Who else thinks this will be a complete waste of time? ---------- Forwarded message ---------- From: Graeme Stewart <[log in to unmask]> Date: Mon, Oct 20, 2008 at 2:34 PM Subject: Re: Enabling the gridpp VO (and providing a 72hr queue) To: [log in to unmask] Well, obviously I now have an inkling that I will need to intercept a running job; but, as I said, Glasgow are going to move to a 48 hour maximum wallclock for our new kit and we're not going to change this. Cheers Graeme On Mon, Oct 20, 2008 at 3:20 PM, Ma, M (Mingchao) <[log in to unmask]> wrote: > 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 > -- Dr Graeme Stewart http://www.physics.gla.ac.uk/~graeme/ Department of Physics and Astronomy, University of Glasgow, Scotland