On Aug 19, 2011, at 10:39 AM, Anne Wilson wrote: > I have just upgraded my server from CentOS 5 to CentOS 6 and am having > connectivity problems. My laptop runs Fedora 14, and I have been in > the habit > of mounting data partitions on my server by fstab entries. Since > the update > I've not been able to do that. On watching the messages during a > reboot I saw > a statement that the connection was denied by the server (where are > those > messages stored so that I can quote accurately?). > > I have temporarily disabled both the firewall and selinux, and the > problem > persists, so clearly they are not the cause. Logwatch has the > following > section which may or may not be connected: > > --------------------- Connections (secure-log) Begin > ------------------------ > > > Userhelper executed applications: > anne -> system-config-users as root: 1 Time(s) > > **Unmatched Entries** > polkitd(authority=local): Operator of unix- > session:/org/freedesktop/ConsoleKit/Session2 successfully > authenticated as > unix-user:root to gain TEMPORARY authorization for action > org.fedoraproject.config.firewall.auth for system-bus-name::1.88 > [/usr/bin/python /usr/bin/system-config-firewall] (owned by unix- > user:anne): 1 > Time(s) > polkitd(authority=local): Registered Authentication Agent for > session > /org/freedesktop/ConsoleKit/Session1 (system bus name :1.24 > [/usr/libexec/polkit-gnome-authentication-agent-1], object path > /org/gnome/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8): 1 > Time(s) > polkitd(authority=local): Registered Authentication Agent for > session > /org/freedesktop/ConsoleKit/Session2 (system bus name :1.45 > [/usr/libexec/polkit-gnome-authentication-agent-1], object path > /org/gnome/PolicyKit1/AuthenticationAgent, locale en_GB.utf8): 1 > Time(s) > polkitd(authority=local): Unregistered Authentication Agent for > session > /org/freedesktop/ConsoleKit/Session1 (system bus name :1.24, object > path > /org/gnome/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) > (disconnected > from bus): 1 Time(s) > polkitd(authority=local): Unregistered Authentication Agent for > session > /org/freedesktop/ConsoleKit/Session6 (system bus name :1.214, object > path > /org/gnome/PolicyKit1/AuthenticationAgent, locale en_GB.utf8) > (disconnected > from bus): 1 Time(s) > > ---------------------- Connections (secure-log) End > ------------------------- > > An example fstab line is > > /Data1 /nfs4exports/Data1 none bind 0 0 > > Under CentOS 5 this was mounted by the exports line: > > /nfs4exports/Data1 > 192.168.0.0/24(rw,insecure,no_subtree_check,nohide) > > Following advice, I have changed this to: > > /Data1/ 192.168.0.0/255.255.255.0 *(rw,sync,insecure,no_all_squash) > > That hasn't helped at all. > > I'm completely at a loss, and really need to get this connection > working > again. I've done lots of googling and reading, but just feel to be > digging an > ever-deeper hole. All help appreciated. > > Anne > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos NFS v4 problems maybe. Try setting a value for Domain in /etc/idmapd.conf on both systems (the same for both). Tony