Test disk IO

https://www.brentozar.com/archive/2008/09/finding-your-san-bottlenecks-with-sqlio/ https://sqlperformance.com/2015/08/io-subsystem/diskspd-test-storage https://support.microsoft.com/en-us/help/231619/how-to-use-the-sqliosim-utility-to-simulate-sql-server-activity-on-a-d