Maybe our Frontier is out of date or something but its startup script wipes
the caches every time it is run. How does that fit in with a CVMFS cache?
Are you wiping your CVMFS cache every time squid is restarted?
John
On 01/02/2012 14:34, Mark Slater wrote:
> Hiya,
>
> I did exactly as Sam says for Bham when setting up CVMFS: Just about to put
> in a new SQUID server for it then realised I could probably get away with
> just using the Frontier one :) Not had any problems so far (with that at
> least...)!
>
> Thanks,
>
> Mark
>
>
> On 31/01/2012 20:36, Sam Skipsey wrote:
>> Certainly, we run a combined CVMFS/ATLAS Frontier squid at Glasgow, with
>> no problems at all.
>>
>> I think that most sites with a Frontier squid added CVMFS to that rather
>> than commissioning a new one, so I suspect we're not unusual in this.
>>
>> Sam
>>
>> On 31 January 2012 19:19, Alastair Dewhurst <[log in to unmask]
>> <mailto:[log in to unmask]>> wrote:
>>
>> Hello
>>
>> I think that most sites have squids of some type (be it for cvmfs or
>> Frontier for ATLAS, CMS, or LHCb). Many sites (not just in the UK)
>> have wondered if it is possible to combine these squids and from a
>> load point of view this should be fine. However having not done this
>> myself (as the Tier 1 keeps all it's services separate for the moment)
>> I don't feel like I am in a good position to advise other sites what
>> to do.
>>
>> Therefore if anyone has tried sharing ATLAS and CMS Frontier squids,
>> sharing Frontier and CVMFS squids or doing anything cunning with
>> failover should their primary squid go wrong I would be interested to
>> hear. I will be putting the useful information I compile on to a WLCG
>> twiki page. Even if you tried things and it didn't work it may still
>> be a useful starting point. ATLAS have asked me to test this so I am
>> trying to learn from other peoples mistakes first!
>>
>> Thanks
>>
>> Alastair
>>
>>
>
--
John Bland [log in to unmask]
System Administrator office: 220
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Oliver Lodge Laboratory tel (ext): +44 (0)151 794 2911
University of Liverpool http://www.liv.ac.uk/physics/hep/
"I canna change the laws of physics, Captain!"
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