Testing IO for new production

• Emil B

  SSCertifiable

  Points: 5568

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  June 12, 2017 at 11:32 am

  #343237

  What are recommended parameters for using DiskSpd to test the drives? Should i use block size of 8 or 64?

• Chris Harshman

  SSC-Forever

  Points: 42192

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  June 12, 2017 at 1:53 pm

  #1946452

  it looks like the recommended practice is 8K for testing for SQL Server usage:
  https://technet.microsoft.com/en-us/library/dn894707(v=ws.11).aspx
  https://sqlperformance.com/2015/08/io-subsystem/diskspd-test-storage