Here is another one focusing on SQL scripts that may help on everyday DBA tasks, following the series “SQL Swiss Army Knife”.
This script will return, very promptly, the overall I/O statistics for all databases in your server, ordered by stalled I/O, and is based on the sys.dm_io_virtual_file_stats DMV. This DMV returns I/O statistics for data and log files and replaces the old fn_virtualfilestats function. Be aware that this requires the VIEW_SERVER_STATE permission. There’s all sort of uses for this information, like helping with drafting a server consolidation strategy, or pointing to eventual need to check perf counters if I/O is waiting more than expected.
Its output will resemble this:
Until next time!
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