Can anybody give me some info on the DBPageShadow server option?

I've read the documentation and understand what it does but not what I
gain/lose from it. I notice that it requires MIRRORWRITE DB to be parallel.
The consensus on this list server some time ago seemed to be that this
wasn't a good idea in the event of a server crash.

Is database page shadowing a protection against the risks inherent in
running with MIRRORWRITE DB set to parallel, or does it serve some other
purpose?

The docs state that the default is for it to be enabled, but since the
MIRRORWRITE DB option is sequential by default, I would imagine that it is
not active for most of us. Is there anybody out there using it who could
comment?

Thanks
Neil Schofield



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