nate wrote >> the whole point of a BBU is that you can turn on write back caching - >> and get a fair win in write performance on regular tasks. > > You can turn on write back caching if you have a UPS as well > (provided your UPS is wired into your system for a graceful shutdown) UPS isnt going to help in cases where something breaks on the inner side ( psu fail, mobo fail, ram blows up etc ). But, I am with Ross on this one - if its just a desktop machine, it might be well worth doing a bit of RTFM, and setting up a md-raid/lvm volume and be done with it. -- Karanbir Singh : http://www.karan.org/ : 2522219 at icq