data-konzept

'If you’re looking at performance and trying to understand I/O on a per database level in SQL Server, sadly there is not a report in Management Studio that you can run from those available.

It will need some T-SQL to pull out this information from an existing DMV – sys.dm_io_virtual_file_stats.

The information returned by the DMV is data which has been recorded since the SQL Server was last restarted and so it is therefore cumulative data.

It helps the DBA to understand where the I/O distribution is across databases at both the data and log file level.'...

http://dbadiaries.com/how-to-find-io-usage-per-database-in-sql-server