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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