On Thu, Jan 28, 2010 at 06:13:33PM +0100, Stefan Foerster wrote: > If in a mail cluster, with multiple machines having access to a shared > storage device (SAN, iSCSI) which is presented to the host as a normal > block device (e.g. /dev/sda, hosting a normal ext3 filesystem), one of > the mail nodes fails, what are the necessary Postfix steps to take > over the queue on another host? > > I _think_ it is sufficient to provide the same configuration files as > on the node which failed,
If path names for the queue, data and configuration directory are different, you may need to adjust these in the config files. > execute "postsuper -s" until the queue file > names stop changing (which shouldn't happen at all, because it is the > same physical filesystem) Only needed when restoring from backups, copying queue files, ... Not needed when mounting a filesystem. > What would happen to mails which weren't completely received when the > original node crashed? Can I prevent qmgr from trying to deliver > those? Nothing needs to be done. > Do I have to? No. -- Viktor. P.S. Morgan Stanley is looking for a New York City based, Senior Unix system/email administrator to architect and sustain our perimeter email environment. If you are interested, please drop me a note.