Testing Max Backup Speed

Kenneth Fisher shows how to use the NUL destination to test max potential backup speed:

Then as far as SQL Server is concerned you took a backup, but the backup file is never actually created.

So why would you ever want to do that? SQL thinks you took a backup, but you have nothing to recover from. Sounds a bit, well, stupid, doesn’t it? Well, there are a few reasons.

Bonus points for Andrew Notarian’s comment.

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