Back in IBM i release 7.2 the SYSDISKSTAT SQL View was added. It was introduced to give similar information to what can be see using the Work with Disk Status command, WRKDSKSTS, and allow us to do more with that information. Over the next couple of releases there have been new columns added to it making it ever more useful. I have to admit I have been remiss not writing about it until now.
With this statement I am going to get a snapshot of the which disks are the top five when it comes to the percent of the disk is used: