On Friday 19 Aug 2011 15:43:23 Tony Schreiner wrote: > 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 > > NFS v4 problems maybe. Try setting a value for Domain in > > /etc/idmapd.conf > > on both systems (the same for both). > That gave me an unbootable system. I've removed it, and am back at square 1. Two things - I should have said that I can access the system from the laptop using ssh + keys. During bootup I saw many messages about nfs4 exports failing, so that's whre the problem is, it seems. Can you please give me a sample line of a known good nfs4 export? Anne