[glue-wg] RetentionPolicy definitions

Sergio Andreozzi sergio.andreozzi at cnaf.infn.it
Mon Apr 14 12:18:44 CDT 2008


HI Maarten,

thanks. Can you send also the same info for:

ExpirationMode and its values
AccessLatency and its values

Thanks, Sergio

Maarten Litmaath wrote:
> Hi all,
> the SRM v2.2 docs are here:
>
>      http://sdm.lbl.gov/srm-wg/
>
> Quoting from that, with adjustments:
>
> ---------------------------------------------------------------
> The Retention Policy represents the quality of retention, which
> indicates the probability of the storage system losing a file.
>
> Replica quality has the highest probability of loss, but is
> appropriate for data for which a certain amount of loss can be
> tolerated, in particular when other copies can be accessed in
> a timely fashion.
>
> Output quality is an intermediate level and is appropriate for
> data which can be replaced by lengthy or effort-full processes.
>
> Custodial quality corresponds to low probability of loss.
> ---------------------------------------------------------------
>
> Thanks,
> 	Maarten
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>   


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Sergio Andreozzi
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