On Mon, Mar 8, 2010 at 10:54 PM, Harry Putnam <rea...@newsguy.com> wrote: > summary: > > A zfs fs set with smb and nfs on, and set chmod g-s (set-gid) with > a local users uid:gid is being mounted by a remote linux host (and > windows hosts, but not discussing that here). > > The remote user is the same as the local user in both numeric UID > and numeric GID > > The zfs nfs/cifs share is mounted like this on a linux client: > mount -t nfs -o users,exec,dev,suid > > Any files/directories create by the linux user end up with > nobody:nobody uid:gid and any attempt to change that from the client > host fails, even if done as root.
It looks to me like you are using NFSv4 and the NFS mapping domains do not match. See /etc/default/nfs on OpenSolaris and I don't know what on Linux. > > Details: > > I'm not sure when this trouble started... its been a while, long > enough to have existed over a couple of builds (b129 b133). But was > not always a problem. > > I jumped from 129 to 133 so don't know about builds in between. > > I have a zfs_fs .. /projects on zpool z3 > > this is a hierarchy that is fairly deep but only the top level is zfs. > (Aside: That is something I intend to change soon) > > That is, the whole thing, of course, is zfs, but the lower levels have > been created by whatever remote host was working there. > > z3/projects has these two settings: > z3/projects sharenfs on > z3/projects sharesmb name=projects > > So both cifs and nfs are turned on making the zfs host both a zfs and > nfs server. > > Also when z3/projects was created, it was set: > chmod g-s (set gid) right away. > > The remote linux user in this discussion has the same numeric UID and > GID as the local zfs user who is owner of /projects > > Later, and more than once by now, I've run this command from the zfs > host: > /bin/chmod -R A=everyone@:full_set:fd:allow /projects > > to get read/write to work when working from windows hosts. > > The filesystem is primarily accessed as an nsf mounted filesystem on a > linux (gentoo linux) host. But is also used over cifs by a couple of > windows hosts. > > On the linux client host, `/projects' gets mounted like this: > mount -t nfs -o users,exec,dev,suid > > That has been the case both before having the problem and now. > > The trouble I see is that all files get created with: > nobody:nobody > > as UID:GID, even though /projects is set as normal USER:GROUP of a user > on the zfs/nfs server. > > From the remote (we only deal with the linux remote here) any attempt > to change uid:gid fails, even if done by root on the remote. > > > _______________________________________________ > opensolaris-discuss mailing list > opensolaris-discuss@opensolaris.org > -- Mike Gerdts http://mgerdts.blogspot.com/ _______________________________________________ opensolaris-discuss mailing list opensolaris-discuss@opensolaris.org
