![]() Keep an eye on the free space there – you don’t want to create a test file that can run your server out of drive space. Just know that the bigger the test file, the longer it takes to generate. ![]() Smaller test file sizes may look fast but don’t really reflect how a large database will work. If you’re under the gun, do a quick 1GiB test, but for real go-live prep, I like using 32GB to reduce the chances that I’m just hitting cache and getting artificially fast numbers. If you want a fast seat-of-the-pants guess, do 1, but keep in mind it can be wildly variant between passes if something else happens to be going on in the SAN. ![]()
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