Toby Bluhm wrote: > Therese Trudeau wrote: >>>> 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) >>>> >>> Hopefully you have a redundant PS unit. Having a UPS is not going to >>> help if your PS fails. >>> >> >> That's a very good point never thought of that. Acrtually this RAID >> 1 setup I'm planning >> is for my desktop machine, problem is is's not built like a server so >> there is not the traditional slid in bay for a second PS as do many 1 >> and 2u rack servers have. Unless there is some >> specialty product available that somehow fits in to a tower case. >> Could you reccomend a redundant PS for a desktop machine (if they >> exist)? >> >> > > The whole system needs to be designed for dual supplies. You can't > just plop down two power supplies in parallel without some circuitry > that attempts to monitor & balance them out. > > > I'm curious - why does your desktop needs so much redundancy ? > > Just for fun, the first hit on a google for "redundant atx power supply" http://www.directron.com/tc400r8.html Seems you can just plop one into your std atx chassis . . . -- Toby Bluhm Alltech Medical Systems America, Inc. 30825 Aurora Road Suite 100 Solon Ohio 44139 440-424-2240