Zdenek,

> > You'll have to ask a Windows guru (i.e. not me), to see if
> > there are any settings to change the write profile.
>
> I asked our windows guru and windows API have synchronous write.
> If IB/FB using this function in forced write mode all are relative OK,
> but there are problem with disk and RAID controler cache.
> Some inteligent cache optimalize disk's writes and change
> write order without back information to OS. For safety (and
> lower speed) is good switch off this features if it's possible.

If the controller has a battery-backup for the cache, then you can let
the controller optimize the writes without any problems, since the
controller will ensure that all write will be processed, regardless of
order.


Sean