Blitz Result: Slow Storage Reads or Writes
https://www.brentozar.com/blitz/slow-storage-reads-writes/ SQL Server feels the need – the need for speed. Storage speed, to be more specific. One of the most common bottlenecks is underperforming storage subsystems. SQL Server tracks read and write speeds for each database file – both data and log files. This part of our SQL Server sp_Blitz script checks sys.dm_io_virtual_file_stats looking for average... » read more