I’m looking for a solution to report and chart the amount of disk space in use on a user defined set of Windows hosts. Right now I’m able to get both free space and % free space (through the metrics "LogicalDisk.Free_Megabytes" and "LogicalDisk.%_Free_Space") but the disk used is not reported. Is there a way to retrieve / derive the information based on calculations like 1) GB_free = (MB free value/1024 2) GB_total = ((GB_free*100)/(percentage free value)) and then 3) GB_used = GB_total-GB_free. Since the disk sizes vary between hosts, I figure using these performance values direct saves me from keeping a separate dataset of drive sizes, and the related need to keep that updated. Ultimately the reporting could be a report by time and by host, or a timechart showing disk usage for multiple hosts.
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