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I have a question about the HSM backend for xrootd. I haven't been able to figure it out from the code so far. Can I have more than one HSM system backing my xrootd universe. We have two HSM file systems (and may eventually have three), each with disjoint sets of data. We need a way to map them into the xrootd environment. My guess is that the mps_ scripts don't care where you copy from, as long as they can map the canonical path name used in xrootd to an NFS file path on the HSM file system, which should be doable with a big table. -- Gregory J. Sharp email: [log in to unmask] Wilson Synchrotron Laboratory url: http://www.lepp.cornell.edu/~gregor Dryden Rd ph: +1 607 255 4882 Ithaca, NY 14853 fax: +1 607 255 8062