Hi MengMeng, well, not so straightforward. That's the point of the various xrd-castor integrations to do that transparently. Basically they are two: the plain proof/CAF-like and the more complex one in use (and in current dev/test) by the Alice/castor/IT groups. Pros and cons for both. Fabrizio Mengmeng Chen wrote: > Hi All, > > Could anyone tell me how to transfer files from cern castor directly to > xrootd pool? > > > Cheers, > Mengmeng