>From Doug Hardie <[EMAIL PROTECTED]>, Sun, May 21, 2006 at 11:48:51PM -0700: > Failover sounds good in theory but has significant issues in practice > that make it sometimes worse than the alternative. Take mail > spools. If you failover, mail the user saw before has disappeared. > Then when you "fail back" it reappears and newer messages disappear. > This is hardly unnoticable. My users do not find that at all > acceptable. Putting the mail spools on a different machine just > moves that problem to the different machine. Trying to keep multiple > spools consistent has problems also. I have watched raid system lose
It's a hard problem that's why you buy a box to do it: http://www.emc-rainwall.com Rainfinity (recently bought by EMC) has patents on actual peer-reviewed data-replication algorithms. Paul _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"