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As discussed with @simonmichal, we have the case of xrootd servers that run as gateways in front of a Ceph storage (but for the context of this issue, this can be any external non-local storage). The current TPC runs in such a way that the destination pulling the file, for efficiency reasons, uses a stripped-down URL for the destination, which does not include the server (`root://localhost...`) and instead only includes the file path. This makes such a case of xrootd gateways break as the file path cannot be interpreted as a local path. A possible solution is to have the destination server choose (e.g. by a configuration option) whether to use a local path or a full root URL: that would allow forcing the traffic to go through the xrootd local server, which already knows how to forward it to the external storage. -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/729 ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1