On Thu, 2009-02-19 at 10:19 +0800, Grandy Fu wrote: > dovecot: Feb 19 10:07:02 Error: IMAP(user): > nfs_flush_file_handle_cache_dir: rmdir(/var/mail) failed: Device busy
It needs to flush the /var/mail/'s file handle cache, but it can't. Do you need to use dotlocks? If not, this error goes away by disabling them. http://wiki.dovecot.org/MboxLocking
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