKI-LT2-QMUL No No > >> > > UKI-LT2-RHUL Yes No > >> > > UKI-LT2-UCL-CENTRAL No No > >> > > UKI-LT2-UCL-HEP No No > >> > > > >> > > > >> > > Many thanks for your help, > >> > > Jeremy > >> > > > >> > > >> > -- > >> > Alessandra Forti - NorthGrid Technical Coordinator > >> > http://www.hep.manchester.ac.uk/computing/tier2 > >> > > >> > Well you'll still need a tray > >> > > >> -- > >> Scanned by iCritical for STFC. > > > > > > -- > Dr Graeme Stewart http://www.physics.gla.ac.uk/~graeme/ > Department of Physics and Astronomy, University of Glasgow, Scotland