> Op 31 augustus 2016 om 15:28 schreef Daniel Gryniewicz <[email protected]>: > > > I believe this is a Ganesha bug, as discussed on the Ganesha list. >
Ah, thanks. Do you maybe have a link or subject so I can chime in? Wido > Daniel > > On 08/31/2016 06:55 AM, Wido den Hollander wrote: > > > >> Op 31 augustus 2016 om 12:42 schreef John Spray <[email protected]>: > >> > >> > >> On Wed, Aug 31, 2016 at 11:23 AM, Wido den Hollander <[email protected]> wrote: > >>> Hi, > >>> > >>> I have a CephFS filesystem which is re-exported through NFS Ganesha > >>> (v2.3.0) with Ceph 10.2.2 > >>> > >>> The export works fine, but when calling a chgrp on a file the UID is set > >>> to root. > >>> > >>> Example list of commands: > >>> > >>> $ chown www-data:www-data myfile > >>> > >>> That works, file is now owned by www-data/www-data > >>> > >>> $ chgrp nogroup myfile > >> > >> Does the nogroup group have GID -1 by any chance? There is a bug in > >> the userspace client where it doesn't handle negative gid/uids > >> properly at all, which Greg is working on at the moment > >> (http://tracker.ceph.com/issues/16367) > >> > > > > No, it doesn't. nogroup is just an example here. This happens with any > > group. > > > > The UID is always set back to 0. > > > > Wido > > > >> John > >> > >>> That files, the UID is now set to 0 (root) and the group hasn't changed. > >>> > >>> I tracked this down to being a Ganesha problem in combination with > >>> CephFS. Running these commands on either a kernel mounted CephFS or via > >>> FUSE I don't see this problem. > >>> > >>> The Ganesha configuration: > >>> > >>> NFSv4 > >>> { > >>> IdmapConf = /etc/idmapd.conf; > >>> } > >>> > >>> EXPORT > >>> { > >>> Export_ID = 1; > >>> Path = "/"; > >>> Pseudo = "/"; > >>> Access_Type = RW; > >>> Protocols = "4"; > >>> Squash = no_root_squash; > >>> Transports = TCP; > >>> SecType = sys; > >>> > >>> FSAL { > >>> Name = CEPH; > >>> } > >>> } > >>> > >>> Has anybody seen this before? > >>> > >>> Wido > >>> _______________________________________________ > >>> ceph-users mailing list > >>> [email protected] > >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > _______________________________________________ > > ceph-users mailing list > > [email protected] > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list [email protected] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
