Checking If UseLargeFRS Is Enabled

Cody Konior has a quick post showing how to see if you have the UseLargeFRS switch turned on for your SQL Server disks:

PureStorage has a pretty cool post that mentions the importance of formatting SQL Server disks with a 64KB clusters and the /L flag (also known as the UseLargeFRS switch on PowerShell’s Format-Volume cmdlet).

Why UseLargeFRS? It’s to help avoid DBCC CHECKDB failures on large/busy databases. But how do you work out whether it’s enabled or not? PowerShell to the rescue!

You can’t work this out remotely but you can do it locally.

Read on for the script.

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