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Martin Radicke<br />
<strong>Storage</strong> Resource Manager (SRM)<br />
an standardized interface to access grid SEs<br />
prepares file transfers<br />
– client ↔ SE (file up and download)<br />
– SE ↔ SE (3 rd party transfer across grid sites)<br />
– negotiates the transfer protocol (mostly GsiFTP)<br />
space management<br />
– dynamic or static space reservation for guaranteed<br />
streaming bandwidth during data taking<br />
– spaces have attributes attached<br />
● Access Latency and Retention Policy steering physical file<br />
location<br />
version 1 and 2.2 supported by <strong>dCache</strong><br />
DESY DVSeminar<br />
16. Juni 2008 Hamburg<br />
11
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