On the compaq smart-array 2 controllers there are what look like "AA"
batteries on the controller card to protect the write cache.
Richard Waymire, MCT, MCSE+Internet, MCSD, MVP (SQLServer)
Senior Principal Instructor/Consultant, ARIS Corp.
President, Pacific NW SQLServer Users Group (http://www.pnwssug.org)
Visit us at http://www.aris.com
>What is the purpose of this? To get extended battery time beyond what the
>UPS provides, or to cover any possible lag time between socket power cutoff
>& UPS power starting, or something else? How would "batteries be mounted
>the disk controller itself"?
>>>Obviously don't run without battery
>>Just to emphasize that this is NOT just plugging the server into a
>>UPS, this means batteries mounted on the disk controller itself to
>>keep the write cache alive.