On 10/20/2015 04:24 PM, Daniel Fussell wrote: > In the past, it was best to have a UPS. That was long ago, and was > largely because (PATA/SATA) drives would lie about completing writes. > In which case, you disabled the write cache. Which was also something > that should have been done if you were using any kind of software raid. > > Now that we have write barriers, it's a non-issue. Also having a > battery-backed or flash-backed write cache on your raid controller was a > non-issue (assuming your raid controller is smart enough to turn off > each drive's write cache).
What about a home server situation with just a couple of bare drives in a computer? Is there still a potential problem for data loss here? UPS are quite cheap these days, so it's cheap insurance I guess. /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
