On Mon, 2009-07-13 at 15:47 -0400, Rob Kampen wrote:
Hi All, I have an nfs mount from my CentOS 5.3 client to a CentOS5.3 server. This has been functioning correctly for some years. Beginning last week I had problems saving OpenOffice documents onto the nfs mounted volume. OpenOffice just times out with a file io error. So I tried just a simple shell - cd to the mounted volume did a vi create of text file - no problems. tried a chmod +w on an owned file - returned okay but no change to the permissions when checked with ls -l tried sudo chmod +w on the same file and get [rkampen@robsws p_494]$ sudo chmod +w 5887_cover.pdf Password: chmod: changing permissions of `5887_cover.pdf': Operation not permitted yet using gnome file browser I can change permissions on these nfs mounted files just fine - go figure.
This did work in the past - so what has changed? how do I check what version of nfs is actually working?
[rkampen@robsws p_494]$ mount 192.168.230.230:/NDG on /NDG type nfs (rw,noatime,intr,addr=192.168.230.230)
Any thoughts?
---- man pages are your friends
man exports
Very often, it is not desirable that the root user on a client machine is also treated as root when accessing files on the NFS server. To this end, uid 0 is normally mapped to a different id: the so-called anonymous or nobody uid. This mode of operation (called ‘root squash- ing’) is the default, and can be turned off with no_root_squash.
Craig