>DBCOPY are there to protect you against media failures. Raid-1 does the same so
>you need either of them, not both.
>The only reason to keep a Data Base Mirror in this situation is if it's at a
>different location, for disaster recovery purposes.
As the Admin Guide explains, *SM-based mirroring provides the opportunity to
protect against partial writes via Sequential updating, which is good insurance.
See past discussions in the archives.
Richard Sims, BU
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