Subject Re: [firebird-support] Firebird RAID Windows Server 2008 R2
Author Maarten Klerk
Hi Paul,

Is the possible unreliability on Windows only applicable in
these cases (power loss/abnormal windows shutdown/freeze)?

In that case async mode is acceptable, because we run a UPS.

Best regards,
On Fri, Dec 3, 2010 at 11:25 PM, Paul Vinkenoog <paul@...> wrote:

> Maarten Klerk wrote:
> > We found a possible solution for the problem. We changed Firebird to
> > work in async mode. Now it is very rapid (again). Does anyone know
> > the impact of this change? We have read about this setting to be
> > unreliable on Windows system.
> In the case of a sudden power loss, an abnormal Windows shutdown or a
> freeze-up, you risk database corruption. Mind you, on Linux too you
> should leave forced writes on under most circumstances.
> It would be interesting to know if your SQL Server runs in async mode.
> That would explain the performance difference, but it would also mean
> that SQL Server is run in an insecure manner here.
> Cheers,
> Paul Vinkenoog

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