The setting the Domain = line in /etc/idmapd.conf option solved our problem Thanks On 08/29/2016 07:23 PM, Frank Cox wrote: > On Mon, 29 Aug 2016 18:59:31 -0400 > Pat Haley wrote: > >> We noticed that all the files were owned by nobody > Here are my notes for dealing with this issue: > > If all users come up as nobody on a nfs mount: > > Add nfs server name to the Domain = line in /etc/idmapd.conf on both the server and the clients, i.e. Domain = nameof.server > > /sbin/service rpcidmapd restart > /sbin/service nfslock restart > /sbin/service nfs restart > > Also, the complete hostname as specified (nameof.server) must be in /etc/hosts on the nfs clients as well as the server > > --------------- > try > /usr/sbin/nfsidmap -c > on the client. > Since I put this into my /etc/rc.local , I don't have the problem any > longer. > --------------- > 1) /etc/idmapd.conf > # Set domain to the domain name shared by your NFS servers. > Domain: mycompany.com > Set local-realms to the name of the nfs servers you'll be using. THIS > WASN'T MENTIONED ELSEWHERE. > Local-Realms: nfs1.mycompany.com,nfs2.mycompany.com > # make the above changes on all the servers in question. > > 2) /etc/hosts: list with all the NFS servers you specified in local-realms above. This way DNS errors don't make your servers get hung > 1.2.3.4 nfs1.mycompany.com > 1.2.3.5 nfs2.mycompany.com > > 3) Make sure you synchronize your /etc/passwd files so that the account > IDs match up or you'll get very strange results. > > 4) Reboot EVERYTHING. Restarting services was not enough. > For documentation's sake, I restarted rpcidmapd, nfslock, and nfs, but didn't get the correct permissions until reboot. It doesn't seem important to run the nfs service on the > clients. > > 5) Client mount: > # CLI > /bin/mount -t nfs servername:/path/to/share /local/mount/point > > # /etc/fstab > servername.com:/path/to/share /local/mount/mount nfs ro,nolock 0 0 > > # mount -a > > -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Pat Haley Email: phaley at mit.edu Center for Ocean Engineering Phone: (617) 253-6824 Dept. of Mechanical Engineering Fax: (617) 253-8125 MIT, Room 5-213 http://web.mit.edu/phaley/www/ 77 Massachusetts Avenue Cambridge, MA 02139-4301