On 31 Jan 2008, at 15:52, Jensen, J (Jens) wrote:
> Burke, S (Stephen) wrote:
>> Testbed Support for GridPP member institutes
>>> [mailto:[log in to unmask]] On Behalf Of Jensen, J (Jens)
>>> said:
>>> (a) replicate the data to other sites. lcg-rep and suchlike
>>> should keep track of the replicas in catalogues,
>> Err, it's the catalogue that's going down, not an SE!
>
> Oops, yes. I missed that - duh
>
> Does anyone replicate catalogues?
Not yet, in ATLAS, but we do foresee the need to replicate the cloud
LFCs - it's a single point of failure which can halt all ATLAS
operations in a cloud.
>
> Alternatively you could get the SURLs before the catalogue is made
> unavailable and use SURLs instead of GUIDs or LFNs... I know, not
> ideal.
Ah, a personal backup of the LFC. Let everyone do that and watch the
LFC explode!
g
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