Hi Catalin,
Thanks for this it is very helpful. I will give it a go later this week
(maybe this afternoon). We do have mysql running but it is heavily used
and so I might start a new instance.
Do you know if this is available under Enterprise 4 (64 bit?) or
shouldn't it matter.
All the best,
david
Condurache, C (Catalin) wrote:
> Hi Dave,
>
> We have one LFC at RAL Tier1 with a MySQL backend (which hosts several
> other databases used by Tier1). We chose the remote backend for backup
> purposes and for a consistent MySQL administration.
>
> The LFC is mainly used by ATLAS at the moment and only a bit by some
> local VOs (minos.vo.gridpp.ac.uk, dteam, camont, totalep, gridpp).
>
> The LFC load seems low
> (http://ganglia-v3.gridpp.rl.ac.uk/ganglia/?r=month&c=Services_Grid&h=lf
> c0448.gridpp.rl.ac.uk)
>
> The MySQL load
> (http://ganglia-v3.gridpp.rl.ac.uk/ganglia/?m=load_one&r=month&s=descend
> ing&c=Services_Database&h=lcgsql0363.gridpp.rl.ac.uk&sh=1&hc=4), but we
> have other databases there as well.
>
> I'd say a single LFC machine + remote MySQL backend would suffice you.
> If you do not have already a MySQL server installed (where to deploy the
> cns_db schema), you may want try to install it on the LFC hardware as
> well.
>
> Lots of information at http://www.gridpp.ac.uk/wiki/LCG_File_Catalog
>
> Cheers,
> Catalin
>
>
>
>> -----Original Message-----
>> From: Testbed Support for GridPP member institutes [mailto:TB-
>> [log in to unmask]] On Behalf Of David Colling
>> Sent: 19 November 2007 18:39
>> To: [log in to unmask]
>> Subject: LFC installation
>>
>> Dear All,
>>
>> We have a need/desire to set up LFCs for both the local London Tier 2
> VO
>> and for Super-Nemo. I have no experience of LFCs and was wondering
>> what advice people with more experience of them would have. For
> example
>> what sort of load do they put on the machine (I imagine that it would
> be
>> smal for these VOs)? Can you configure a single machine to host two of
>> these? etc etc
>>
>> All advice welcome.
>>
>> All the best,
>> david
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