> Hi, is it safe to run two cyrus processes on the same filesystem/mail > spool to provide scalability and HA?, in example, two servers > accessing one clustered filesystem or NFS directory?. Hi, NFS no, that doesn't seem to work even on NFSv4. At least no one has confirmed it to work IIRC. With a clustered filesystem it should work, but make sure you don't run Berkeley DB backends, run it with skiplist instead. Regards, Simon ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html