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The main goal of this work, in the context of WLCG, is to test a storage setup where the storage areas are geographically distributed and the system provides some pools behaving as data caches. Users can find data needed for their analysis in a local cache and process them locally. We first demonstrate that the distributed setup for a DPM storage is almost transparent to the users, in terms of performance and functionalities. Then, we implement a mechanism to fill the storage cache with datadoi:10.1051/epjconf/201921404056 fatcat:rtzou6oitngo5dleazov4vyldy