On Tue, Jan 26, 2010 at 04:04:13PM -0500, nixlists wrote: > On Tue, Jan 26, 2010 at 8:27 AM, Kenneth R Westerback > <kwesterb...@rogers.com> wrote: > > Exchange, Groupwise, Lotus, various Unix setups. You name it. > >> Day to day, no errors, no hardware going flakey, then anything will > > work. In 'most' cases you will be suffering huge performance loses for > > negligable increases in safety by disabling your cache. > > What you call negligible is the fact that email being written into the > queue from a remote machine will be lost from either disk or > controller write-back cache during a crash. I don't know if that's > important or not in your case. Maybe the email(s) that will be lost > will not be important. How can we tell? How can we back up email while > it's being sent from remote machines? > > Email queues are not bandwidth-bound, unless most of the messages are > big files (which is rarely a case for email), they're seek-bound. > > > If you are trying to create a system where hardware (or software) > > can never lose any of your data, you are Don Quixote and they are > > windmills. Follow normal practise, backup religiously and you will > > probably retire before the planets align and your data disappears. > > In most cases. That's my plan. > > > > .... Ken
Talking to a brick wall is amusing only so long. .... Ken