A re-join of an UCS system stalls.
The system has been joined successfully earlier. It is a mail server with Dovecot app installed and the mail folders (
/var/spool/dovecot) are located on a NFS share which is mounted to this mail server.
join.log the last messages seen are these:
13.05.20 12:46:19.934 LISTENER ( WARN ) : finished initializing module nscd_update with rv=0 13.05.20 12:46:19.934 LISTENER ( WARN ) : initializing module dovecot-shared-folder Waiting for data... (interrupt to abort)
/var/log/kernel.log you might see:
May 14 12:24:59 mail kernel: [86061.078114] lockd: server 10.22.44.55 not responding, still trying
- Use TCP instead of UDP to mount the NFS share. It is much more reliable. Edit
/etc/fstabaccordingly and match the configuration to your NFS server. Try to use “
soft” instead of “
- Tell Dovecot about NFS (see Dovecot Wiki) and our documentation:
ucr set mail/dovecot/process/dotlock_use_excl=no
- Run the join again.