On 19.11.2012, at 16.02, Ken Mandelberg wrote: > We are running Dovecot 2.0.12. It runs on only one server and /var/mail is > local where all the INBOX's are stored. Users other IMAP folders are NFS > mounted on the server. > > We see frequent > > Error: nfs_flush_file_handle_cache_dir: rmdir(/var/mail) failed: Device busy > > I know this error message has been around a long time. Should we still be > seeing it on 2.0.12 with a local /var/mail. Perhaps the message is misleading > and really complaining about folders other than INBOX that are NFS mounted. > > Our config has > > dovecot.conf:mail_nfs_index = no > dovecot.conf:mail_nfs_storage = yes
With just one Dovecot server you don't need mail_nfs_storage=yes setting. Just set it to "no" and the error disappears. > Also, does the flush error messages have any real consequences? My > understanding is that the rmdir is meant to fail, just to force a flush. Yeah, nothing breaks, just extra logging.
