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Hi George, you can place an override file in /etc/systemd/systemd to change all xrootd instances or just a single one. We have an override file [1] for just the alice instance in [log in to unmask] to set the user/group as well as add a dependency on our storage system daemon. Our storage system daemon runs as root, since it presents a full file system. I cannot tell you how CEPH needs to be used, though. Hope that helps! Cheers, Max [1]$ cat [log in to unmask] [Unit] After=gpfs.service Requires=gpfs.service [Service] User = scc-xrootd-0001 Group = scc-xrootd-0001 > Am 25.01.2019 um 16:25 schrieb George Patargias - UKRI STFC <[log in to unmask]>: > > Hi Max, > > > Thanks for this. I was refering basically on the xrootd@proxy service running on a Ceph gateway. > > > Do you mean to change the user/group settings in [log in to unmask] > > from "xrootd" to "alicesgm" ? > > > What about the xrootd@ceph service? > > > George > > > > ________________________________ > From: Fischer, Max (SCC) <[log in to unmask]> > Sent: 25 January 2019 15:02:22 > To: Patargias, George (STFC,RAL,SC) > Cc: [log in to unmask] > Subject: Re: Map users to a single username > > Hi George, > > while it is not exactly what you are asking for: > We simply run all ALICE xrootd services as the respective alicesgm user. That automatically maps all users to this identity for operations on the file system etc. > > Cheers, > Max > >> Am 25.01.2019 um 14:44 schrieb George Patargias - UKRI STFC <[log in to unmask]>: >> >> Hello, >> >> >> Is there any directive in the xrootd config that can map all users to a single username? >> >> >> Basically, I am trying to find the equivalent of the following directive from the CASTOR xrootd-plugin >> >> >> xcastor2.role * alicesgm >> >> >> Many thanks, >> >> >> 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