Jeff wrote:
UNless the controller itself has a battery backed cache it is dangerous - there
are many more failures than losing power. Ie, blowing out the power supply or cpu.
We've burnt up a fair share of cpu's over the years. Luckly on a Sun it isn't that
big a deal.. but on x86. wel... yo
Furthermore, if the disk drives are lying to the controller, it's
anybody's guess whether or not data ever actually gets to the disk.
When is it safe to let blocks expire out of the controller cache?
If your computer can't know if the data has been written (because of
drives that lie), I can't im
