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TB-SUPPORT  February 2012

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Subject:

Re: Ticket summary - 20th Feb 12

From:

John Gordon <[log in to unmask]>

Reply-To:

Testbed Support for GridPP member institutes <[log in to unmask]>

Date:

Tue, 21 Feb 2012 12:21:09 +0000

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (68 lines)

No. EGI and WLCG both recognise availability for OPS as a significant metric. We might say amongst ourselves that Manchester is doing its duty by being available for ATLAS but the test failures still cause exposure of Manchester as a failing site to the wider world and a lot of hassle for everyone including ROD, COD, NGI, GridPP, and the T1. 

I think I am coming round to agreeing with Daniela.  The Nike response. Just do it.

John

> -----Original Message-----
> From: Testbed Support for GridPP member institutes [mailto:TB-
> [log in to unmask]] On Behalf Of Elena Korolkova
> Sent: 21 February 2012 12:15
> To: [log in to unmask]
> Subject: Re: Ticket summary - 20th Feb 12
> 
> do we apply similar rule for other sites which are mainly atlas sites?
> I mean if site has nearly 100% availability for atlas and has problem
> with ops test should the site availability be determined by atlas?
> 
> Elena
> On 21 Feb 2012, at 12:05, Sam Skipsey wrote:
> 
> >
> >
> > On 21 February 2012 11:45, Stephen Burke <[log in to unmask]>
> wrote:
> > Testbed Support for GridPP member institutes [mailto:TB-
> > > [log in to unmask]] On Behalf Of John Gordon said:
> > > If this has been a long-standing DPM issue then I will ask to have
> this
> > > test (SRMput ?) removed from the SRMV2 set of tests so that it
> isn't
> > > included in availability.
> >
> > Even if there really was no free space for ops, does that make the SE
> unavailable? Any VO may fill up its space, that doesn't mean the site
> is broken. Probably the intention is that the test is just supposed to
> verify the functionality and no-one has considered the possibility of
> it being full. (CE tests are similar if the queues are full - there I
> think most sites do have an explicit reservation just to let the ops
> tests run.)
> >
> >
> > This is a valid point, and what I was getting at with my nagios test
> comment: the test doesn't test if the storage is available, it tests if
> ops can write to the storage. (Now, obviously, there's a point at which
> you have to consider that a test has to test *something*...). ATLAS,
> meanwhile, can happily write to the storage; and even ops tests are
> happy talking to the storage, and it is responding in a reasonable and
> sane way.
> >
> > I note that Manchester is an almost entirely ATLAS site. It seems
> reasonable that their availability be determined by their being
> available for the entities that they are supposed to be supporting in
> the main, surely?
> >
> > Sam
> >
> > Stephen
> >
> 
> __________________________________________________
> Dr Elena Korolkova
> Email: [log in to unmask]
> Tel.:  +44 (0)114 2223553
> Fax:   +44 (0)114 2223555
> Department of Physics and Astronomy
> University of Sheffield
> Sheffield, S3 7RH, United Kingdom

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