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Hi George, is there a reason why you need the authentication in the top level manager? It should be sufficient to do the authentication on the data server, where you can configure it for the ALICE paths only or run separate server instances for ALICE. Cheers, Max > Am 17.08.2018 um 13:05 schrieb George Patargias - UKRI STFC <[log in to unmask]>: > > Hello, > > > Apologies if this issue has been discussed before. > > > This is in relation to the use of xrootd as part of the CASTOR storage service in RAL Tier-1. We are planning to set up a single CASTOR storage instance for all LHC and no-LHC VOs. > > > Right now, there is a xrootd@manager service running on each CASTOR headnode controlled by /etc/xrootd/xrootd-manager.cfg. However, one VO > > (ALICE in particular) needs certain lines (for authorization) in the xrootd-manager.cfg that other VOs do not need (and don't want). > > > My question. Is it possible to set up two xrootd instances running on each headnode each one with its own xrootd-alice.cfg? I mean one "generic" instance (e.g. xrootd@lhc) for all LHC VOs (including those non-LHC VOs that do not need special authorisation config in xrootd) and one instance (e.g. xrootd@alice) that will by used only by the ALICE VO in which the xrootd-alice.cfg will contain the neccessary ALICE-specific directives. > > > If this is possible what other xrootd config directives (all.export ?) we need so that given a single endpoint (root://castor-stager.gridpp.rl.ac.uk//) the ALICE users will be directed to the xrootd@alice service and all the other users will be directed to the xrootd@lhc service? > > > Many thanks in advance, > > > George > > ######################################################################## > Use REPLY-ALL to reply to list > > To unsubscribe from the XROOTD-L list, click the following link: > https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1 ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1