Cary, Thanks for that, I'll post to the list as soon as I'm done, but after a couple of unforeseeen problems at work taking all my time it'll be next year rather than before Christmas. Cheers, Chris Quoting Cary Millsap <cary.millsap@xxxxxxxxxx>: > Chris, > > I agree that the MTTF numbers these days are a lot different than when = > the > article was originally published. But I think that the structure of the > calculations has remained pretty constant. > > I think you're right about how to model RAID level 0+1 (1+0)-it's just a > degenerate case of RAID level 5, where G=3D2. > > I hate to become the bottleneck on getting your work in front of = > everyone. > There are lots of people on this list who can do the job as well or = > better > than I can. :) I'll look at it too (time permitting at the time when you > send it), but I'd recommend for you to show it on the list as soon as = > you're > done. > > > Cary Millsap > Hotsos Enterprises, Ltd. > http://www.hotsos.com > * Nullius in verba * > > -- //www.freelists.org/webpage/oracle-l