From bnl site (follow the links) these are the raccomandations for hardware
These recommendations are based on Frontier Squid for CMS, but they have
proven adequate thus far in US ATLAS testing.
* 200+ GB disk (for cache and logging)
* 2 GB memory
* Gigabit Ethernet interface
* Dual core CPU
/Squid is single-threaded, but it can consume 100% of a CPU core
under heavy load/
* 64-bit OS
Christopher J. Walker wrote:
> Graeme Stewart wrote:
>> If you are an ATLAS T2 you should have already heard about this, but
>> if you haven't...
>>
>> Peter and I can advise on any technical points in the UK.
>>
>
> Will an old 32 bit machine with 2Gig ram be up to the task?
>
> Chris
>
>
>> CHeers
>>
>> Graeme
>>
>>
>> ---------- Forwarded message ----------
>> From: Dario Barberis <[log in to unmask]>
>> Date: Tue, Oct 6, 2009 at 20:47
>> Subject: Deployment of Frontier/Squid for ATLAS
>> To: ADC Developments <[log in to unmask]>,
>> [log in to unmask], "atlas-database (Atlas - Database
>> Group)" <[log in to unmask]>, "atlas-tier1-coordination
>> (Coordination of ATLAS Tier-1 sites)"
>> <[log in to unmask]>, "atlas-sw-tier2-contacts (ATLAS
>> Tier-2 and Analyse Facility contacts)"
>> <[log in to unmask]>, Flavia Donno
>> <[log in to unmask]>, Maria Girone <[log in to unmask]>
>> Cc: ATLAS CMB <[log in to unmask]>, [log in to unmask]
>>
>>
>> Dear all,
>>
>> ATLAS has decided to move ahead with a rapid deployment of FroNTier
>> servers and Squid web caches to address the shortcomings of direct
>> remote access to Oracle databases holding conditions data that are
>> needed by jobs running worldwide. See note ATL-SOFT-INT-2009-003
>> (http://cdsweb.cern.ch/record/1210179/files/ATL-SOFT-INT-2009-003.pdf)
>> for more details.
>> The report of the "Analysis Model for the First Year" (AMFY) Task
>> Force presented at today's ATLAS plenary meeting supports this rapid
>> deployment; see
>> http://indico.cern.ch/getFile.py/access?contribId=13&sessionId=6&resId=1&materialId=slides&confId=47256
>>
>> for more details.
>>
>> Thanks to the development and deployment work of the BNL and other
>> US-ATLAS sites, and the testing done in the German cloud and at CERN
>> with help also from CMS experts, we now have the tools for a quick
>> general deployment.
>> It is required that every Tier-1 and Tier-2 site install a Squid
>> server asap.
>> A number of Tier-1s have installed, or are going to install, a
>> FroNTier server; we are having, or going to have soon, direct
>> discussions with Tier-1 sites. A FroNTier server is also under test at
>> CERN, but this server will be initially reserved for further load
>> tests.
>> Preliminary instructions can be found in
>> https://twiki.cern.ch/twiki/bin/view/Atlas/T2SquidDeployment and the
>> references therein. While more FroNTier servers are installed, the
>> functionality of Squids can be tested immediately against the BNL
>> and/or FZK servers. The same wiki page is used to keep track of
>> installation and test progress.
>>
>> In order to speed up the deployment of the Frontier/Squid system for
>> ATLAS, we appoint John DeStefano (BNL) and Rod Walker (LMU) as
>> coordinators of this activity. Within this organization, Douglas Smith
>> (SLAC) will be the reference person concerning Squid issues.
>> For general questions and hopefully answers, sites should send
>> messages to the database operations support list at
>> [log in to unmask]
>> Dario Barberis & Kors Bos & Jim Shank
>> ps: apologies for this multiple posting.
>> ______________________________________________________________
>> Dr Dario Barberis
>> CERN-PH Department Tel.: +41.22.767.1302
>> MailBox E25510 Fax.: +41.22.767.8350
>> CH-1211 Genève 23 (Switzerland)
>> ______________________________________________________________
>>
>>
>>
>>
>>
--
Mindmelds. The last time I heard the words "my mind to your mind", I had a headache for two weeks. (Janeway, ST Voyager)
Northgrid Tier2 Technical Coordinator
http://www.hep.manchester.ac.uk/computing/tier2
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