Helen Borrie wrote: >> I had thought that caching of write data in windows had been sorted, but I'm >> not >> >entirely surprised if just some block of data has been lost. > I believe the OP mentioned that they were using Fb 2.1.3. That's almost > three years old now and two sub-releases out of date. I suspect the moves to > improve the caching behaviour on Windows came more recently. Actually I was referring to Windows itself rather than Firebird, but the improvements in FB were done because of this sort of problem.
>> >If it was one of my sites I'd drop a new machine in just to prove a point >> >... > The system log reports of disk corruption are suspicious...but they don't > account for lost generator values. If the generator page was actually written > to a corrupt block, I'd expect the page to be kaput and to see other evidence > of corruption. It seems more likely the page write was lost when they had > that power failure. > I wonder whether anyone has checked to see whether Forced Writes is off. If > so, the chances of pending writes disappearing on a power outage would be > high. Again Windows seems to be a little too cleaver at times. While it may have reported a failed write, it still works as if the cached data has been written? Even with Forced Writes on :( -- Lester Caine - G8HFL ----------------------------- Contact - http://lsces.co.uk/wiki/?page=contact L.S.Caine Electronic Services - http://lsces.co.uk EnquirySolve - http://enquirysolve.com/ Model Engineers Digital Workshop - http://medw.co.uk Rainbow Digital Media - http://rainbowdigitalmedia.co.uk
